/* ============================================
   AVD-PLUS — Premium Print Company Website
   Design System & Global Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors — Light Theme */
    --color-bg: #ffffff;
    --color-bg-alt: #f7f8fa;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f0f1f5;
    --color-surface: #f4f5f7;
    --color-border: rgba(0, 0, 0, 0.07);
    --color-border-hover: rgba(0, 0, 0, 0.14);

    --color-text: #1a1a2e;
    --color-text-secondary: #5a5a72;
    --color-text-muted: #8e8ea0;

    --color-primary: #5046e5;
    --color-primary-light: #6c63ff;
    --color-primary-dark: #3d34c4;
    --color-accent: #00b894;
    --color-accent-2: #e84d4d;

    --gradient-primary: linear-gradient(135deg, #5046e5 0%, #00b894 100%);
    --gradient-text: linear-gradient(135deg, #5046e5 0%, #00b894 50%, #5046e5 100%);
    --gradient-card: linear-gradient(135deg, rgba(80, 70, 229, 0.04) 0%, rgba(0, 184, 148, 0.03) 100%);
    --gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(80, 70, 229, 0.04), transparent 40%);

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

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1240px;
    --container-padding: 24px;

    /* Effects */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(80, 70, 229, 0.15);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-bg);
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 3px;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul { list-style: none; }

::selection {
    background: var(--color-primary);
    color: white;
}

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

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* --- Preloader --- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

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

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

.preloader-logo {
    font-family: var(--font-body);
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
    color: var(--color-text);
    margin-bottom: 24px;
}

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

.preloader-bar {
    width: 200px;
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.preloader-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: preloaderFill 1.5s ease forwards;
}

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

/* --- Custom Cursor --- */
.custom-cursor {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width var(--transition-fast), height var(--transition-fast), background var(--transition-fast);
    mix-blend-mode: normal;
}

.cursor-follower {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(80, 70, 229, 0.3);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width var(--transition-base), height var(--transition-base), border-color var(--transition-base);
}

.custom-cursor.hover {
    width: 14px;
    height: 14px;
    background: var(--color-accent);
}

.cursor-follower.hover {
    width: 50px;
    height: 50px;
    border-color: rgba(0, 184, 148, 0.3);
}

@media (max-width: 768px) {
    .custom-cursor, .cursor-follower { display: none; }
}

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -1.5px;
    z-index: 1001;
}

.logo-text { color: var(--color-text); }

.logo-plus {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(80, 70, 229, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 184, 148, 0.05) 0%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 60px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(80, 70, 229, 0.06);
    border: 1px solid rgba(80, 70, 229, 0.12);
    border-radius: var(--radius-full);
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 24px;
}

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

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-text);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(80, 70, 229, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(80, 70, 229, 0.3);
}

.btn-primary svg {
    transition: transform var(--transition-base);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border-hover);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(80, 70, 229, 0.05);
    transform: translateY(-3px);
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image {
    border-radius: var(--radius-xl);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.03);
}

.hero-image-glow {
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
}

.hero-image-wrapper:hover .hero-image-glow {
    opacity: 0.3;
}

.hero-stats {
    display: flex;
    gap: 16px;
    margin-top: -40px;
    position: relative;
    z-index: 2;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    text-align: center;
    min-width: 140px;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Hero Scroll  */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-indicator {
    width: 20px;
    height: 32px;
    border: 1.5px solid var(--color-text-muted);
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 6px;
}

.scroll-dot {
    width: 3px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scrollDot 2s ease infinite;
}

@keyframes scrollDot {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary-light);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.about-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.about-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.about-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.about-icon svg {
    width: 36px;
    height: 36px;
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.about-card p {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* --- Services Section --- */
.services {
    background: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    gap: 24px;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-smooth);
}

.service-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.service-card:hover::after {
    width: 100%;
}

.service-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    flex-shrink: 0;
}

.service-content {
    flex: 1;
}

.service-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.service-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.service-features li {
    font-size: 0.825rem;
    color: var(--color-text-muted);
    padding-left: 16px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 5px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

.service-arrow {
    display: flex;
    align-items: flex-start;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.service-card:hover .service-arrow {
    color: var(--color-primary);
    transform: translate(4px, -4px);
}

/* --- Portfolio Section --- */
.portfolio-showcase {
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    margin-bottom: 48px;
}

.portfolio-main {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    aspect-ratio: 16/9;
}

.portfolio-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-main:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 48px;
    background: linear-gradient(transparent, rgba(10, 10, 15, 0.95));
}

.portfolio-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(108, 99, 255, 0.2);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.portfolio-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    max-width: 500px;
}

/* Portfolio Metrics */
.portfolio-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    padding: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.metric {
    text-align: center;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-suffix {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.metric-divider {
    width: 1px;
    height: 48px;
    background: var(--color-border);
}

/* --- Process Section --- */
.process {
    background: var(--color-bg-alt);
}

.process-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.process-left .section-tag,
.process-left .section-title,
.process-left .section-desc {
    text-align: left;
}

.process-image {
    margin-top: 40px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.process-image img {
    width: 100%;
    height: auto;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-image:hover img {
    transform: scale(1.03);
}

.process-right {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-top: 20px;
}

.process-step {
    display: flex;
    gap: 24px;
    padding: 28px 0;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    font-size: 0.875rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    background-color: var(--color-bg-alt);
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    margin-top: 8px;
}

.process-step:last-child .step-line { display: none; }

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* --- CTA Section --- */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px solid rgba(80, 70, 229, 0.08);
    top: -100px;
    right: -100px;
    animation: ctaFloat 8s ease infinite;
}

.cta-circle-2 {
    width: 300px;
    height: 300px;
    top: auto;
    right: auto;
    bottom: -80px;
    left: -80px;
    border-color: rgba(0, 184, 148, 0.06);
    animation-delay: 4s;
    animation-direction: reverse;
}

@keyframes ctaFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
}

/* --- Contact Section --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title,
.contact-info .section-desc {
    text-align: left;
}

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(80, 70, 229, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(80, 70, 229, 0.1);
}

.form-group select {
    appearance: none;
    -webkit-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='%239595a8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

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

/* --- Footer --- */
.footer {
    padding: 80px 0 0;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 80px;
    padding-bottom: 60px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text);
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 100;
}

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

.back-to-top:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="scale-in"] {
    transform: scale(0.85);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* --- Floating Particles --- */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) rotate(0deg);
    }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% {
        opacity: 0;
        transform: translateY(-100px) rotate(360deg);
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
        padding: 40px 0;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-scroll { display: none; }

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

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

    .process-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .process-left .section-tag,
    .process-left .section-title,
    .process-left .section-desc {
        text-align: center;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-info .section-tag,
    .contact-info .section-title,
    .contact-info .section-desc {
        text-align: center;
    }

    .contact-details {
        align-items: center;
    }

    .portfolio-metrics {
        flex-direction: column;
        gap: 24px;
        padding: 32px;
    }

    .metric-divider {
        width: 48px;
        height: 1px;
    }

    .footer-top {
        flex-direction: column;
        gap: 48px;
    }

    .cta-card {
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu .nav-link {
        font-size: 1.5rem;
        font-weight: 600;
    }

    .nav-cta { display: none; }

    .nav-toggle { display: flex; }

    .hero-badge { font-size: 0.75rem; }

    .hero-stats {
        flex-direction: row;
        gap: 12px;
        margin-top: -24px;
    }

    .stat-card {
        padding: 16px 20px;
        min-width: 110px;
    }

    .stat-number { font-size: 1.5rem; }

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

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .portfolio-overlay {
        padding: 24px;
    }

    .portfolio-overlay h3 {
        font-size: 1.3rem;
    }

    .service-card {
        flex-direction: column;
        gap: 16px;
    }

    .service-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
        --container-padding: 16px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .about-card {
        padding: 24px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}