/* ============================================
   MenuQR SaaS - Premium Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
    --primary: #6C5CE7;
    --primary-light: #A29BFE;
    --primary-dark: #5A4BD1;
    --secondary: #00CEC9;
    --secondary-light: #55EFC4;
    --accent: #FD79A8;
    --accent-light: #FDCB6E;

    --dark: #0A0A1A;
    --dark-100: #12122B;
    --dark-200: #1A1A3E;
    --dark-300: #252550;
    --dark-400: #353566;

    --light: #FAFBFF;
    --light-100: #F0F1F8;
    --light-200: #E4E6F0;
    --light-300: #C8CAD8;

    --success: #00B894;
    --warning: #FDCB6E;
    --danger: #E17055;
    --info: #74B9FF;

    --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
    --gradient-secondary: linear-gradient(135deg, #00CEC9 0%, #55EFC4 100%);
    --gradient-accent: linear-gradient(135deg, #FD79A8 0%, #FDCB6E 100%);
    --gradient-dark: linear-gradient(135deg, #0A0A1A 0%, #1A1A3E 100%);
    --gradient-hero: linear-gradient(135deg, #0A0A1A 0%, #1A1A3E 50%, #252550 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    --shadow-sm: 0 2px 8px rgba(108,92,231,0.08);
    --shadow-md: 0 4px 20px rgba(108,92,231,0.12);
    --shadow-lg: 0 8px 40px rgba(108,92,231,0.18);
    --shadow-xl: 0 20px 60px rgba(108,92,231,0.25);
    --shadow-glow: 0 0 40px rgba(108,92,231,0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;

    --transition-fast: 0.15s ease;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-primary);
    color: var(--dark);
    background: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Typography --- */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }

/* --- Navbar --- */
.navbar-menuqr {
    background: rgba(10,10,26,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(108,92,231,0.15);
    padding: 0.8rem 0;
    transition: var(--transition);
    position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
}
.navbar-menuqr .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800; font-size: 1.5rem;
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.navbar-menuqr .nav-link {
    color: rgba(255,255,255,0.7); font-weight: 500; padding: 0.5rem 1rem;
    transition: var(--transition); position: relative;
}
.navbar-menuqr .nav-link:hover, .navbar-menuqr .nav-link.active { color: #fff; }
.navbar-menuqr .nav-link.active::after {
    content: ''; position: absolute; bottom: 0; left: 1rem; right: 1rem;
    height: 2px; background: var(--gradient-primary); border-radius: 2px;
}
.btn-nav-login {
    background: transparent; border: 1.5px solid var(--primary-light);
    color: var(--primary-light); border-radius: var(--radius-full); padding: 0.4rem 1.5rem;
    font-weight: 600; transition: var(--transition);
}
.btn-nav-login:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-nav-cta {
    background: var(--gradient-primary); border: none;
    color: #fff; border-radius: var(--radius-full); padding: 0.4rem 1.5rem;
    font-weight: 600; transition: var(--transition); box-shadow: var(--shadow-md);
}
.btn-nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }

/* --- Hero Section --- */
.hero-section {
    background: var(--gradient-hero); min-height: 100vh;
    display: flex; align-items: center; position: relative;
    overflow: hidden; padding-top: 80px;
}
.hero-section::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 800px; height: 800px; border-radius: 50%;
    background: radial-gradient(circle, rgba(108,92,231,0.15) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}
.hero-section::after {
    content: ''; position: absolute; bottom: -30%; left: -10%;
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(0,206,201,0.1) 0%, transparent 70%);
    animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}
@keyframes heroGlow {
    0% { transform: scale(1) translate(0,0); }
    100% { transform: scale(1.2) translate(30px, -20px); }
}
.hero-content { position: relative; z-index: 2; }
.hero-content h1 {
    color: #fff; font-weight: 900; margin-bottom: 1.5rem;
    font-size: clamp(2.5rem, 6vw, 4rem);
}
.hero-content h1 span {
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-content p { color: rgba(255,255,255,0.7); font-size: 1.2rem; max-width: 540px; margin-bottom: 2rem; }
.hero-visual { position: relative; z-index: 2; }
.hero-phone-mockup {
    width: 280px; height: 560px; margin: 0 auto;
    background: var(--dark-200); border-radius: 36px;
    border: 3px solid var(--dark-300); position: relative;
    overflow: hidden; box-shadow: var(--shadow-xl);
    animation: phoneFloat 6s ease-in-out infinite;
}
@keyframes phoneFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}
.hero-phone-mockup .phone-screen {
    position: absolute; top: 12px; left: 12px; right: 12px; bottom: 12px;
    border-radius: 28px; overflow: hidden;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}
.phone-screen .menu-preview { padding: 16px; }
.phone-screen .menu-preview .restaurant-header {
    text-align: center; padding: 20px 0 12px;
}
.phone-screen .menu-preview .restaurant-header h4 { color: #fff; font-size: 14px; margin-bottom: 4px; }
.phone-screen .menu-preview .restaurant-header p { color: rgba(255,255,255,0.5); font-size: 10px; }
.phone-screen .menu-item-preview {
    background: rgba(255,255,255,0.08); border-radius: 12px;
    padding: 10px; margin-bottom: 8px; display: flex; gap: 10px;
    backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.05);
    animation: slideUp 0.5s ease forwards;
    opacity: 0;
}
.phone-screen .menu-item-preview:nth-child(2) { animation-delay: 0.1s; }
.phone-screen .menu-item-preview:nth-child(3) { animation-delay: 0.2s; }
.phone-screen .menu-item-preview:nth-child(4) { animation-delay: 0.3s; }
@keyframes slideUp { to { opacity: 1; transform: translateY(0); } from { opacity: 0; transform: translateY(10px); } }
.phone-screen .item-img { width: 50px; height: 50px; border-radius: 10px; background: var(--gradient-primary); flex-shrink: 0; }
.phone-screen .item-info h5 { color: #fff; font-size: 11px; margin-bottom: 2px; }
.phone-screen .item-info p { color: rgba(255,255,255,0.4); font-size: 9px; margin-bottom: 4px; }
.phone-screen .item-price { color: var(--secondary); font-size: 12px; font-weight: 700; }

/* --- Buttons --- */
.btn-primary-gradient {
    background: var(--gradient-primary); border: none; color: #fff;
    border-radius: var(--radius-full); padding: 0.75rem 2rem;
    font-weight: 600; font-size: 1rem; transition: var(--transition);
    box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.btn-primary-gradient:hover {
    transform: translateY(-3px); box-shadow: var(--shadow-lg); color: #fff;
}
.btn-primary-gradient::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}
.btn-primary-gradient:hover::after { left: 100%; }

.btn-outline-primary-custom {
    background: transparent; border: 2px solid var(--primary-light);
    color: var(--primary-light); border-radius: var(--radius-full);
    padding: 0.7rem 2rem; font-weight: 600; transition: var(--transition);
}
.btn-outline-primary-custom:hover {
    background: var(--primary); color: #fff; border-color: var(--primary);
    transform: translateY(-2px);
}

/* --- Section Styles --- */
.section-padding { padding: 5rem 0; }
.section-dark { background: var(--gradient-hero); }
.section-light { background: var(--light); }
.section-title {
    text-align: center; margin-bottom: 3.5rem;
}
.section-title h2 { margin-bottom: 1rem; }
.section-title .subtitle {
    color: var(--dark-400); font-size: 1.1rem; max-width: 600px; margin: 0 auto;
}
.section-title .badge-label {
    display: inline-block; padding: 0.35rem 1rem; border-radius: var(--radius-full);
    background: rgba(108,92,231,0.1); color: var(--primary); font-size: 0.85rem;
    font-weight: 600; margin-bottom: 1rem; letter-spacing: 0.5px;
}

/* --- Feature Cards --- */
.feature-card {
    background: #fff; border-radius: var(--radius-lg); padding: 2rem;
    border: 1px solid var(--light-200); transition: var(--transition);
    height: 100%; position: relative; overflow: hidden;
}
.feature-card:hover {
    transform: translateY(-8px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.feature-card .feature-icon {
    width: 60px; height: 60px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 1.2rem;
    background: var(--gradient-primary); color: #fff;
}
.feature-card:nth-child(2) .feature-icon { background: var(--gradient-secondary); }
.feature-card:nth-child(3) .feature-icon { background: var(--gradient-accent); }
.feature-card h4 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.feature-card p { color: var(--dark-400); font-size: 0.95rem; }

/* --- Pricing Cards --- */
.pricing-card {
    background: #fff; border-radius: var(--radius-xl); padding: 2.5rem;
    border: 1px solid var(--light-200); transition: var(--transition);
    position: relative; text-align: center;
}
.pricing-card.popular {
    border: 2px solid var(--primary); transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
.pricing-card.popular .popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--gradient-primary); color: #fff; padding: 0.3rem 1.5rem;
    border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600;
}
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pricing-card.popular:hover { transform: scale(1.05) translateY(-5px); }
.pricing-card .plan-name {
    font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 0.5rem;
}
.pricing-card .plan-price {
    font-size: 3rem; font-weight: 800; color: var(--primary); margin-bottom: 0.3rem;
    font-family: var(--font-heading);
}
.pricing-card .plan-price span { font-size: 1rem; color: var(--dark-400); font-weight: 400; }
.pricing-card .plan-period { color: var(--dark-400); margin-bottom: 1.5rem; }
.pricing-card .plan-features { list-style: none; padding: 0; margin-bottom: 2rem; text-align: left; }
.pricing-card .plan-features li {
    padding: 0.5rem 0; color: var(--dark-300); font-size: 0.95rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.pricing-card .plan-features li::before { content: '✓'; color: var(--success); font-weight: 700; }

/* --- Stats --- */
.stats-section { background: var(--gradient-hero); }
.stat-item { text-align: center; padding: 2rem; }
.stat-item .stat-number {
    font-size: 3rem; font-weight: 800; font-family: var(--font-heading);
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-item .stat-label { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-top: 0.3rem; }

/* --- Testimonials --- */
.testimonial-card {
    background: #fff; border-radius: var(--radius-lg); padding: 2rem;
    border: 1px solid var(--light-200); transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card .stars { color: var(--warning); margin-bottom: 1rem; font-size: 1.1rem; }
.testimonial-card .quote { color: var(--dark-300); font-style: italic; margin-bottom: 1.2rem; }
.testimonial-card .author { display: flex; align-items: center; gap: 0.8rem; }
.testimonial-card .author-avatar {
    width: 45px; height: 45px; border-radius: 50%;
    background: var(--gradient-primary); display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 1.1rem;
}
.testimonial-card .author-name { font-weight: 600; font-size: 0.95rem; }
.testimonial-card .author-role { color: var(--dark-400); font-size: 0.85rem; }

/* --- Footer --- */
.footer {
    background: var(--dark); color: rgba(255,255,255,0.6); padding: 4rem 0 2rem;
}
.footer h5 { color: #fff; font-family: var(--font-heading); margin-bottom: 1.2rem; }
.footer a { color: rgba(255,255,255,0.6); text-decoration: none; transition: var(--transition); }
.footer a:hover { color: var(--primary-light); }
.footer .footer-links { list-style: none; padding: 0; }
.footer .footer-links li { margin-bottom: 0.6rem; }
.footer .footer-brand {
    font-family: var(--font-heading); font-weight: 800; font-size: 1.5rem;
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 1rem; display: inline-block;
}
.footer .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; margin-top: 3rem;
    text-align: center; font-size: 0.9rem;
}

/* --- Auth Pages --- */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--gradient-hero); padding: 80px 0 40px;
}
.auth-card {
    background: rgba(255,255,255,0.03); backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-xl);
    padding: 2.5rem; width: 100%; max-width: 460px;
}
.auth-card h2 { color: #fff; text-align: center; margin-bottom: 0.5rem; }
.auth-card .auth-subtitle { color: rgba(255,255,255,0.5); text-align: center; margin-bottom: 2rem; }
.auth-card .form-control {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    color: #fff; border-radius: var(--radius-md); padding: 0.75rem 1rem;
    transition: var(--transition);
}
.auth-card .form-control:focus {
    background: rgba(255,255,255,0.08); border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.15); color: #fff;
}
.auth-card .form-control::placeholder { color: rgba(255,255,255,0.3); }
.auth-card .form-label { color: rgba(255,255,255,0.7); font-weight: 500; }
.auth-card .form-check-input { background-color: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.2); }
.auth-card .form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }
.auth-card .btn-primary-gradient { width: 100%; padding: 0.8rem; font-size: 1rem; }
.auth-card .auth-link { color: var(--primary-light); text-decoration: none; }
.auth-card .auth-link:hover { color: #fff; }

/* --- Glass Card --- */
.glass-card {
    background: rgba(255,255,255,0.05); backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg);
}

/* --- Alert Styles --- */
.alert-custom {
    border-radius: var(--radius-md); border: none; padding: 1rem 1.5rem;
    display: flex; align-items: center; gap: 0.8rem; font-weight: 500;
    animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.alert-custom.alert-success { background: rgba(0,184,148,0.12); color: var(--success); }
.alert-custom.alert-danger { background: rgba(225,112,85,0.12); color: var(--danger); }
.alert-custom.alert-warning { background: rgba(253,203,110,0.12); color: var(--warning); }
.alert-custom.alert-info { background: rgba(116,185,255,0.12); color: var(--info); }

/* --- Scroll Animations --- */
.fade-up { opacity: 0; transform: translateY(30px); transition: var(--transition-slow); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Contact Form --- */
.contact-section .form-control {
    border: 1px solid var(--light-200); border-radius: var(--radius-md);
    padding: 0.8rem 1rem; transition: var(--transition);
}
.contact-section .form-control:focus {
    border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,92,231,0.1);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-section { text-align: center; padding-top: 100px; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-phone-mockup { width: 220px; height: 440px; margin-top: 2rem; }
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-5px); }
    .section-padding { padding: 3rem 0; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--light-100); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }