/* ============================================
   DESIGN SYSTEM - CSS Custom Properties
   ============================================ */

:root {
    /* Colors */
    --color-primary: #4262FF;
    --color-primary-dark: #3451DB;
    --color-primary-light: #6B85FF;

    --color-bg: #FAFBFC;
    --color-bg-card: #FFFFFF;
    --color-bg-dark: #0F1419;

    --color-text: #1A1A2E;
    --color-text-secondary: #64748B;
    --color-text-light: #94A3B8;
    --color-text-inverse: #FFFFFF;

    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* Accent Colors for Pills/Badges */
    --color-accent-purple: #8B5CF6;
    --color-accent-pink: #EC4899;
    --color-accent-blue: #3B82F6;
    --color-accent-cyan: #06B6D4;
    --color-accent-green: #10B981;
    --color-accent-orange: #F59E0B;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --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, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(66, 98, 255, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4262FF 0%, #8B5CF6 50%, #EC4899 100%);
    --gradient-glow: linear-gradient(135deg, rgba(66, 98, 255, 0.4) 0%, rgba(139, 92, 246, 0.4) 50%, rgba(236, 72, 153, 0.3) 100%);
}

/* ============================================
   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-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--text-5xl);
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(66, 98, 255, 0.35), 0 0 0 1px rgba(66, 98, 255, 0.1);
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Magnetic Button Effect */
.btn-magnetic {
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        box-shadow var(--transition-base),
        background var(--transition-base);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: transparent;
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 600;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

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

.btn-xlarge {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 251, 252, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(250, 251, 252, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-img {
    height: 48px;
    width: auto;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

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

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        flex-direction: column;
        padding: var(--space-8);
        gap: var(--space-6);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .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);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: var(--space-32) 0 var(--space-16);
    overflow: hidden;
    background: var(--color-bg);
}

/* Animated gradient mesh background */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 150%;
    background:
        radial-gradient(ellipse 80% 50% at 80% 20%, rgba(66, 98, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 60% 60%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    pointer-events: none;
    animation: gradientShift 15s ease-in-out infinite alternate;
}

/* Secondary animated blob */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse at center, rgba(66, 98, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
    filter: blur(40px);
}

@keyframes gradientShift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(-5%, 5%) scale(1.05);
    }
}

/* Dot grid pattern overlay */
.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(66, 98, 255, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-green);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-6xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-7xl);
    }
}

/* Gradient Text Effect */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Text Reveal Animation */
.text-reveal {
    display: inline-block;
    animation: textReveal 0.8s ease forwards;
}

@keyframes textReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--text-xl);
    }
}

/* Hero Highlights List */
.hero-highlights {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-8) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.hero-highlights li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.hero-highlights li svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent-green);
    flex-shrink: 0;
    margin-top: 2px;
}

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

.hero-highlights li a:hover {
    color: var(--color-primary-dark);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

/* About Section - Process & Work Lists */
.about-heading {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: var(--space-6) 0 var(--space-3) 0;
}

.process-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.process-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.process-list li svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.recent-work-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.recent-work-list li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    padding-left: var(--space-4);
    position: relative;
}

.recent-work-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

.recent-work-list li a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.recent-work-list li a:hover {
    color: var(--color-primary-dark);
}

.about-cta-text {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(66, 98, 255, 0.06) 0%, rgba(139, 92, 246, 0.06) 100%);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Hero Visual - Floating Cards */
.hero-visual {
    position: relative;
    height: 450px;
    display: none;
}

@media (min-width: 1024px) {
    .hero-visual {
        display: block;
    }
}

/* ============================================
   HERO ILLUSTRATION
   ============================================ */

.hero-illustration-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.hero-illustration {
    width: 550px;
    height: auto;
    animation: floatIllustration 8s ease-in-out infinite;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
    transition: transform var(--transition-slow);
}

.hero-illustration:hover {
    transform: scale(1.02);
}

@keyframes floatIllustration {

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

    50% {
        transform: translateY(-15px);
    }
}

/* VS Code Screenshot Backdrop - Faded behind */
.code-backdrop {
    position: absolute;
    top: -30px;
    left: -60px;
    z-index: 1;
    opacity: 0.35;
    transform: rotateY(-8deg) rotateX(5deg) scale(0.85);
    animation: floatSlow 8s ease-in-out infinite;
}

.vscode-screenshot {
    width: 450px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.code-window {
    width: 280px;
    background: #1e1e2e;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #181825;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #45475a;
}

.code-dot:nth-child(1) {
    background: #f38ba8;
}

.code-dot:nth-child(2) {
    background: #f9e2af;
}

.code-dot:nth-child(3) {
    background: #a6e3a1;
}

.code-title {
    margin-left: 8px;
    font-size: 11px;
    color: #6c7086;
    font-family: 'Monaco', 'Menlo', monospace;
}

.code-content {
    padding: 16px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 11px;
    line-height: 1.8;
}

.code-line {
    color: #cdd6f4;
    white-space: nowrap;
}

.code-comment {
    color: #6c7086;
}

.code-keyword {
    color: #cba6f7;
}

.code-string {
    color: #a6e3a1;
}

.code-function {
    color: #89b4fa;
}

/* App Mockup - Front, Glass Effect */
.app-mockup {
    position: absolute;
    top: 20px;
    right: -20px;
    z-index: 2;
    transform: rotateY(5deg) rotateX(-3deg);
    animation: floatGlass 6s ease-in-out infinite;
}

.mockup-frame {
    background: var(--color-bg-card);
    border-radius: var(--radius-2xl);
    padding: 8px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 0 80px rgba(66, 98, 255, 0.15);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.mockup-screenshot {
    width: 280px;
    height: auto;
    border-radius: var(--radius-xl);
    display: block;
}

.mockup-label {
    position: absolute;
    bottom: -15px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.mockup-label svg {
    width: 14px;
    height: 14px;
}

@keyframes floatSlow {

    0%,
    100% {
        transform: rotateY(-8deg) rotateX(5deg) scale(0.9) translateY(0);
    }

    50% {
        transform: rotateY(-8deg) rotateX(5deg) scale(0.9) translateY(-10px);
    }
}

@keyframes floatGlass {

    0%,
    100% {
        transform: rotateY(5deg) rotateX(-3deg) translateY(0);
    }

    50% {
        transform: rotateY(5deg) rotateX(-3deg) translateY(-15px);
    }
}

/* Central Mockup Illustration */
.hero-mockup {
    position: absolute;
    top: 35%;
    left: 30%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.mockup-window {
    width: 220px;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl), 0 0 60px rgba(66, 98, 255, 0.1);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.mockup-header {
    display: flex;
    gap: 6px;
    padding: 12px 14px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

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

.mockup-dot.red {
    background: #FF5F56;
}

.mockup-dot.yellow {
    background: #FFBD2E;
}

.mockup-dot.green {
    background: #27CA40;
}

.mockup-content {
    display: flex;
    padding: 16px;
    gap: 12px;
    min-height: 140px;
}

.mockup-sidebar {
    width: 40px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent-purple) 100%);
    border-radius: var(--radius-md);
    opacity: 0.8;
}

.mockup-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mockup-line {
    height: 10px;
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

.mockup-line.short {
    width: 60%;
}

.mockup-block {
    height: 50px;
    background: linear-gradient(135deg, rgba(66, 98, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-border);
}

/* AI Code Snippet Badge */
.ai-code-snippet {
    position: absolute;
    bottom: -20px;
    right: -30px;
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: 8px 14px;
    border-radius: var(--radius-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 11px;
    display: flex;
    gap: 6px;
    box-shadow: var(--shadow-xl);
    animation: float 4s ease-in-out infinite;
    animation-delay: 1s;
}

.code-tag {
    color: var(--color-accent-cyan);
}

.code-text {
    color: var(--color-accent-green);
}

/* Connecting Lines */
.hero-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.connection-line {
    stroke-dasharray: 8, 4;
    animation: dashMove 20s linear infinite;
}

@keyframes dashMove {
    to {
        stroke-dashoffset: -100;
    }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.1);
    font-size: var(--text-base);
    font-weight: 600;
    animation: float 6s ease-in-out infinite;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.floating-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl), 0 0 30px rgba(66, 98, 255, 0.15);
}

.floating-card-icon {
    font-size: var(--text-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.floating-card-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 1.75;
    transition: transform var(--transition-base), color var(--transition-fast);
}

.floating-card:hover .floating-card-icon svg {
    transform: rotate(10deg) scale(1.15);
    color: var(--color-accent-purple);
}

.card-1 {
    top: 5%;
    left: 15%;
    animation-delay: 0s;
    z-index: 10;
}

.card-2 {
    top: 25%;
    right: 5%;
    animation-delay: 1.5s;
    z-index: 10;
}

.card-3 {
    bottom: 35%;
    left: 5%;
    animation-delay: 3s;
    z-index: 10;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation-delay: 4.5s;
    z-index: 10;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-light);
    font-size: var(--text-xs);
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-text-light);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: var(--space-24) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.about-text strong {
    color: var(--color-text);
}

.skills-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.skill-category h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

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

.skill-pill {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition-base);
}

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

.skill-highlight {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.skill-highlight h3 {
    font-size: var(--text-base);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    text-transform: none;
    letter-spacing: normal;
}

.skill-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.skill-description a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.skill-description a:hover {
    color: var(--color-accent-purple);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */

.projects {
    padding: var(--space-24) 0;
    background: var(--color-bg-card);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.project-card {
    position: relative;
    background: var(--color-bg);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 1;
}

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

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.15);
}

.project-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.project-image {
    height: 280px;
    position: relative;
    overflow: hidden;
}

.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-screenshot {
    transform: scale(1.05);
}

.hili-notes-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-project {
    color: var(--color-text-inverse);
    font-weight: 600;
    font-size: var(--text-base);
}

.project-info {
    padding: var(--space-6);
}

.project-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.project-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-card);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
}

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

.project-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Enhanced Project Card Styles */
.project-value-prop {
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--space-3);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.project-status {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-status.launched {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
}

.project-status.mvp {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: white;
}

.project-status.in-dev {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
}

.project-role {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    font-weight: 500;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-tag {
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================
   USER FLOW IMPROVEMENTS
   ============================================ */

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    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-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Case Study Navigation */
.case-study-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8) 0;
    margin-top: var(--space-12);
    border-top: 1px solid var(--color-border);
}

.case-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--color-text);
}

.case-nav-link:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.case-nav-link.prev {
    flex-direction: row;
}

.case-nav-link.next {
    flex-direction: row-reverse;
    text-align: right;
}

.case-nav-label {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-nav-title {
    font-size: var(--text-base);
    font-weight: 600;
}

/* Section Dividers for Case Studies */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-border) 50%, transparent 100%);
    margin: var(--space-12) 0;
}

/* Active Navigation State */
.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Progress Indicator for Case Studies */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 1001;
    transition: width 0.1s ease-out;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    padding: var(--space-24) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.testimonial-content p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: var(--text-sm);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: var(--text-sm);
    color: var(--color-text);
}

.author-info span {
    font-size: var(--text-xs);
    color: var(--color-text-light);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1a1a2e 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr auto;
    }
}

.contact .section-label {
    color: var(--color-primary-light);
}

.contact .section-title {
    color: var(--color-text-inverse);
}

.contact-description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    max-width: 500px;
    margin-bottom: var(--space-8);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-inverse);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

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

.contact-link-icon {
    font-size: var(--text-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-link-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.75;
    transition: transform var(--transition-base);
}

.contact-link:hover .contact-link-icon svg {
    transform: translateX(-3px);
}

.contact-cta {
    text-align: center;
}

.contact .contact-cta .btn-secondary {
    border-color: rgba(255, 255, 255, 0.4);
    color: #FFFFFF;
}

.contact .contact-cta .btn-secondary svg,
.contact .contact-cta .btn-secondary i {
    color: #FFFFFF;
}

.contact .contact-cta .btn-secondary:hover {
    border-color: #FFFFFF;
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

/* Icon Hover Effect */
.icon-hover i,
.icon-hover svg {
    transition: transform var(--transition-base), color var(--transition-fast);
}

.icon-hover:hover i,
.icon-hover:hover svg {
    transform: scale(1.1);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--space-12) 0 var(--space-8);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-logo {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-inverse);
    letter-spacing: 0.05em;
}

.footer-brand p {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
}

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

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

.footer-links a:hover {
    color: var(--color-text-inverse);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
    font-size: var(--text-sm);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}