/* =============================================
   ZYTHSOFT — Premium Design System
   ============================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ══════════════════════════════════════════════
   DESIGN TOKENS
   ══════════════════════════════════════════════ */
:root {
    /* Colors — Light Mode */
    --bg-primary: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F9FAFB;
    --bg-nav: rgba(255, 255, 255, 0.72);
    --bg-nav-blur: blur(20px);

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;

    --accent-primary: #2563EB;
    --accent-secondary: #1E40AF;
    --accent-gradient: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #06B6D4 100%);
    --accent-glow: rgba(37, 99, 235, 0.12);

    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.18);

    /* Typography */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --fs-display: clamp(3rem, 6vw, 5.5rem);
    --fs-h1: clamp(2.25rem, 4vw, 3.75rem);
    --fs-h2: clamp(1.875rem, 3.5vw, 3rem);
    --fs-h3: clamp(1.25rem, 2vw, 1.5rem);
    --fs-body: 1rem;
    --fs-body-lg: 1.125rem;
    --fs-small: 0.875rem;
    --fs-xs: 0.75rem;

    --lh-tight: 1.1;
    --lh-snug: 1.25;
    --lh-normal: 1.6;

    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1280px;
    --container-padding: 2rem;
    --nav-height: 72px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-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: 200ms;
    --duration-normal: 350ms;
    --duration-slow: 600ms;

    /* Mockup colors */
    --mockup-bg: #F1F5F9;
    --mockup-border: #E2E8F0;
    --mockup-dot-1: #FCA5A5;
    --mockup-dot-2: #FCD34D;
    --mockup-dot-3: #6EE7B7;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
    --bg-primary: #09090B;
    --bg-secondary: #111113;
    --bg-tertiary: #18181B;
    --bg-card: #141416;
    --bg-card-hover: #1C1C1F;
    --bg-nav: rgba(9, 9, 11, 0.8);

    --text-primary: #F4F4F5;
    --text-secondary: #A1A1AA;
    --text-tertiary: #52525B;

    --accent-primary: #60A5FA;
    --accent-secondary: #93C5FD;
    --accent-gradient: linear-gradient(135deg, #3B82F6 0%, #60A5FA 50%, #22D3EE 100%);
    --accent-glow: rgba(96, 165, 250, 0.1);

    --border-color: #27272A;
    --border-hover: #3F3F46;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(96, 165, 250, 0.12);

    --mockup-bg: #1C1C1F;
    --mockup-border: #27272A;
    --mockup-dot-1: #7F1D1D;
    --mockup-dot-2: #713F12;
    --mockup-dot-3: #14532D;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--duration-slow) var(--ease-out),
        color var(--duration-slow) var(--ease-out);
}

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

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

ul {
    list-style: none;
}

::selection {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

/* ── Container ── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ── Utility ── */
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ══════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: var(--bg-nav);
    backdrop-filter: var(--bg-nav-blur);
    -webkit-backdrop-filter: var(--bg-nav-blur);
    border-bottom: 1px solid transparent;
    transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.35rem;
    z-index: 10;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: 1.1rem;
    font-weight: var(--fw-bold);
    letter-spacing: -0.02em;
}

.logo-text {
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-xs) 0;
    letter-spacing: 0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
    transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* ── Theme Toggle ── */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.theme-toggle-icon {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-normal) var(--ease-spring);
}

.theme-toggle-icon.sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle-icon.moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle-icon.sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle-icon.moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ── Nav CTA ── */
.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--text-inverse);
    background: var(--accent-gradient);
    border-radius: var(--border-radius-full);
    transition: all var(--duration-fast) var(--ease-out);
    letter-spacing: 0.01em;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* ── Hamburger ── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 10;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ══════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--container-padding) var(--space-3xl);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4;
}

[data-theme="dark"] .hero-canvas {
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--accent-primary);
    background: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.02em;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-display);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    letter-spacing: -0.04em;
    margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
    font-size: var(--fs-body-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: var(--lh-normal);
}

/* ── Hero CTAs ── */
.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-weight: var(--fw-semibold);
    font-size: var(--fs-body);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    letter-spacing: 0.01em;
}

.btn-primary {
    color: var(--text-inverse);
    background: var(--accent-gradient);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-primary svg {
    transition: transform var(--duration-normal) var(--ease-out);
}

.btn-secondary {
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ── Hero Stats ── */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.hero-stat-suffix {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: var(--fw-bold);
    color: var(--accent-primary);
}

.hero-stat-label {
    display: block;
    font-size: var(--fs-small);
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: var(--fw-medium);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* ── Scroll Indicator ── */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: var(--fs-xs);
    animation: float-subtle 3s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

@keyframes float-subtle {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-6px);
    }
}

/* ══════════════════════════════════════════════
   SECTION COMMON
   ══════════════════════════════════════════════ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-md);
    padding: 6px 16px;
    background: var(--accent-glow);
    border-radius: var(--border-radius-full);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
    line-height: var(--lh-snug);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--fs-body-lg);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: var(--lh-normal);
}

/* ══════════════════════════════════════════════
   SERVICES — BENTO GRID
   ══════════════════════════════════════════════ */
.services {
    padding: var(--space-5xl) 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto auto;
    gap: 20px;
    grid-template-areas:
        "web   web   web   web   web   web   web   mob   mob   mob   mob   mob"
        "cloud cloud cloud cloud ai    ai    ai    ai    devop devop devop devop"
        "uiux  uiux  uiux  uiux  uiux  uiux  uiux  uiux  uiux  uiux  uiux  uiux";
}

.bento-card[data-service="web"] {
    grid-area: web;
}

.bento-card[data-service="mobile"] {
    grid-area: mob;
}

.bento-card[data-service="cloud"] {
    grid-area: cloud;
}

.bento-card[data-service="ai"] {
    grid-area: ai;
}

.bento-card[data-service="devops"] {
    grid-area: devop;
}

.bento-card[data-service="design"] {
    grid-area: uiux;
}

.bento-card {
    position: relative;
    padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    cursor: default;
    display: flex;
    flex-direction: column;
}




.bento-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(37, 99, 235, 0.08);
}

[data-theme="dark"] .bento-card:hover {
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(96, 165, 250, 0.1);
}

/* Full-width last card — horizontal layout */
.bento-card[data-service="design"] {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2xl);
}

.bento-card[data-service="design"] .bento-icon {
    margin-bottom: 0;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
}

.bento-card[data-service="design"] .bento-body {
    flex: 1;
    min-width: 0;
}

.bento-hover-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow), transparent 40%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    pointer-events: none;
    z-index: 0;
}

.bento-card:hover .bento-hover-gradient {
    opacity: 1;
}

.bento-icon {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-md);
    background: var(--accent-glow);
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
    transition: transform var(--duration-normal) var(--ease-out),
        background var(--duration-normal) var(--ease-out);
}

.bento-card:hover .bento-icon {
    transform: scale(1.08);
    background: var(--accent-primary);
    color: white;
}

.bento-title {
    position: relative;
    z-index: 1;
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.bento-desc {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    font-size: var(--fs-small);
    line-height: var(--lh-normal);
    margin-bottom: var(--space-lg);
    flex: 1;
}

.bento-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.bento-tags span {
    padding: 5px 14px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--border-color);
    transition: all var(--duration-fast) var(--ease-out);
}

.bento-card:hover .bento-tags span {
    border-color: var(--border-hover);
}

/* ══════════════════════════════════════════════
   TECH STACK — MARQUEE
   ══════════════════════════════════════════════ */
.tech-stack {
    padding: var(--space-5xl) 0;
    overflow: hidden;
}

.marquee-wrapper {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.marquee-track {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: flex;
    gap: var(--space-md);
    padding-right: var(--space-md);
    flex-shrink: 0;
}

.marquee-forward .marquee-content {
    animation: marquee-scroll 40s linear infinite;
}

.marquee-reverse .marquee-content {
    animation: marquee-scroll-reverse 40s linear infinite;
}

@keyframes marquee-scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

@keyframes marquee-scroll-reverse {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

.tech-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: all var(--duration-fast) var(--ease-out);
}

.tech-badge:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.tech-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dot-color);
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════
   PROJECT SHOWCASE
   ══════════════════════════════════════════════ */
.projects {
    padding: var(--space-5xl) 0;
}

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

.project-card {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.project-card.project-reverse {
    grid-template-columns: 1fr 1.15fr;
}

.project-card.project-reverse .project-visual {
    order: 2;
}

.project-card.project-reverse .project-info {
    order: 1;
}

/* ── Browser Mockup ── */
.project-mockup {
    position: relative;
}

.mockup-browser {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-normal) var(--ease-out);
}

.project-card:hover .mockup-browser {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.mockup-dots {
    display: flex;
    gap: 6px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dots span:nth-child(1) {
    background: var(--mockup-dot-1);
}

.mockup-dots span:nth-child(2) {
    background: var(--mockup-dot-2);
}

.mockup-dots span:nth-child(3) {
    background: var(--mockup-dot-3);
}

.mockup-screen {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}

/* ── Mockup Placeholder UI ── */
.mockup-placeholder {
    width: 100%;
    height: 100%;
    background: var(--mockup-bg);
    padding: 5%;
}

.placeholder-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8%;
}

.ph-nav {
    width: 100%;
    height: 6%;
    background: var(--placeholder-color);
    opacity: 0.15;
    border-radius: 4px;
}

.ph-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6%;
    padding: 4% 10%;
}

.ph-title {
    width: 70%;
    height: 12px;
    background: var(--placeholder-color);
    opacity: 0.3;
    border-radius: 4px;
}

.ph-subtitle {
    width: 50%;
    height: 8px;
    background: var(--placeholder-color);
    opacity: 0.15;
    border-radius: 4px;
}

.ph-btn {
    width: 25%;
    height: 10px;
    background: var(--placeholder-color);
    opacity: 0.5;
    border-radius: 20px;
}

.ph-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4%;
    padding: 0 5%;
    flex: 1;
}

.ph-card {
    background: var(--placeholder-color);
    opacity: 0.08;
    border-radius: 6px;
}

.ph-dashboard {
    display: flex;
    gap: 4%;
    flex: 1;
}

.ph-sidebar {
    width: 20%;
    background: var(--placeholder-color);
    opacity: 0.1;
    border-radius: 4px;
}

.ph-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6%;
}

.ph-chart {
    height: 45%;
    background: var(--placeholder-color);
    opacity: 0.08;
    border-radius: 6px;
}

.ph-table {
    flex: 1;
    background: var(--placeholder-color);
    opacity: 0.05;
    border-radius: 6px;
}

.ph-product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4%;
    padding: 0 2%;
    flex: 1;
    width: 100%;
}

.ph-product {
    background: var(--placeholder-color);
    opacity: 0.08;
    border-radius: 6px;
}

/* ── Project Info ── */
.project-category {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: var(--fw-bold);
    letter-spacing: -0.03em;
    margin: var(--space-sm) 0 var(--space-md);
}

.project-desc {
    color: var(--text-secondary);
    line-height: var(--lh-normal);
    margin-bottom: var(--space-xl);
}

.project-metrics {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
    margin-top: 2px;
}

.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech-tags span {
    padding: 4px 14px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--border-color);
}

/* ══════════════════════════════════════════════
   WHY ZYTHSOFT
   ══════════════════════════════════════════════ */
.why-us {
    padding: var(--space-5xl) 0;
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-4xl);
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    letter-spacing: -0.03em;
    display: inline;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: var(--fw-bold);
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    font-size: var(--fs-small);
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: var(--fw-medium);
}

/* ── Pillar Cards ── */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.pillar-card {
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
}

.pillar-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.pillar-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: var(--fw-bold);
    color: #E2E8F0;
    line-height: 1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.05em;
}

[data-theme="dark"] .pillar-number {
    color: #2A2A30;
}

.pillar-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    background: var(--accent-glow);
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.pillar-desc {
    color: var(--text-secondary);
    font-size: var(--fs-small);
    line-height: var(--lh-normal);
}

/* ══════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════ */
.contact {
    padding: var(--space-5xl) 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-desc {
    color: var(--text-secondary);
    line-height: var(--lh-normal);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--fs-small);
}

.contact-detail svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* ── Form ── */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
}

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

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: var(--fs-small);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-secondary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn-primary {
    margin-top: var(--space-sm);
    padding: 16px 32px;
    font-size: var(--fs-body);
    border: none;
    cursor: pointer;
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-tagline {
    color: var(--text-tertiary);
    font-size: var(--fs-small);
    margin-top: var(--space-md);
    line-height: var(--lh-normal);
}

.footer-links-group {
    display: flex;
    gap: var(--space-4xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.footer-col a {
    font-size: var(--fs-small);
    color: var(--text-tertiary);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-col a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

.footer-legal a:hover {
    color: var(--accent-primary);
}

/* ══════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ══════════════════════════════════════════════ */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.bento-grid .reveal-up:nth-child(1) {
    transition-delay: 0ms;
}

.bento-grid .reveal-up:nth-child(2) {
    transition-delay: 80ms;
}

.bento-grid .reveal-up:nth-child(3) {
    transition-delay: 160ms;
}

.bento-grid .reveal-up:nth-child(4) {
    transition-delay: 240ms;
}

.bento-grid .reveal-up:nth-child(5) {
    transition-delay: 320ms;
}

.bento-grid .reveal-up:nth-child(6) {
    transition-delay: 400ms;
}

.pillars-grid .reveal-up:nth-child(1) {
    transition-delay: 0ms;
}

.pillars-grid .reveal-up:nth-child(2) {
    transition-delay: 100ms;
}

.pillars-grid .reveal-up:nth-child(3) {
    transition-delay: 200ms;
}

.pillars-grid .reveal-up:nth-child(4) {
    transition-delay: 300ms;
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */

/* ── Large Tablets / Small Laptops ── */
@media (max-width: 1200px) {
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Tablets ── */
@media (max-width: 992px) {
    :root {
        --container-padding: 1.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: calc(var(--nav-height) - 4px);
        left: var(--container-padding);
        right: var(--container-padding);
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-xl);
        box-shadow: var(--shadow-xl);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        z-index: 999;
        padding: var(--space-sm);
        animation: menuSlideDown var(--duration-normal) var(--ease-out);
    }

    @keyframes menuSlideDown {
        from {
            opacity: 0;
            transform: translateY(-12px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links .nav-link {
        display: block;
        width: 100%;
        font-size: 1rem;
        font-weight: var(--fw-medium);
        color: var(--text-primary);
        padding: var(--space-md) var(--space-lg);
        border-radius: var(--border-radius-md);
        text-align: left;
        transition: background var(--duration-fast) var(--ease-out),
            color var(--duration-fast) var(--ease-out);
    }

    .nav-links .nav-link:hover {
        background: var(--bg-tertiary);
        color: var(--accent-primary);
    }

    .nav-links .nav-link::after {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-areas:
            "web    mob"
            "cloud  ai"
            "devop  uiux";
    }

    .bento-card[data-service="design"] {
        flex-direction: column;
        gap: 0;
    }

    .bento-card[data-service="design"] .bento-icon {
        margin-bottom: var(--space-lg);
    }

    .project-card,
    .project-card.project-reverse {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .project-card.project-reverse .project-visual {
        order: 0;
    }

    .project-card.project-reverse .project-info {
        order: 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

/* ── Mobile ── */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
        --space-5xl: 5rem;
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "web"
            "mob"
            "cloud"
            "ai"
            "devop"
            "uiux";
    }

    .pillars-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-links-group {
        gap: var(--space-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-scroll-indicator {
        display: none;
    }
}

/* ── Small Mobile ── */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .hero-ctas .btn {
        width: 100%;
        justify-content: center;
    }

    .project-metrics {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .footer-links-group {
        flex-wrap: wrap;
    }
}

/* ══════════════════════════════════════════════
   PERFORMANCE: Reduced Motion
   ══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-up {
        opacity: 1;
        transform: none;
    }
}