/* ========================================
   PREMIUM DARK PORTFOLIO STYLES
   Glassmorphic, Animated, Interactive
   ======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Mesh Gradient Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    opacity: 1;
    z-index: var(--z-background);
    animation: mesh-shift 20s ease infinite;
}

@keyframes mesh-shift {

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

    25% {
        transform: translate(5%, -5%) scale(1.1);
    }

    50% {
        transform: translate(-5%, 5%) scale(0.9);
    }

    75% {
        transform: translate(5%, 5%) scale(1.05);
    }
}

/* Noise Texture Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: var(--z-background);
    opacity: 0.5;
}

/* ========== LAYOUT ========== */
.container {
    max-width: var(--width-container);
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: var(--z-content);
}

.container-narrow {
    max-width: var(--width-narrow);
}

section {
    padding: var(--space-20) 0;
    position: relative;
}

/* ========== TYPOGRAPHY ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-6);
}

h2 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-5);
}

h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

p {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

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

.text-glow {
    text-shadow: var(--glow-blue);
}

/* Text Reveal Masking */
.reveal-text {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
    line-height: 1.1;
    overflow: hidden;
    display: block;
}

.reveal-text>* {
    transform: translateY(100%);
    display: inline-block;
}

html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

/* ==

========== GLASS COMPONENTS ========== */
.glass {
    background: var(--glass-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--glass-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.glass:hover::before {
    opacity: 1;
}

/* ========== NAVIGATION ========== */
.navbar {
    position: fixed;
    top: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-sticky);
    padding: var(--space-4) var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-8);
    animation: slideDown 0.6s var(--transition-bounce);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    position: relative;
}

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

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

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

.nav-links a.active {
    color: var(--text-primary);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), var(--glow-blue);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--glow-blue);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: var(--glass-light);
    border-color: var(--accent-blue);
}

/* ========== CARDS ========== */
.card {
    background: var(--glass-light);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: var(--shadow-xl), var(--glow-blue);
}

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

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

/* ========== FORMS ========== */
input,
textarea,
select {
    width: 100%;
    padding: var(--space-4);
    background: var(--glass-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1), var(--glow-blue);
}

/* ========== ANIMATIONS ========== */
.fade-in {
    animation: fadeIn 0.6s var(--transition-base);
}

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

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

.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

.stagger-4 {
    animation-delay: 0.4s;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    h1 {
        font-size: var(--text-4xl);
    }

    h2 {
        font-size: var(--text-3xl);
    }

    .navbar {
        width: calc(100% - var(--space-8));
        padding: var(--space-3) var(--space-4);
    }

    .nav-links {
        gap: var(--space-4);
    }

    section {
        padding: var(--space-12) 0;
    }

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