/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - Modern Digital Media Palette */
    --primary-purple: #8b5cf6;
    --primary-cyan: #06b6d4;
    --primary-pink: #ec4899;
    --primary-dark: #0f0f23;
    --secondary-dark: #1a1a2e;
    --accent-gray: #64748b;
    --light-gray: #f8fafc;
    --white: #ffffff;
    --neon-green: #00ff88;
    --electric-blue: #0099ff;

    /* Gradients */
    --gradient-primary: linear-gradient(
        135deg,
        var(--primary-purple),
        var(--primary-pink)
    );
    --gradient-secondary: linear-gradient(
        135deg,
        var(--primary-dark),
        var(--secondary-dark)
    );
    --gradient-accent: linear-gradient(
        135deg,
        var(--primary-cyan),
        var(--neon-green)
    );
    --gradient-electric: linear-gradient(
        135deg,
        var(--electric-blue),
        var(--primary-cyan)
    );

    /* Typography */
    --font-primary: "Roboto Slab", serif;
    --font-secondary: "Poppins", sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;

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

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-media: 0 8px 32px rgba(139, 92, 246, 0.3);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.4);

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

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

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--primary-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--fs-5xl);
}
h2 {
    font-size: var(--fs-4xl);
}
h3 {
    font-size: var(--fs-3xl);
}
h4 {
    font-size: var(--fs-2xl);
}
h5 {
    font-size: var(--fs-xl);
}
h6 {
    font-size: var(--fs-lg);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-gray);
}

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

ul,
ol {
    list-style: none;
}

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

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}

.d-flex {
    display: flex;
}
.d-grid {
    display: grid;
}
.d-block {
    display: block;
}
.d-none {
    display: none;
}

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

.w-full {
    width: 100%;
}
.h-full {
    height: 100%;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: var(--fs-base);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-media);
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--primary-purple);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-hexagon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: var(--fs-sm);
    color: var(--white);
}

.brand-text {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: var(--fs-xl);
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-family: var(--font-secondary);
    font-weight: 500;
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(
        135deg,
        var(--primary-dark) 0%,
        var(--secondary-dark) 50%,
        #16213e 100%
    );
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-md);
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: var(--fs-6xl);
    line-height: 0.9;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: -2px;
}

.title-line {
    display: block;
    position: relative;
}

.title-line.accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
}

.hero-subtitle {
    font-size: var(--fs-xl);
    color: var(--light-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hexagon-grid {
    position: relative;
    width: 300px;
    height: 300px;
}

.hexagon {
    position: absolute;
    width: 80px;
    height: 80px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.hex-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    animation-delay: 0s;
}

.hex-2 {
    top: 25%;
    right: 0;
    background: var(--gradient-accent);
    animation-delay: 1s;
}

.hex-3 {
    bottom: 25%;
    right: 0;
    background: var(--gradient-electric);
    animation-delay: 2s;
}

.hex-4 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    animation-delay: 3s;
}

.hex-5 {
    bottom: 25%;
    left: 0;
    background: linear-gradient(
        135deg,
        var(--primary-pink),
        var(--primary-cyan)
    );
    animation-delay: 4s;
}

.hex-6 {
    top: 25%;
    left: 0;
    background: var(--gradient-accent);
    animation-delay: 5s;
}

.tech-stats {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: var(--fs-2xl);
    color: var(--primary-cyan);
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(
            circle at 25% 25%,
            rgba(139, 92, 246, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 75% 75%,
            rgba(6, 182, 212, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 50% 10%,
            rgba(236, 72, 153, 0.08) 0%,
            transparent 40%
        );
    animation: patternMove 20s linear infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes patternMove {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(50px, 50px) rotate(360deg);
    }
}

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

.section-title {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: var(--fs-4xl);
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --fs-6xl: 2.5rem;
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --spacing-3xl: 3rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-dark);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: var(--transition-normal);
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-visual {
        height: 300px;
    }

    .hexagon-grid {
        width: 200px;
        height: 200px;
    }

    .hexagon {
        width: 50px;
        height: 50px;
    }

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

    .tech-stats {
        position: static;
        transform: none;
        margin-top: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}