/* ==========================
   CSS VARIABLES
   ========================== */
:root {
    --primary-color: #cf5600;
    --primary-hover: #fa6800;
    --bg-dark: #0f1115;
    --bg-card: #181b21;
    --bg-card-hover: #1f232a;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #2e3440;
    --glow-shadow: 0 0 15px rgba(207, 86, 0, 0.4);

    --header-height: 80px;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(207, 86, 0, 0.3);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================
   BUTTONS
   ========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 10px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--glow-shadow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 0 25px rgba(207, 86, 0, 0.6);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 2px solid var(--border-color);
}

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

/* ==========================
   MAIN CONTENT WRAPPER
   ========================== */
.main-content {
    flex: 1;
    margin-top: var(--header-height);
}

/* Apple Dark / glass system, matching the reference layout. */
:root {
    --bg-color: #000;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent-color: #FF5700;
    --accent-purple: #ff8a3d;
    --glass-bg: rgba(25, 25, 25, .4);
    --glass-border: rgba(255, 255, 255, .1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, .5);
    --blur: blur(20px);
    --radius-pill: 50px;
    --radius-card: 28px;
    --primary-color: var(--accent-color);
    --primary-hover: #ff7429;
    --bg-dark: var(--bg-color);
    --bg-card: var(--glass-bg);
    --bg-card-hover: rgba(255, 255, 255, .08);
    --text-main: var(--text-primary);
    --text-muted: var(--text-secondary);
    --border-color: var(--glass-border);
    --glow-shadow: 0 8px 32px rgba(0, 0, 0, .5);
    --header-height: 72px;
    --container-width: 1200px;
}

* { -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Montserrat", sans-serif; background: var(--bg-color); line-height: 1.5; }
.ambient-background { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: #000; }
.ambient-sphere { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .5; animation: ambient-float 20s infinite alternate; }
.sphere-1 { width: 400px; height: 400px; top: -10%; left: -10%; background: rgba(255, 87, 0, .4); }
.sphere-2 { width: 500px; height: 500px; right: -10%; bottom: -20%; background: rgba(255, 138, 61, .3); animation-delay: -5s; }
.sphere-3 { width: 300px; height: 300px; top: 40%; left: 50%; background: rgba(226, 54, 112, .2); animation-delay: -10s; }
@keyframes ambient-float { from { transform: translate(0) scale(1); } to { transform: translate(50px, 50px) scale(1.2); } }
.highlight { color: transparent; text-shadow: none; background: linear-gradient(135deg, var(--accent-color), var(--accent-purple)); -webkit-background-clip: text; background-clip: text; }
.btn { padding: 12px 24px; border: 1px solid var(--glass-border); border-radius: var(--radius-pill); background: var(--glass-bg); color: var(--text-primary); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); transition: all .3s cubic-bezier(.16, 1, .3, 1); position: relative; overflow: hidden; }
.btn:hover { background: rgba(255,255,255,.15); transform: scale(1.02); box-shadow: 0 5px 15px rgba(0,0,0,.3); }
.btn-primary { background: var(--text-primary); color: #000; border: 0; box-shadow: none; }
.btn-primary:hover { background: #fff; box-shadow: 0 0 20px rgba(255,255,255,.4); }
.btn-outline { border: 1px solid var(--glass-border); }
.animate-up { opacity: 0; transform: translateY(40px); transition: all .8s cubic-bezier(.16, 1, .3, 1); }
.animate-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; } .delay-2 { transition-delay: .2s; } .delay-3 { transition-delay: .3s; } .delay-4 { transition-delay: .4s; }