/* ============================================================
   SOFTEKUS — Main Stylesheet
   ============================================================
   Table of Contents:
   1. CSS Custom Properties (Design Tokens)
   2. Reset & Base
   3. Typography
   4. Utility Classes
   5. Layout
   6. Buttons
   7. Preloader
   8. Cursor
   9. Header & Navigation
   10. Hero Section
   11. About Section
   12. Services Section
   13. Process Section
   14. Projects / Case Studies
   15. Technologies Section
   16. Testimonials Section
   17. Team Section
   18. Contact Section
   19. Footer
   20. Back to Top
   21. Scrollbar
   22. Selection
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* ---- Primary Colors ---- */
    --color-primary: #0055FF;
    --color-primary-light: #3377FF;
    --color-primary-dark: #0044CC;
    --color-primary-rgb: 0, 85, 255;

    /* ---- Accent Colors ---- */
    --color-accent: #00D4AA;
    --color-accent-light: #33DDBB;
    --color-accent-dark: #00B892;
    --color-accent-rgb: 0, 212, 170;

    /* ---- Secondary Accent ---- */
    --color-secondary: #00A5E0;
    --color-secondary-rgb: 0, 165, 224;

    /* ---- Neutral Colors (Light Theme) ---- */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F9FC;
    --color-bg-dark: #0A0F1C;
    --color-bg-dark-alt: #111827;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F3F4F8;
    --color-border: #E2E5EB;
    --color-border-light: #F0F1F5;

    /* ---- Text Colors ---- */
    --color-text: #1A1D26;
    --color-text-secondary: #5A6077;
    --color-text-tertiary: #8B90A0;
    --color-text-inverse: #FFFFFF;
    --color-text-on-dark: #E0E4EC;
    --color-text-secondary-on-dark: #8B90A0;

    /* ---- Gradients ---- */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    --gradient-primary-hover: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-dark: linear-gradient(180deg, #0A0F1C 0%, #111827 100%);
    --gradient-dark-alt: linear-gradient(180deg, #111827 0%, #0A0F1C 100%);

    /* ---- Shadows ---- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.16);
    --shadow-primary: 0 8px 32px rgba(var(--color-primary-rgb), 0.25);
    --shadow-accent: 0 8px 32px rgba(var(--color-accent-rgb), 0.25);

    /* ---- Typography ---- */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    --text-6xl: 3.75rem;    /* 60px */
    --text-7xl: 4.5rem;     /* 72px */

    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;

    /* ---- Spacing ---- */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* ---- Borders ---- */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* ---- Transitions ---- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;

    /* ---- Z-index ---- */
    --z-below: -1;
    --z-base: 0;
    --z-above: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-preloader: 500;
    --z-cursor: 600;

    /* ---- Container ---- */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* ---- Header ---- */
    --header-height: 80px;
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
    --color-bg: #0A0F1C;
    --color-bg-alt: #111827;
    --color-surface: #1A2035;
    --color-surface-hover: #222B45;
    --color-border: #2A3350;
    --color-border-light: #1E2640;
    --color-text: #E8ECF4;
    --color-text-secondary: #9CA3B8;
    --color-text-tertiary: #6B7290;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.45);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--duration-slow) var(--ease-out),
                color var(--duration-slow) var(--ease-out);
}

body.loading {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration-fast) var(--ease-out);
}

ul, ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--color-text);
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   4. UTILITY CLASSES
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.section--dark {
    background: var(--gradient-dark);
    color: var(--color-text-on-dark);
}

.section--dark .section__title,
.section--dark h3,
.section--dark h4 {
    color: var(--color-text-inverse);
}

.section--dark .section__subtitle,
.section--dark p {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .section:not(.section--dark) {
    background-color: var(--color-bg);
}

[data-theme="dark"] .section--dark {
    background: var(--gradient-dark-alt);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section__tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    position: relative;
    padding: var(--space-2) var(--space-4);
    background: rgba(var(--color-primary-rgb), 0.08);
    border-radius: var(--radius-full);
}

.section__title {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 800;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-relaxed);
}

.section--dark .section__subtitle {
    color: var(--color-text-secondary-on-dark);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn--md {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    border-color: transparent;
    box-shadow: var(--shadow-primary);
}

.btn--primary:hover {
    background: var(--gradient-primary-hover);
    box-shadow: 0 12px 40px rgba(var(--color-primary-rgb), 0.35);
    transform: translateY(-2px);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.04);
    transform: translateY(-2px);
}

.section--dark .btn--outline,
.hero .btn--outline {
    color: var(--color-text-inverse);
    border-color: rgba(255, 255, 255, 0.2);
}

.section--dark .btn--outline:hover,
.hero .btn--outline:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.05);
}

/* ============================================================
   6. PRELOADER
   ============================================================ */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    text-align: center;
}

.preloader-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-6);
}

.preloader-svg {
    width: 100%;
    height: 100%;
    animation: preloaderSpin 2s linear infinite;
}

@keyframes preloaderSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.preloader-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: preloaderDash 2s var(--ease-in-out) infinite;
}

@keyframes preloaderDash {
    0% { stroke-dashoffset: 200; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -200; }
}

.preloader-text {
    font-size: var(--text-lg);
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-8);
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.preloader-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: preloaderFill 1.8s var(--ease-out) forwards;
}

@keyframes preloaderFill {
    to { width: 100%; }
}

/* ============================================================
   7. CURSOR FOLLOWER
   ============================================================ */
.cursor-follower {
    display: none;
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
}

@media (hover: hover) and (pointer: fine) {
    .cursor-follower {
        display: block;
    }
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
    transition: transform 0.1s ease;
    transform: translate(-50%, -50%);
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(var(--color-primary-rgb), 0.3);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-out),
                height 0.3s var(--ease-out),
                border-color 0.3s var(--ease-out);
}

.cursor-ring.hover {
    width: 56px;
    height: 56px;
    border-color: rgba(var(--color-primary-rgb), 0.6);
}

/* ============================================================
   8. HEADER & NAVIGATION
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: var(--z-sticky);
    transition: all var(--duration-normal) var(--ease-out);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(10, 15, 28, 0.85);
    border-bottom-color: var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    z-index: calc(var(--z-sticky) + 1);
}

.nav__logo-img {
    height: 40px;
    width: auto;
}

.nav__logo-text {
    font-size: var(--text-lg);
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.header:not(.scrolled) .nav__logo-text {
    color: var(--color-text-inverse);
}

[data-theme="dark"] .nav__logo-text {
    color: var(--color-text-inverse);
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav__link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
}

.header:not(.scrolled) .nav__link {
    color: rgba(255, 255, 255, 0.7);
}

.header:not(.scrolled) .nav__link:hover,
.header:not(.scrolled) .nav__link.active {
    color: var(--color-text-inverse);
}

.nav__link:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.06);
}

.nav__link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: transform var(--duration-normal) var(--ease-out);
}

.nav__link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    z-index: calc(var(--z-sticky) + 1);
}

.nav__theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-out);
    color: var(--color-text-secondary);
}

.header:not(.scrolled) .nav__theme-toggle {
    color: rgba(255, 255, 255, 0.7);
}

.nav__theme-toggle:hover {
    background: rgba(var(--color-primary-rgb), 0.06);
    color: var(--color-primary);
}

.header:not(.scrolled) .nav__cta {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    color: var(--color-text-inverse);
}

.header:not(.scrolled) .nav__cta:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 20px;
    justify-content: center;
    padding: 0;
}

.nav__toggle-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

.header:not(.scrolled) .nav__toggle-line {
    background: var(--color-text-inverse);
}

.nav__toggle.active .nav__toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__toggle.active .nav__toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   9. HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-dark);
    padding-top: var(--header-height);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero__gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero__gradient-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.4) 0%, transparent 70%);
    top: -15%;
    right: -10%;
    animation-delay: 0s;
}

.hero__gradient-orb--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.3) 0%, transparent 70%);
    bottom: -10%;
    left: -5%;
    animation-delay: -7s;
}

.hero__gradient-orb--3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--color-secondary-rgb), 0.25) 0%, transparent 70%);
    top: 40%;
    left: 40%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.03); }
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-16) 0;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-5);
    margin-bottom: var(--space-8);
    backdrop-filter: blur(10px);
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(var(--color-accent-rgb), 0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(var(--color-accent-rgb), 0); }
}

.hero__badge-text {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.hero__title {
    font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
    font-weight: 900;
    color: var(--color-text-inverse);
    line-height: 1.1;
    margin-bottom: var(--space-8);
    letter-spacing: -0.03em;
}

.hero__title-line {
    display: block;
}

.hero__title-line--gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    padding: var(--space-1) 0;
    min-height: 1.2em;
}

.text-rotate {
    display: inline-block;
    position: relative;
}

.hero__description {
    font-size: clamp(var(--text-base), 1.5vw, var(--text-xl));
    color: rgba(255, 255, 255, 0.6);
    max-width: 680px;
    margin: 0 auto var(--space-10);
    line-height: var(--leading-relaxed);
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-text-inverse);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.hero__stat-number::after {
    content: '+';
    font-size: 0.6em;
    color: var(--color-accent);
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.hero__scroll-text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

.hero__scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
    display: flex;
    justify-content: center;
}

.hero__scroll-dot {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    margin-top: 8px;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ============================================================
   10. ABOUT SECTION
   ============================================================ */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about__story {
    margin-bottom: var(--space-10);
}

.about__story-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.about__story-text {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.about__story-text em {
    font-style: italic;
    color: var(--color-primary);
    font-weight: 600;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.about__value {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    padding: var(--space-5);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--duration-normal) var(--ease-out);
}

[data-theme="dark"] .about__value {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.about__value:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: rgba(var(--color-primary-rgb), 0.2);
}

.about__value-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.08);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.about__value-content h4 {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.about__value-content p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
}

/* About visual / image area */
.about__visual {
    position: relative;
}

.about__image-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-4);
    height: 480px;
}

.about__image-cell {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about__image-cell--large {
    grid-row: 1 / 3;
}

.about__image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0A0F1C 0%, #1A2035 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
    font-weight: 500;
}

.about__image-placeholder--accent {
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.9) 0%, rgba(var(--color-secondary-rgb), 0.9) 100%);
    color: rgba(255, 255, 255, 0.9);
}

.about__image-placeholder--dark {
    background: linear-gradient(135deg, #111827 0%, #1E293B 100%);
}

.about__image-icon {
    opacity: 0.7;
}

/* Floating cards */
.about__floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--color-surface);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
    animation: floatCard 6s ease-in-out infinite;
    z-index: 2;
}

.about__floating-card--1 {
    bottom: -20px;
    left: -30px;
    animation-delay: 0s;
}

.about__floating-card--2 {
    top: -20px;
    right: -30px;
    animation-delay: -3s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.about__floating-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-accent-rgb), 0.1);
    border-radius: var(--radius-sm);
}

.about__floating-card--2 .about__floating-icon {
    background: rgba(var(--color-primary-rgb), 0.1);
}

.about__floating-title {
    display: block;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text);
}

.about__floating-sub {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

/* ============================================================
   11. SERVICES SECTION
   ============================================================ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.service-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary-light);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.service-card__number {
    font-size: var(--text-6xl);
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: var(--space-4);
    right: var(--space-6);
    line-height: 1;
    pointer-events: none;
}

.service-card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.service-card__description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
    position: relative;
    z-index: 1;
}

.service-card__features {
    list-style: none;
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.service-card__features li {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-1) 0;
    padding-left: var(--space-5);
    position: relative;
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    position: relative;
    z-index: 1;
    transition: gap var(--duration-normal) var(--ease-out);
}

.service-card__link:hover {
    gap: var(--space-3);
}

/* ============================================================
   12. PROCESS SECTION
   ============================================================ */
.process__timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process__line {
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-light);
}

[data-theme="dark"] .process__line {
    background: var(--color-border);
}

.process__line-fill {
    width: 100%;
    height: 0%;
    background: var(--gradient-primary);
    transition: height 0.1s linear;
}

.process__step {
    display: flex;
    gap: var(--space-8);
    padding-bottom: var(--space-12);
    position: relative;
}

.process__step:last-child {
    padding-bottom: 0;
}

.process__step-marker {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    transition: all var(--duration-normal) var(--ease-out);
}

[data-theme="dark"] .process__step-marker {
    background: var(--color-bg);
    border-color: var(--color-border);
}

.process__step.in-view .process__step-marker {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
}

.process__step-number {
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--color-text-tertiary);
    transition: color var(--duration-normal) var(--ease-out);
}

.process__step.in-view .process__step-number {
    color: var(--color-primary);
}

.process__step-content {
    flex: 1;
    padding-top: var(--space-3);
}

.process__step-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.process__step-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.process__step-duration {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.06);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

/* ============================================================
   13. PROJECTS / CASE STUDIES
   ============================================================ */
.project {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    margin-bottom: var(--space-10);
    transition: border-color var(--duration-normal) var(--ease-out);
}

.project:last-child {
    margin-bottom: 0;
}

.project:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.project__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.project__meta {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.project__tag {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.project__tag--health {
    background: rgba(34, 197, 94, 0.1);
    color: #22C55E;
    border-color: rgba(34, 197, 94, 0.2);
}

.project__tag--logistics {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
    border-color: rgba(245, 158, 11, 0.2);
}

.project__tag--fintech {
    background: rgba(99, 102, 241, 0.1);
    color: #818CF8;
    border-color: rgba(99, 102, 241, 0.2);
}

.project__year {
    font-size: var(--text-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.3);
    font-family: var(--font-mono);
}

.project__content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-10);
    align-items: start;
}

.project__content--reverse {
    grid-template-columns: 1fr 1.2fr;
}

.project__content--reverse .project__info {
    order: 2;
}

.project__content--reverse .project__visual {
    order: 1;
}

.project__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
}

.project__client {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

.project__client strong {
    color: rgba(255, 255, 255, 0.7);
}

.project__challenge,
.project__solution {
    margin-bottom: var(--space-6);
}

.project__challenge h4,
.project__solution h4,
.project__tech h4,
.project__results h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-3);
}

.project__challenge p,
.project__solution p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.55);
    line-height: var(--leading-relaxed);
}

.project__tech {
    margin-bottom: var(--space-6);
}

.project__tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.project__tech-tags span {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary-light);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
}

.project__results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.project__result {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
}

.project__result-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: var(--space-1);
    font-family: var(--font-mono);
}

.project__result-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.4);
    line-height: var(--leading-normal);
}

/* Project Mockups */
.project__mockup {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.project__mockup-browser {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.project__mockup-dots {
    display: flex;
    gap: 6px;
}

.project__mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.project__mockup-dots span:nth-child(1) { background: #FF5F57; }
.project__mockup-dots span:nth-child(2) { background: #FEBC2E; }
.project__mockup-dots span:nth-child(3) { background: #28C840; }

.project__mockup-url {
    flex: 1;
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    text-align: center;
}

.project__mockup-screen {
    min-height: 350px;
    padding: var(--space-5);
}

.project__mockup-screen--health {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

.project__mockup-screen--logistics {
    background: linear-gradient(135deg, #0C1220 0%, #162032 100%);
}

.project__mockup-screen--fintech {
    background: linear-gradient(135deg, #0E0F1A 0%, #1A1B2E 100%);
}

/* Mockup internals - Dashboard */
.mockup-dashboard {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: var(--space-3);
    height: 100%;
}

.mockup-sidebar {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: var(--space-3) var(--space-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.mockup-sidebar__logo {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}

.mockup-sidebar__item {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
}

.mockup-sidebar__item.active {
    background: rgba(var(--color-primary-rgb), 0.2);
    border: 1px solid rgba(var(--color-primary-rgb), 0.3);
}

.mockup-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mockup-header__title {
    width: 120px;
    height: 14px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

.mockup-header__actions {
    display: flex;
    gap: var(--space-2);
}

.mockup-btn {
    width: 60px;
    height: 24px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
}

.mockup-btn--primary {
    background: rgba(var(--color-primary-rgb), 0.3);
}

.mockup-btn--sm {
    width: 48px;
    height: 20px;
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
}

.mockup-stat-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
}

.mockup-stat-card__value {
    height: 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    margin-bottom: var(--space-1);
}

.mockup-stat-card__label {
    width: 70%;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    margin-bottom: var(--space-2);
}

.mockup-stat-card__chart {
    height: 20px;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.mockup-stat-card__chart--up {
    background: linear-gradient(90deg, rgba(0, 212, 170, 0.1), rgba(0, 212, 170, 0.2));
}

.mockup-stat-card__chart--down {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.2));
}

.mockup-table {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
}

.mockup-table__header {
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    margin-bottom: var(--space-2);
}

.mockup-table__row {
    height: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 3px;
    margin-bottom: var(--space-1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* Mockup - Map */
.mockup-map {
    position: relative;
    height: 100%;
    min-height: 300px;
    background: #0C1A2E;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.mockup-map__grid {
    position: absolute;
    inset: 0;
}

.mockup-map__line {
    position: absolute;
    background: rgba(255, 255, 255, 0.03);
}

.mockup-map__line--h {
    width: 100%;
    height: 1px;
}

.mockup-map__line--v {
    height: 100%;
    width: 1px;
}

.mockup-map__pin {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    z-index: 2;
}

.mockup-map__pin--origin {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.3);
}

.mockup-map__pin--dest {
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(var(--color-accent-rgb), 0.3);
}

.mockup-map__pin--truck {
    background: #F59E0B;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3);
    animation: truckPulse 2s ease-in-out infinite;
}

@keyframes truckPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0.1); }
}

.mockup-map__route {
    position: absolute;
    top: 35%;
    left: 25%;
    width: 55%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0.4;
    border-radius: 1px;
    transform: rotate(-5deg);
}

.mockup-map__panel {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-3);
    width: 140px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    backdrop-filter: blur(10px);
}

.mockup-map__panel-title {
    width: 70%;
    height: 10px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    margin-bottom: var(--space-2);
}

.mockup-map__panel-row {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    margin-bottom: var(--space-1);
}

.mockup-map__panel-bar {
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
    margin-top: var(--space-2);
    opacity: 0.5;
}

/* Mockup - Fintech */
.mockup-fintech {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    height: 100%;
}

.mockup-fintech__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.mockup-fintech__balance-label {
    width: 80px;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    margin-bottom: var(--space-2);
}

.mockup-fintech__balance-value {
    width: 140px;
    height: 22px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.mockup-fintech__actions {
    display: flex;
    gap: var(--space-2);
}

.mockup-fintech__chart {
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.mockup-fintech__chart-svg {
    width: 100%;
    height: auto;
}

.mockup-fintech__transactions {
    flex: 1;
}

.mockup-fintech__tx-header {
    width: 100px;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-bottom: var(--space-3);
}

.mockup-fintech__tx-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.mockup-fintech__tx-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mockup-fintech__tx-icon--success { background: rgba(0, 212, 170, 0.15); }
.mockup-fintech__tx-icon--pending { background: rgba(245, 158, 11, 0.15); }

.mockup-fintech__tx-info {
    flex: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
}

.mockup-fintech__tx-amount {
    width: 50px;
    height: 12px;
    border-radius: 3px;
}

.mockup-fintech__tx-amount--pos { background: rgba(0, 212, 170, 0.2); }
.mockup-fintech__tx-amount--neg { background: rgba(239, 68, 68, 0.2); }

/* ============================================================
   14. TECHNOLOGIES
   ============================================================ */
.tech__categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.tech__category {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--duration-normal) var(--ease-out);
}

[data-theme="dark"] .tech__category {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.tech__category:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.tech__category-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: var(--color-text);
}

.tech__category-title svg {
    color: var(--color-primary);
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.tech__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
    cursor: default;
}

.tech__item:hover {
    background: rgba(var(--color-primary-rgb), 0.04);
    transform: translateY(-2px);
}

.tech__item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
    font-weight: 800;
    font-family: var(--font-mono);
}

.tech__item-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* ============================================================
   15. TESTIMONIALS
   ============================================================ */
.testimonials__carousel {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonials__track {
    display: flex;
    transition: transform var(--duration-slow) var(--ease-out);
}

.testimonial-card {
    min-width: 100%;
    padding: var(--space-10);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-2xl);
}

.testimonial-card__stars {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-6);
}

.testimonial-card__quote {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.75);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
    font-style: normal;
}

.testimonial-card__quote em {
    color: var(--color-accent);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.testimonial-card__avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: var(--text-sm);
}

.testimonial-card__name {
    display: block;
    font-weight: 700;
    color: var(--color-text-inverse);
    font-size: var(--text-base);
}

.testimonial-card__role {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    margin-top: 2px;
}

.testimonials__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.testimonials__btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--duration-fast) var(--ease-out);
}

.testimonials__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.testimonials__dots {
    display: flex;
    gap: var(--space-2);
}

.testimonials__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.testimonials__dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* Clients logos */
.clients {
    margin-top: var(--space-16);
    text-align: center;
}

.clients__label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: var(--space-8);
}

.clients__logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.clients__logo {
    opacity: 0.4;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.clients__logo:hover {
    opacity: 0.7;
}

.clients__logo-placeholder {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-inverse);
    letter-spacing: 0.02em;
}

/* ============================================================
   16. TEAM
   ============================================================ */
.team__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.team-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

[data-theme="dark"] .team-card {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.team-card__image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0A0F1C 0%, #1A2035 100%);
}

.team-card__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.3);
}

.team-card__avatar span {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text-inverse);
}

.team-card__info {
    padding: var(--space-6);
}

.team-card__name {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.team-card__role {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.team-card__bio {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.team-card__socials {
    display: flex;
    gap: var(--space-2);
}

.team-card__social {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    transition: all var(--duration-fast) var(--ease-out);
}

.team-card__social:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.08);
}

/* ============================================================
   17. CONTACT SECTION
   ============================================================ */
.contact__grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.contact__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.contact__form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.contact__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.contact__input,
.contact__select,
.contact__textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    font-size: var(--text-base);
    transition: all var(--duration-fast) var(--ease-out);
    outline: none;
}

.contact__input::placeholder,
.contact__textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.contact__input:focus,
.contact__select:focus,
.contact__textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.contact__input.error,
.contact__textarea.error {
    border-color: #EF4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.contact__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.contact__select option {
    background: #1A2035;
    color: var(--color-text-inverse);
}

.contact__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__error {
    font-size: var(--text-xs);
    color: #EF4444;
    min-height: 16px;
}

.contact__submit {
    align-self: flex-start;
    margin-top: var(--space-2);
}

.contact__submit-icon {
    transition: transform var(--duration-normal) var(--ease-out);
}

.contact__submit:hover .contact__submit-icon {
    transform: translate(3px, -3px);
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.contact__success {
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

.contact__success-icon {
    margin-bottom: var(--space-6);
}

.contact__success-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
}

.contact__success-text {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.5);
    max-width: 400px;
    margin: 0 auto;
    line-height: var(--leading-relaxed);
}

/* Contact info cards */
.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.contact__info-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-out);
}

.contact__info-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.contact__info-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.contact__info-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact__info-content h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-1);
}

.contact__info-content a,
.contact__info-content span {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
}

.contact__info-content a:hover {
    color: var(--color-primary-light);
}

.contact__map {
    margin-top: var(--space-2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact__map-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 180px;
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.3);
    font-size: var(--text-sm);
    font-weight: 500;
}

.contact__map-placeholder small {
    font-size: var(--text-xs);
    opacity: 0.6;
}

/* ============================================================
   18. FOOTER
   ============================================================ */
.footer {
    background: #060A14;
    padding: var(--space-16) 0 0;
    color: rgba(255, 255, 255, 0.6);
}

.footer__top {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-16);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.footer__logo-img {
    height: 36px;
    width: auto;
}

.footer__logo-text {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--color-text-inverse);
    letter-spacing: 0.05em;
}

.footer__description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.footer__socials {
    display: flex;
    gap: var(--space-3);
}

.footer__social {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.04);
    transition: all var(--duration-fast) var(--ease-out);
}

.footer__social:hover {
    color: var(--color-text-inverse);
    background: rgba(var(--color-primary-rgb), 0.2);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer__links-title {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-inverse);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-5);
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__links a:hover {
    color: var(--color-primary-light);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) 0;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.3);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__legal a:hover {
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   19. BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: 50%;
    box-shadow: var(--shadow-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--duration-normal) var(--ease-out);
    z-index: var(--z-dropdown);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(var(--color-primary-rgb), 0.4);
}

/* ============================================================
   20. SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* ============================================================
   21. SELECTION
   ============================================================ */
::selection {
    background: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-primary);
}