/* 
  Senten Brand Identity: Ethereal Obsidian
  Reference: Origin (useorigin.com)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

:root {
    --bg-obsidian: #050505;
    --acc-indigo: #6366f1;
    --acc-azure: #3b82f6;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Atmosphere */
#bg-atmosphere {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: url('../assets/bg.png') no-repeat center center;
    background-size: cover;
    filter: brightness(0.4);
    animation: kenBurns 40s infinite alternate;
}

#bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-obsidian) 100%);
}

@keyframes kenBurns {
    from { transform: scale(1); }
    to { transform: scale(1.15); }
}

/* Typography */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.italic {
    font-style: italic;
    font-family: 'Playfair Display', serif;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: #fff; /* Fallback */
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 160px 0;
}

/* Header/Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 30px 0;
    z-index: 100;
    background: linear-gradient(to bottom, var(--bg-obsidian) 0%, transparent 100%);
}

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

.logo {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
    position: relative;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 24px;
    color: #ffffff; /* Explicitly set color */
}

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 36px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: #ffffff;
    color: #000000;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Glassmorphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 60px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Components */
#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}