/* ═══════════════════════════════════════════════════
   AgendaZello Landing Page — Design System
   ═══════════════════════════════════════════════════ */

/* ── Web Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ── */
:root {
    --az-navy: #0b1c30;
    --az-navy-light: #213145;
    --az-navy-dark: #00174b;
    --az-emerald: #2563eb;
    --az-emerald-light: #004ac6;
    --az-cyan: #0053db;
    --az-cyan-light: #b4c5ff;
    --az-gradient: linear-gradient(135deg, #2563eb, #0053db);
    --az-gradient-hover: linear-gradient(135deg, #004ac6, #003ea8);
    --az-gradient-soft: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(0,83,219,0.1));
    --az-bg: #f8f9ff;
    --az-bg-alt: #eff4ff;
    --az-card: #ffffff;
    --az-border: #c3c6d7;
    --az-text: #0b1c30;
    --az-text-light: #434655;
    --az-text-muted: #737686;
    --az-shadow-sm: 0 1px 2px rgba(11,28,48,0.05);
    --az-shadow: 0 4px 16px rgba(11,28,48,0.08);
    --az-shadow-lg: 0 12px 40px rgba(11,28,48,0.12);
    --az-shadow-glow: 0 0 40px rgba(37,99,235,0.15);
    --az-radius: 12px;
    --az-radius-lg: 20px;
    --az-radius-xl: 28px;
    --az-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: 'Lexend', sans-serif;
    color: var(--az-text);
    background: var(--az-bg);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Lexend', sans-serif;
    color: var(--az-navy);
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.gradient-text {
    background: var(--az-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--az-transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
    border-radius: 14px;
}

.btn-gradient {
    background: var(--az-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(16,185,129,0.3);
}

.btn-gradient:hover {
    background: var(--az-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(16,185,129,0.4);
}

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

.btn-outline:hover {
    border-color: var(--az-emerald);
    color: var(--az-emerald);
    background: rgba(16,185,129,0.05);
}

.btn-ghost {
    background: transparent;
    color: var(--az-navy);
}

.btn-ghost:hover {
    color: var(--az-emerald);
}

.btn-white {
    background: #fff;
    color: var(--az-navy);
    box-shadow: var(--az-shadow);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--az-shadow-lg);
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ═════ NAVBAR ═════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--az-transition);
}

.navbar.scrolled {
    padding: 8px 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--az-border);
    box-shadow: var(--az-shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo img {
    height: 40px;
    transition: var(--az-transition);
}

.navbar-links {
    display: flex;
    gap: 32px;
}

.navbar-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--az-navy);
    position: relative;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--az-gradient);
    transition: var(--az-transition);
    border-radius: 2px;
}

.navbar-links a:hover::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--az-navy);
    border-radius: 2px;
    transition: var(--az-transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ═════ HERO ═════ */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fff 0%, var(--az-bg) 100%);
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.07;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--az-emerald);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--az-cyan);
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--az-gradient);
    top: 40%;
    left: 50%;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-3deg); }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--az-emerald);
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.2);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--az-text-light);
    max-width: 520px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--az-navy);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--az-text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--az-border);
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--az-card);
    border-radius: var(--az-radius-xl);
    box-shadow: var(--az-shadow-lg);
    overflow: hidden;
    border: 1px solid var(--az-border);
    animation: heroFloat 6s ease-in-out infinite;
}

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

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--az-bg-alt);
    border-bottom: 1px solid var(--az-border);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.preview-url {
    font-size: 0.72rem;
    color: var(--az-text-muted);
    font-family: monospace;
}

.preview-body {
    display: flex;
    min-height: 200px;
    overflow: hidden;
}

.preview-sidebar {
    width: 140px;
    background: var(--az-navy);
    padding: 16px 0;
    flex-shrink: 0;
}

.sidebar-item {
    padding: 8px 16px;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: var(--az-transition);
}

.sidebar-item.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-right: 2px solid var(--az-emerald);
}

.preview-content {
    flex: 1;
    padding: 16px;
}

.preview-card.card-welcome {
    background: var(--az-gradient-soft);
    border: 1px solid rgba(16,185,129,0.15);
    border-radius: var(--az-radius);
    padding: 16px;
    margin-bottom: 14px;
    position: relative;
}

.emoji-float {
    font-size: 1.2rem;
}

.preview-card h4 {
    font-size: 0.85rem;
    margin-top: 4px;
}

.preview-card p {
    font-size: 0.72rem;
    color: var(--az-text-light);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.preview-mini-card {
    background: var(--az-bg);
    border: 1px solid var(--az-border);
    border-radius: 10px;
    padding: 12px 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.mini-icon { font-size: 1.2rem; }
.mini-number { font-size: 1.1rem; font-weight: 800; color: var(--az-navy); }
.mini-label { font-size: 0.65rem; color: var(--az-text-muted); }

/* ═════ SECTION HEADERS ═════ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--az-emerald);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--az-text-light);
}

/* ═════ FEATURES ═════ */
.features {
    padding: 100px 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--az-card);
    border: 1px solid var(--az-border);
    border-radius: var(--az-radius-lg);
    padding: 36px 28px;
    transition: var(--az-transition);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--az-shadow-lg);
    border-color: rgba(16,185,129,0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-icon.gradient-bg {
    background: var(--az-gradient-soft);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--az-text-light);
    line-height: 1.6;
}

/* ═════ MODULES ═════ */
.modules {
    padding: 100px 0;
    background: var(--az-bg);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.module-card {
    background: var(--az-card);
    border: 1px solid var(--az-border);
    border-radius: var(--az-radius-lg);
    padding: 32px 28px;
    transition: var(--az-transition);
    opacity: 0;
    transform: translateY(30px);
}

.module-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--az-shadow);
}

.module-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.module-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.module-card p {
    font-size: 0.88rem;
    color: var(--az-text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.module-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.module-features li {
    font-size: 0.82rem;
    color: var(--az-text);
    font-weight: 500;
}

/* ═════ PRICING ═════ */
.pricing {
    padding: 100px 0;
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.pricing-card {
    background: var(--az-card);
    border: 1px solid var(--az-border);
    border-radius: var(--az-radius-xl);
    padding: 36px 28px;
    text-align: center;
    transition: var(--az-transition);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.pricing-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.pricing-featured {
    border-color: var(--az-emerald);
    box-shadow: var(--az-shadow-glow);
    transform: scale(1.04);
}

.pricing-featured.visible {
    transform: scale(1.04);
}

.pricing-featured:hover {
    transform: scale(1.06);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--az-gradient);
    color: #fff;
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-header h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.pricing-desc {
    font-size: 0.85rem;
    color: var(--az-text-light);
    margin-bottom: 24px;
}

.pricing-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    margin-bottom: 6px;
}

.price-currency {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--az-navy);
    margin-top: 8px;
}

.price-value {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--az-navy);
    line-height: 1;
}

.price-period {
    font-size: 0.85rem;
    color: var(--az-text-muted);
    align-self: flex-end;
    margin-bottom: 4px;
}

.pricing-yearly {
    font-size: 0.8rem;
    color: var(--az-text-muted);
    margin-bottom: 24px;
}

.save-badge {
    display: inline-block;
    background: rgba(16,185,129,0.1);
    color: var(--az-emerald);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.72rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-features li {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--az-text);
}

.pricing-features li.disabled {
    color: var(--az-text-muted);
    text-decoration: line-through;
}

/* ═════ CTA ═════ */
.cta {
    padding: 100px 0;
    background: var(--az-navy);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--az-emerald);
    border-radius: 50%;
    opacity: 0.05;
    top: -200px;
    right: -100px;
}

.cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255,255,255,0.7);
    font-size: 1.05rem;
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ═════ FOOTER ═════ */
.footer {
    background: var(--az-navy-dark);
    padding: 60px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem;
    margin-top: 16px;
    line-height: 1.6;
    max-width: 300px;
}

.footer-links h4 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    transition: var(--az-transition);
}

.footer-links a:hover {
    color: var(--az-emerald);
}

.footer-bottom {
    padding: 20px 0;
}

.footer-bottom p {
    color: rgba(255,255,255,0.3);
    font-size: 0.82rem;
    text-align: center;
}

/* ═════ RESPONSIVE ═════ */

/* Hide mobile-actions by default (they show inside hamburger menu) */
.mobile-actions { display: none; }

@media (max-width: 1024px) {
    .hero h1 { font-size: 2.6rem; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-content { order: 1; }
    .hero-visual { order: 2; max-width: 480px; margin: 0 auto; width: 100%; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .features-grid, .modules-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .dashboard-preview { max-width: 100%; overflow: hidden; }
}

@media (max-width: 768px) {
    /* Navbar */
    .navbar-links, .navbar-actions { display: none; }
    .navbar-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding: 20px 24px;
        gap: 14px;
        border-bottom: 1px solid var(--az-border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        z-index: 999;
    }
    .navbar-links.active .mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding-top: 14px;
        margin-top: 4px;
        border-top: 1px solid var(--az-border);
    }
    .hamburger { display: flex; }

    /* Hero */
    .hero { padding: 110px 0 50px; min-height: auto; overflow-x: hidden; }
    .hero h1 { font-size: 1.8rem; line-height: 1.3; word-break: break-word; }
    .hero-subtitle { font-size: 0.92rem; }
    .hero-visual { max-width: 100%; padding: 0 4px; }
    .dashboard-preview { font-size: 0.8rem; border-radius: 16px; }
    .preview-sidebar { width: 90px; font-size: 0.7rem; }
    .preview-content { padding: 10px; }
    .preview-card { padding: 10px; }
    .preview-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .preview-mini-card { padding: 8px 4px; }
    .mini-number { font-size: 0.9rem; }
    .mini-label { font-size: 0.6rem; }

    /* Sections */
    .section-header h2 { font-size: 1.5rem; }
    .features-grid, .modules-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
    .pricing-featured { transform: none; }
    .pricing-featured.visible { transform: none; }
    .footer-inner { grid-template-columns: 1fr; }
    .cta h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .hero { padding: 100px 0 40px; }
    .hero h1 { font-size: 1.55rem; line-height: 1.25; }
    .hero-subtitle { font-size: 0.88rem; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-stats { gap: 12px; }
    .stat-divider { display: none; }
    .hero-stats { justify-content: center; }

    /* Dashboard preview compact on small screens */
    .dashboard-preview { border-radius: 12px; }
    .preview-body { flex-direction: column; min-height: auto; }
    .preview-sidebar { 
        width: 100%;
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        padding: 8px 12px;
        gap: 4px;
        scrollbar-width: none;
    }
    .preview-sidebar::-webkit-scrollbar { display: none; }
    .sidebar-item { white-space: nowrap; font-size: 0.65rem; padding: 6px 10px; border-radius: 6px; }
    .sidebar-item.active { border-right: none; border-bottom: 2px solid var(--az-emerald); }
    .preview-content { padding: 10px; }
    .preview-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .preview-mini-card { padding: 8px 4px; }

    .btn-lg { padding: 14px 20px; font-size: 0.9rem; }
    .container { padding: 0 16px; }
    .section-header h2 { font-size: 1.4rem; }
    .section-header p { font-size: 0.88rem; }
    .hero-badge { font-size: 0.75rem; }
}