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

:root {
    /* Color Palette */
    --primary: #1be475; /* Premium WhatsApp Green */
    --primary-glow: rgba(27, 228, 117, 0.2);
    --bg-dark: #0a0a0c;
    --bg-card: #151518;
    --text-main: #f8f9fa;
    --text-muted: #94a3b8;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Spacing & Sizing */
    --section-padding: 100px 5%;
    --section-padding-mobile: 60px 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1, h2, h3, h4, .brand-font {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

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

ul {
    list-style: none;
}

button, .btn {
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
}

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

.section {
    padding: var(--section-padding);
}

@media (max-width: 768px) {
    .section {
        padding: var(--section-padding-mobile);
    }
}

/* Button Styles */
.btn {
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--primary-glow);
}

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

.btn-outline:hover {
    background: var(--glass);
    border-color: var(--primary);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 5%;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 32px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a:hover {
    color: var(--primary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--glass-border);
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat(auto-fit"] {
        grid-template-columns: 1fr !important;
    }
    
    .glass-card {
        padding: 20px !important;
    }
}

/* Hero Section */
.hero {
    padding-top: 180px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    .hero-btns .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px var(--primary-glow);
    z-index: 999;
}

/* Responsive Mobile Menu Trigger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
}

@media (max-width: 991px) {
    header {
        padding: 15px 5%;
    }
    .menu-toggle {
        display: flex;
    }
    nav {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        padding: 40px;
        border-bottom: 1px solid var(--border-subtle);
        transform: translateY(-120%);
        transition: 0.4s ease;
        z-index: 999;
        display: block;
    }
    nav.active {
        transform: translateY(0);
    }
    nav ul {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }
    .nav-cta {
        display: none;
    }
}

/* Animations & Reveals */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.stagger-reveal > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.stagger-reveal.active > * {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for children */
.stagger-reveal.active > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-reveal.active > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-reveal.active > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-reveal.active > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-reveal.active > *:nth-child(5) { transition-delay: 0.5s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float-anim {
    animation: float 4s ease-in-out infinite;
}

/* Custom Scrollbar for premium feel */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}