:root {
    --primary: #0070f3;
    --primary-dark: #0051af;
    --secondary: #0ea5e9;
    --accent: #06b6d4;
    --bg-dark: #05070a;
    --bg-alt: #0a0f18;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

p {
    color: var(--text-dim);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

header.scrolled {
    padding: 0.8rem 5%;
    background: rgba(5, 7, 10, 0.95);
    box-shadow: var(--shadow-md);
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: -0.5px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
    opacity: 0.7;
}

nav a:hover,
nav a.active {
    color: var(--primary);
    opacity: 1;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 5% 60px;
    position: relative;
    overflow: hidden;
    background: var(--bg-dark);
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.8;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.hero-content span {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 700;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-main);
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: var(--text-dim);
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 25px rgba(0, 112, 243, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 112, 243, 0.4);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

/* Sections */
section {
    padding: 120px 10%;
    max-width: 1600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header span {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    font-weight: 700;
    display: block;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.underline {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-card);
    padding: 50px 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 112, 243, 0.2);
}

.card i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    display: block;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

/* Features List */
.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--text-dim);
}

.feature-list i {
    font-size: 1rem;
    margin-bottom: 0;
    -webkit-text-fill-color: var(--primary);
}

/* Image Content Blocks */
.content-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
}

.content-block.reverse {
    flex-direction: row-reverse;
}

.content-text {
    flex: 1;
}

.content-image {
    flex: 1;
}

.content-image img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-xl);
    border: 8px solid var(--bg-card);
}

/* Footer */
footer {
    background: var(--bg-alt);
    padding: 100px 10% 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-col h4 {
    margin-bottom: 30px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-main);
}

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

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul a {
    color: var(--text-dim);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {

    .content-block,
    .content-block.reverse {
        flex-direction: column;
        gap: 40px;
    }

    nav {
        display: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 5%;
    }

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

/* Animations */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}