/* ===================================
   Greenhill Media - Design System
   =================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #0D9488;
    --color-primary-light: #14B8A6;
    --color-primary-dark: #0F766E;
    --color-primary-glow: rgba(13, 148, 136, 0.3);

    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-black: #000000;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-cursor: 400;
    --z-loading: 500;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}



/* ===================================
   Custom Cursor
   =================================== */
.cursor-glow {
    position: fixed;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-fast), width var(--transition-fast), height var(--transition-fast);
    mix-blend-mode: screen;
}

.cursor-glow.visible {
    opacity: 0.6;
}

.cursor-glow.hover {
    width: 40px;
    height: 40px;
    opacity: 0.8;
}

@media (hover: none) {
    .cursor-glow {
        display: none;
    }
}



/* ===================================
   Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-4xl) 0;
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
}

h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

.highlight {
    color: var(--color-primary);
    display: block;
}

/* ===================================
   Section Header
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.nav-logo .logo-icon {
    font-size: var(--font-size-2xl);
}

.navbar:not(.scrolled) .nav-logo {
    color: var(--color-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

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

.navbar:not(.scrolled) .nav-link:hover {
    color: var(--color-white);
}

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

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

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: var(--radius-lg);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-base);
}

.navbar:not(.scrolled) .nav-toggle span {
    background: var(--color-white);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 50%, var(--color-primary-dark) 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(13, 148, 136, 0.1) 0%, transparent 40%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    color: var(--color-white);
}

.hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: fit-content;
}

.feature-icon {
    font-size: var(--font-size-base);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    background: var(--color-gray-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(13, 148, 136, 0.2);
}

.screen-header {
    display: flex;
    gap: 6px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-900);
}

.screen-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f57;
}

.dot.yellow {
    background: #febc2e;
}

.dot.green {
    background: #28c840;
}

.screen-content {
    padding: var(--spacing-md);
}

.mock-nav {
    height: 12px;
    background: var(--color-gray-700);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.mock-hero {
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.mock-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.mock-card {
    height: 60px;
    background: var(--color-gray-700);
    border-radius: var(--radius-sm);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    animation: float 3s ease-in-out infinite;
    white-space: nowrap;
    overflow: visible;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.floating-card .card-icon {
    font-size: var(--font-size-lg);
}

.card-1 {
    top: -5%;
    left: 0%;
    animation-delay: 0s;
}

.card-2 {
    top: 20%;
    right: -15%;
    animation-delay: 0.5s;
}

.card-3 {
    top: 75%;
    left: 0%;
    animation-delay: 1s;
}

.card-4 {
    top: 50%;
    right: -12%;
    animation-delay: 1.5s;
}

.card-5 {
    bottom: -5%;
    left: 35%;
    animation-delay: 2s;
}

.card-6 {
    top: 80%;
    right: 5%;
    animation-delay: 2.5s;
}

.card-7 {
    top: 25%;
    left: -12%;
    animation-delay: 3s;
}

.card-8 {
    top: 0%;
    right: 5%;
    animation-delay: 3.5s;
}

.card-9 {
    top: auto;
    bottom: -12%;
    left: 55%;
    animation-delay: 4s;
}





@keyframes float {

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

    50% {
        transform: translateY(-10px);
    }
}



.floating-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Sparkle Particle Animation */
@keyframes sparkle {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(0deg) translateY(0) scale(0);
    }

    10% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(var(--distance) * -1)) scale(1);
    }
}


/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-gray-400);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-gray-400);
    border-radius: var(--radius-full);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {

    0%,
    100% {
        opacity: 1;
        top: 6px;
    }

    50% {
        opacity: 0.3;
        top: 14px;
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--color-gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
}

.about-avatar {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-100));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.exp-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.about-intro {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

.about-highlights {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.highlight-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.highlight-item h4 {
    margin-bottom: var(--spacing-xs);
}

.highlight-item p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
}

.service-card>p {
    color: var(--color-gray-500);
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-100);
}

.service-features li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   Pricing Section
   =================================== */
.pricing {
    background: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    align-items: stretch;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
    z-index: 2;
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.07) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.pricing-header .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.pricing-header p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-2xl);
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    display: flex;
    gap: 12px;
}

.pricing-features li span {
    color: var(--color-primary);
    font-weight: 700;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    background: var(--color-gray-900);
}

.portfolio .section-tag,
.portfolio .section-title,
.portfolio .section-desc {
    color: var(--color-white);
}

.portfolio .section-title .highlight {
    color: var(--color-primary-light);
}

.portfolio .section-desc {
    color: var(--color-gray-400);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid var(--color-gray-700);
    color: var(--color-gray-400);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-slow);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.portfolio-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 2;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
}

.design-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    z-index: 10;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border-radius: 4px;
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 6px;
}

.design-badge::before {
    content: "⚡";
    font-size: 10px;
}

.portfolio-placeholder {
    font-size: 4rem;
    opacity: 0.8;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-info {
    color: var(--color-white);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h3 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.portfolio-info p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-sm);
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-sm);
}

.portfolio-tags span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

/* Portfolio Mockups */
.portfolio-mockup {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.mockup-browser {
    width: 85%;
    max-width: 280px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.mockup-dots {
    display: flex;
    gap: 5px;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.1);
}

.mockup-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
}

.mockup-dots span:nth-child(1) {
    background: #ff5f57;
}

.mockup-dots span:nth-child(2) {
    background: #febc2e;
}

.mockup-dots span:nth-child(3) {
    background: #28c840;
}

.mockup-nav-bar {
    height: 8px;
    margin: 8px 10px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

/* Tech Startup Mockup */
.mockup-hero-area {
    padding: 12px 10px;
    text-align: center;
}

.mockup-headline {
    height: 10px;
    width: 70%;
    margin: 0 auto 6px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.mockup-subline {
    height: 6px;
    width: 50%;
    margin: 0 auto 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}

.mockup-btn {
    height: 12px;
    width: 40%;
    margin: 0 auto;
    background: var(--color-primary);
    border-radius: 6px;
}

.mockup-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 8px 10px 12px;
}

.mockup-feature-card {
    height: 35px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}

/* E-commerce Mockup */
.mockup-ecommerce {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 8px;
    padding: 8px 10px 12px;
}

.mockup-sidebar {
    background: rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}

.mockup-products {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.mockup-product {
    aspect-ratio: 1;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

/* Branding Mockup */
.mockup-branding {
    padding: 10px;
}

.mockup-logo-area {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.mockup-logo-circle {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.1));
    border-radius: 50%;
}

.mockup-brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.mockup-color-box {
    aspect-ratio: 1;
    border-radius: 4px;
}

.mockup-color-box:nth-child(1) {
    background: rgba(0, 100, 100, 0.6);
}

.mockup-color-box:nth-child(2) {
    background: rgba(0, 150, 150, 0.5);
}

.mockup-color-box:nth-child(3) {
    background: rgba(100, 150, 150, 0.4);
}

.mockup-color-box:nth-child(4) {
    background: rgba(150, 200, 200, 0.3);
}

/* Restaurant Mockup */
.mockup-restaurant {
    padding: 8px 10px 12px;
}

.mockup-food-hero {
    height: 45px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.08));
    border-radius: 6px;
    margin-bottom: 8px;
}

.mockup-menu-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.mockup-menu-item {
    height: 30px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}

/* Gallery/Photography Mockup */
.mockup-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px 10px 12px;
}

.mockup-photo {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 4px;
}

.mockup-photo.large {
    aspect-ratio: 3/4;
}

.mockup-photo-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mockup-photo.small {
    flex: 1;
}

/* Athletic Store Mockup */
.mockup-athletic {
    padding: 8px 10px 12px;
}

.mockup-shoe-hero {
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.06));
    border-radius: 6px;
    margin-bottom: 8px;
}

.mockup-product-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.mockup-sneaker {
    height: 28px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}


/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--color-gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    color: #F59E0B;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: auto;
}

.author-avatar {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-gray-100);
    border: 2px solid var(--color-white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.author-info strong {
    display: block;
    color: var(--color-gray-900);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ===================================
   Blog Section
   =================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    height: 200px;
    position: relative;
    padding: var(--spacing-md);
    overflow: hidden;
}

.blog-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.blog-category {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-white);
}



.blog-content {
    padding: var(--spacing-lg);
}

.blog-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.blog-content h3 {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    line-height: 1.4;
}

.blog-content p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.blog-link {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
}

.contact .section-tag,
.contact .section-title,
.contact .section-desc {
    color: var(--color-white);
}

.contact .section-desc {
    color: var(--color-gray-400);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    color: var(--color-white);
}

.contact-info h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.contact-info>p {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: var(--font-size-xl);
}

.contact-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-item a,
.contact-item span {
    color: var(--color-gray-400);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-4px);
    color: var(--color-white);
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-black);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-newsletter h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.footer-newsletter p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-800);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.newsletter-form input::placeholder {
    color: var(--color-gray-500);
}

.newsletter-form button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--color-primary-dark);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    font-size: var(--font-size-sm);
}

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

.footer-legal a {
    color: var(--color-gray-500);
}

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

/* ===================================
   Animations
   =================================== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        display: none;
    }

    .hero-subtitle {
        max-width: 100%;
    }

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

    .hero-features {
        align-items: center;
    }

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

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

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

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-3xl) 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-xl);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--color-gray-700);
        font-size: var(--font-size-lg);
    }

    .nav-toggle {
        display: flex;
        z-index: calc(var(--z-sticky) + 1);
    }

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

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

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

    .navbar.scrolled .nav-toggle.active span {
        background: var(--color-gray-700);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

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

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .feature-badge {
        width: 100%;
        justify-content: center;
    }
}