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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--slate-50);
    color: var(--slate-800);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== HEADER ===== */
.header {
    background: white;
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--slate-900);
}

.logo-icon { font-size: 1.75rem; }

.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    text-decoration: none;
    color: var(--slate-600);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--slate-100);
}

.nav-link.highlight {
    background: var(--primary);
    color: white;
}

.nav-link.highlight:hover {
    background: var(--primary-dark);
    color: white;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: white;
    color: var(--slate-700);
    border: 2px solid var(--slate-200);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== HERO ===== */
.hero {
    padding: 4rem 0 6rem;
    background: linear-gradient(180deg, white 0%, var(--slate-50) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--slate-900);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--slate-600);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--slate-900);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--slate-500);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    height: 580px;
    background: var(--slate-900);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.mock-header {
    background: var(--primary);
    color: white;
    padding: 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mock-services {
    padding: 1rem;
    flex: 1;
}

.mock-service {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.mock-service.active {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.mock-calendar {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    justify-content: center;
}

.mock-day {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--slate-100);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--slate-600);
}

.mock-day.active {
    background: var(--primary);
    color: white;
}

.mock-btn {
    margin: 1rem;
    padding: 1rem;
    background: var(--primary);
    color: white;
    text-align: center;
    border-radius: var(--radius);
    font-weight: 700;
}

/* ===== FEATURES ===== */
.features {
    padding: 5rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--slate-900);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--slate-50);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--slate-900);
}

.feature-card p {
    color: var(--slate-600);
    font-size: 0.95rem;
}

/* ===== FOR SALONS ===== */
.for-salons {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--slate-900), var(--slate-800));
}

.salon-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cta-badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    color: var(--primary-light);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.salon-cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.salon-cta-content p {
    font-size: 1.1rem;
    color: var(--slate-300);
    margin-bottom: 2rem;
}

.cta-features {
    list-style: none;
    margin-bottom: 2rem;
}

.cta-features li {
    color: var(--slate-300);
    padding: 0.5rem 0;
    font-size: 1rem;
}

/* Dashboard Preview */
.dashboard-preview {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.dash-header {
    background: var(--slate-100);
    padding: 1rem 1.5rem;
    font-weight: 700;
    color: var(--slate-700);
}

.dash-stats {
    display: flex;
    padding: 1.5rem;
    gap: 1rem;
}

.dash-stat {
    flex: 1;
    text-align: center;
    padding: 1rem;
    background: var(--slate-50);
    border-radius: var(--radius);
}

.dash-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.dash-label {
    font-size: 0.8rem;
    color: var(--slate-500);
}

.dash-appointments {
    padding: 0 1.5rem 1.5rem;
}

.dash-apt {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    background: var(--slate-50);
    font-size: 0.9rem;
}

.dash-apt.active {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary-light);
}

.dash-apt-status {
    color: var(--success);
    font-weight: 700;
}

.dash-apt-status.pending {
    color: var(--warning);
}

/* ===== CATEGORIES ===== */
.categories {
    padding: 5rem 0;
    background: var(--slate-50);
}

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

.category-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    border: 2px solid var(--slate-200);
    transition: all 0.3s;
    opacity: 0.7;
}

.category-card.active {
    opacity: 1;
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--slate-900);
}

.category-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.category-status.live {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.category-status.soon {
    background: var(--slate-100);
    color: var(--slate-500);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--slate-700);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-brand p {
    margin-left: 0.5rem;
    color: var(--slate-500);
}

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

.footer-links a {
    color: var(--slate-400);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-desc { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { margin-top: 3rem; }
    
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .salon-cta { grid-template-columns: 1fr; }
    .salon-cta-visual { order: -1; }
}

@media (max-width: 768px) {
    .header .container { height: 60px; }
    .nav { display: none; }
    
    .hero { padding: 2rem 0 4rem; }
    .hero h1 { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    .hero-stats { flex-direction: column; gap: 1rem; }
    
    .phone-mockup { width: 260px; height: 500px; }
    
    .features-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    
    .section-title { font-size: 1.75rem; }
    .salon-cta-content h2 { font-size: 2rem; }
    
    .footer-content { flex-direction: column; gap: 1.5rem; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}