/* global styles */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --bg-black: #000000;
    --bg-dark-grey: #121212;
    --accent-red: #ff3b30;
    --accent-yellow: #ffcc00;
    --text-white: #ffffff;
    --text-grey: #86868b;
    --glass-bg: rgba(22, 22, 23, 0.75);
    --glass-border: rgba(255, 255, 255, 0.12);
}

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

html {
    scroll-padding-top: 140px;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, .navbar-brand {
    font-family: 'Outfit', sans-serif;
}

/* container wrapper */
.main-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* glassmorphism */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
}

/* premium button */
.btn-apple {
    font-family: 'Outfit', sans-serif;
    background-color: var(--text-white);
    color: var(--bg-black);
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    border: 1px solid transparent;
}

.btn-apple:hover {
    background-color: #f5f5f7;
    transform: scale(1.02);
    color: var(--bg-black);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.08);
}

.btn-accent {
    background-color: var(--accent-red);
    color: white;
}

.btn-accent:hover {
    background-color: #ff453a;
    transform: scale(1.02);
    color: white;
    box-shadow: 0 10px 25px rgba(255, 59, 48, 0.25);
}

/* typography */
.h-xl {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.p-lead {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--text-grey);
    font-weight: 400;
    max-width: 700px;
}

/* footer styles */
.site-footer {
    padding: 80px 0 40px;
    background: #000;
    border-top: 1px solid var(--glass-border);
}

.footer-link {
    color: var(--text-grey);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

.footer-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

/* animations */
@keyframes revealUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    animation: revealUp 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; opacity: 0; }
.delay-2 { animation-delay: 0.4s; opacity: 0; }