/* ========== VARIABLES & THEME ========== */
:root {
    /* Colors */
    --primary: #F59E0B; /* Vibrant Amber */
    --primary-dark: #D97706;
    --primary-light: #FEF3C7;
    
    --secondary: #0F172A; /* Slate 900 */
    --secondary-light: #1E293B; /* Slate 800 */
    
    --text-main: #1E293B; /* Slate 800 */
    --text-muted: #64748B; /* Slate 500 */
    --text-light: #94A3B8; /* Slate 400 */
    --text-white: #FFFFFF;
    
    --bg-body: #FFFFFF;
    --bg-gray: #F8FAFC; /* Slate 50 */
    --bg-dark: #0F172A;
    
    --border: #E2E8F0; /* Slate 200 */
    
    --success: #10B981;
    --danger: #EF4444;

    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Layout */
    --max-width: 1280px;
    --header-height: 80px;
    --radius: 0.75rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

button, input, textarea {
    font-family: inherit;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: 1rem; }

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* ========== LAYOUT ========== */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 5rem 0;
}

.section-gray {
    background-color: var(--bg-gray);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 3rem 0; }
}

/* ========== COMPONENTS ========== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.4);
}

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

.btn-outline:hover {
    background: white;
    color: var(--secondary);
    border-color: white;
}

.btn-text {
    background: transparent;
    color: var(--primary);
    padding: 0;
}
.btn-text:hover { color: var(--primary-dark); text-decoration: underline; }

/* Navbar */
.header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 72px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}


.nav-link {
    font-weight: 500;
        line-height: 3;
    color: var(--text-main);
}
@media screen and (max-width: 768px) {
    .nav-link {
        line-height: 1.2;
    }
}
    
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-main);
}

/* Hero */
.hero {
    padding: 4rem 0 6rem;
    background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.05), transparent 40%),
                radial-gradient(circle at bottom left, rgba(15, 23, 42, 0.05), transparent 40%);
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    background: white;
}

/* Cards */
.card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Steps */
.step-card {
    text-align: center;
    position: relative;
    padding: 1rem;
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

/* CTA Section */
.cta-section {
    background: var(--secondary);
    color: white;
    text-align: center;
    border-radius: 2rem;
    margin: 4rem auto;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.2), transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-top {
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--secondary-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Mobile Menu */
@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
    }
    .nav-links.active { display: flex; }
    .hero { text-align: center; }
    .hero-content { margin: 0 auto 3rem; }
    .cta-section { border-radius: 0; margin: 0; }
}