/* ===== CELEIRO AI — Landing Page Styles ===== */

:root {
    --accent: #a3e635;
    --accent-dark: #84cc16;
    --accent-glow: rgba(163, 230, 53, 0.25);
    --green-1: #22c55e;
    --green-2: #16a34a;
    --green-3: #166534;
    --bg-dark: #0a0f0a;
    --bg-section: #f8faf5;
    --bg-card: #ffffff;
    --text-dark: #1a1a1a;
    --text-body: #4a4a4a;
    --text-muted: #888;
    --border: #e5e7e0;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 2px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Ensure all top-level sections are full width */
body > nav,
body > section,
body > footer,
body > .modal-overlay {
    width: 100%;
    flex-shrink: 0;
}


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

.text-accent { color: var(--accent-dark); }

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

/* ==========================================================================
   LOADING SCREEN
   ========================================================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-dark); /* Fundo escuro do tema */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-logo {
    width: 80px;
    height: auto;
    animation: pulseLogo 1.5s infinite ease-in-out;
    filter: drop-shadow(0 0 15px rgba(22, 163, 74, 0.4));
}

@keyframes pulseLogo {
    0% {
        transform: scale(0.9);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
        filter: drop-shadow(0 0 25px rgba(22, 163, 74, 0.8));
    }
    100% {
        transform: scale(0.9);
        opacity: 0.7;
    }
}

/* ==========================================================================
   COMPONENTS - NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 800;
    font-size: 1.4rem;
}

.nav-logo-img { width: 36px; height: 36px; border-radius: 8px; }

.nav-logo-text .text-accent { color: var(--accent-dark); }

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-body);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--green-2); }

.nav-actions { display: flex; gap: 12px; align-items: center; }

.btn-login {
    background: none;
    border: 1.5px solid var(--border);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    color: var(--text-dark);
    font-family: inherit;
}

.btn-login:hover { border-color: var(--green-2); color: var(--green-2); }

.btn-cta-nav {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-cta-nav:hover { background: var(--accent-dark); transform: translateY(-1px); }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,15,10,0.85) 0%, rgba(10,15,10,0.6) 50%, rgba(10,15,10,0.4) 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(163,230,53,0.15);
    border: 1px solid rgba(163,230,53,0.3);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-title .text-accent { color: var(--accent); }

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

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

.btn-primary-lg {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-primary-lg:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }

.btn-secondary-lg {
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid rgba(255,255,255,0.3);
    transition: all 0.3s;
}

.btn-secondary-lg:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.hero-stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* Hero card */
.hero-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    overflow: hidden;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-card-header {
    padding: 16px 20px;
    background: rgba(163,230,53,0.12);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-card-body {
    padding: 20px;
    color: #fff;
}

.hero-card-body p { font-size: 0.9rem; margin-bottom: 14px; }

.hero-card-items { display: flex; flex-direction: column; gap: 10px; }

.hero-card-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    padding: 10px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    line-height: 1.4;
}

.hero-card-item span { flex-shrink: 0; }

.hero-card-footer {
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-card-footer a {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== ABOUT ===== */
.about {
    padding: 100px 0;
    background: var(--bg-section);
}

.about-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
}

.about-tab {
    padding: 10px 22px;
    border-radius: 50px;
    border: 1.5px solid var(--border);
    background: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    color: var(--text-body);
}

.about-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-panel { display: none; }
.about-panel.active { display: block; }

.about-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--green-2);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.about-heading {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.about-text {
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 28px;
    font-size: 1rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 1.5px solid var(--text-dark);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-outline:hover { background: var(--text-dark); color: #fff; }

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-stat-card {
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 200px;
    position: relative;
}

.about-stat-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

.about-stat-card.accent {
    background: var(--accent);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-stat-card.accent-alt {
    background: var(--bg-dark);
    color: #fff;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-stat-card.accent-alt .about-stat-big { color: var(--accent); }

.about-stat-big {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 4px;
}

.about-stat-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-stat-card p { font-size: 0.8rem; line-height: 1.5; opacity: 0.85; }

/* ===== SECTION COMMON ===== */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(34,197,94,0.1);
    color: var(--green-2);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header-center {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-header-center h2 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-header-center p {
    color: var(--text-body);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ===== MODULES ===== */
.modules {
    padding: 100px 0;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-dark);
}

.module-card.featured {
    background: var(--bg-dark);
    color: #fff;
    border-color: var(--bg-dark);
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 36px;
}

.module-card.featured .module-icon {
    background: rgba(163,230,53,0.15);
    color: var(--accent);
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
}

.module-card.featured h3 { font-size: 1.3rem; }
.module-card.featured p { color: rgba(255,255,255,0.7); }

.module-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 16px;
    background: rgba(34,197,94,0.1);
    color: var(--green-2);
}

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

.module-card p {
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.5;
    margin-bottom: 12px;
}

.module-ai-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(163,230,53,0.15);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.module-highlight {
    display: inline-block;
    background: rgba(34,197,94,0.08);
    color: var(--green-2);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
}

/* ===== AI ASSISTANT ===== */
.ai-assistant {
    padding: 100px 0;
    background: var(--bg-dark);
    color: #fff;
}

.ai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-content .section-badge {
    background: rgba(163,230,53,0.1);
    color: var(--accent);
}

.ai-content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.ai-content h2 .text-accent { color: var(--accent); }

.ai-content p {
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 28px;
}

.ai-features { display: flex; flex-direction: column; gap: 12px; }

.ai-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

.ai-feature i { color: var(--accent); font-size: 0.8rem; }

/* Chat Demo */
.chat-demo {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    overflow: hidden;
}

.chat-demo-header {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 0.85rem;
    font-weight: 600;
}

.chat-demo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
}

.chat-demo-dot:first-child { background: #ef4444; }
.chat-demo-dot:nth-child(2) { background: #f59e0b; }
.chat-demo-dot:nth-child(3) { background: #22c55e; }

.chat-demo-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 380px;
    overflow-y: auto;
}

.chat-msg.user { text-align: right; }

.chat-msg.user .chat-bubble {
    background: var(--accent);
    color: var(--bg-dark);
    display: inline-block;
    padding: 12px 18px;
    border-radius: 16px 16px 4px 16px;
    font-size: 0.9rem;
    font-weight: 500;
}

.chat-msg.ai {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(163,230,53,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.chat-msg.ai .chat-bubble {
    background: rgba(255,255,255,0.06);
    padding: 14px 18px;
    border-radius: 4px 16px 16px 16px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.85);
}

.chat-msg.ai .chat-bubble p { margin-bottom: 8px; color: rgba(255,255,255,0.85); }
.chat-msg.ai .chat-bubble p:last-child { margin-bottom: 0; }

.chat-demo-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.chat-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.chat-chips span {
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.15);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: all 0.2s;
}

.chat-chips span:hover { border-color: var(--accent); color: var(--accent); }

/* ===== DIFFERENTIALS ===== */
.differentials {
    padding: 100px 0;
    background: var(--bg-section);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.diff-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s;
}

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

.diff-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 18px;
    background: var(--accent);
    color: var(--bg-dark);
}

.diff-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.diff-card p {
    color: var(--text-body);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* Featured Differential - Visita Técnica */
.diff-card.featured-diff {
    grid-column: 1 / -1;
    background: var(--bg-dark);
    color: #fff;
    border-color: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 40px;
}

.diff-card.featured-diff h3 { font-size: 1.3rem; }
.diff-card.featured-diff p { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 16px; }

.diff-card.featured-diff .diff-icon {
    background: rgba(163,230,53,0.15);
    color: var(--accent);
}

.diff-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(163,230,53,0.12);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
}

/* Pricing Implementation Note */
.pricing-note {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-top: 40px;
    padding: 28px 32px;
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent-dark);
    border-radius: var(--radius-sm);
}

.pricing-note-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(34,197,94,0.1);
    color: var(--green-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.pricing-note-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.pricing-note-content p {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* Comparison */
.comparison {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
    overflow: hidden;
}

.comparison h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 24px;
    text-align: center;
}

.comp-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
    font-size: 0.9rem;
}

.comp-row.header {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comp-row:last-child { border-bottom: none; }

.comp-old { text-align: center; }
.comp-new { text-align: center; font-weight: 600; color: var(--green-2); }

.comp-old .fa-times { color: #ef4444; }
.comp-old .fa-check { color: var(--text-muted); }
.comp-new .fa-check { color: var(--green-2); margin-right: 4px; }

/* ===== TECH SECTION ===== */
.tech-section {
    padding: 100px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tech-content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.tech-content h2 .text-accent { color: var(--accent-dark); }

.tech-content > p {
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 32px;
}

.tech-features { display: flex; flex-direction: column; gap: 20px; }

.tech-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.tech-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(34,197,94,0.1);
    color: var(--green-2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.tech-feature h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.tech-feature p {
    font-size: 0.85rem;
    color: var(--text-body);
    line-height: 1.5;
}

/* Phone Mockup */
.tech-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 320px;
    height: 660px;
    background: var(--bg-dark);
    border-radius: 44px;
    padding: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 0 0 2px rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.phone-notch {
    width: 100px;
    height: 28px;
    background: var(--bg-dark);
    border-radius: 0 0 18px 18px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.phone-screen {
    border-radius: 32px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
}

/* ===== SCREENSHOTS ===== */
.screenshots {
    padding: 100px 0;
    background: var(--bg-section);
}

.desktop-mockup { perspective: 1000px; }

.browser-frame {
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    transform: rotateX(2deg);
    transition: transform 0.5s;
}

.browser-frame:hover { transform: rotateX(0deg); }

.browser-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: #1a1a1a;
}

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

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #333;
}

.browser-dots span:first-child { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #f59e0b; }
.browser-dots span:nth-child(3) { background: #22c55e; }

.browser-url {
    flex: 1;
    background: #2a2a2a;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.75rem;
    color: #888;
}

.browser-screen {
    width: 100%;
    display: block;
}

/* ===== PRICING ===== */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all 0.3s;
    position: relative;
}

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

.pricing-card.popular {
    border-color: var(--accent-dark);
    box-shadow: 0 8px 40px var(--accent-glow);
    transform: scale(1.04);
}

.pricing-card.popular:hover { transform: scale(1.04) translateY(-4px); }

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 800;
}

.pricing-header h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.pricing-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 28px;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.price-currency { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); }
.price-value { font-size: 3rem; font-weight: 900; color: var(--text-dark); }
.price-period { font-size: 0.9rem; color: var(--text-muted); margin-left: 4px; }

.pricing-features {
    list-style: none;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pricing-features li {
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-body);
}

.pricing-features li i { font-size: 0.8rem; }
.pricing-features li .fa-check { color: var(--green-2); }
.pricing-features li .fa-times { color: #ccc; }
.pricing-features li.disabled { color: #bbb; }

.btn-pricing {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 50px;
    border: 1.5px solid var(--border);
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-pricing:hover { border-color: var(--accent-dark); color: var(--accent-dark); }

.btn-pricing-main {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 50px;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: none;
}

.btn-pricing-main:hover { background: var(--accent-dark); transform: translateY(-2px); }

/* ===== CONTACT ===== */
.contact {
    padding: 100px 0;
    background: var(--bg-section);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.contact-info h2 .text-accent { color: var(--accent-dark); }

.contact-info > p {
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-body);
}

.contact-item i { color: var(--green-2); width: 20px; }

.contact-social {
    display: flex;
    gap: 12px;
}

.contact-social a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
    text-decoration: none;
    transition: all 0.2s;
}

.contact-social a:hover { background: var(--accent); border-color: var(--accent); color: var(--bg-dark); }

/* Contact Form */
.contact-form-wrap {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-dark);
    transition: border-color 0.2s;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea { resize: vertical; }

.btn-submit {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 50px;
    background: var(--accent);
    color: var(--bg-dark);
    font-size: 1rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-submit:hover { background: var(--accent-dark); transform: translateY(-2px); }

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo-img { width: 32px; height: 32px; border-radius: 8px; }

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: all 0.2s;
}

.footer-social a:hover { background: var(--accent); color: var(--bg-dark); }

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 5px 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
}

/* ===== LOGIN MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    animation: fadeInUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.modal-logo h3 { font-size: 1.3rem; font-weight: 800; }

.modal-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.login-form .form-group { margin-bottom: 16px; }

.form-row-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.8rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-body);
    cursor: pointer;
}

.forgot-link {
    color: var(--green-2);
    text-decoration: none;
    font-weight: 600;
}

.btn-login-submit {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 50px;
    background: var(--accent);
    color: var(--bg-dark);
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-login-submit:hover { background: var(--accent-dark); }

.modal-footer-text {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.modal-footer-text a { color: var(--green-2); font-weight: 600; text-decoration: none; }

/* ===== RESPONSIVE ===== */
@media(max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; gap: 40px; }
    .hero-title { font-size: 2.8rem; }
    .about-grid { grid-template-columns: 1fr; }
    .modules-grid { grid-template-columns: repeat(2, 1fr); }
    .module-card.featured { grid-column: 1 / -1; }
    .ai-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .tech-mockup { order: -1; }
    .diff-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-4px); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media(max-width: 768px) {
    .nav-links { display: none; }
    .btn-cta-nav { display: none; }
    .nav-toggle { display: block; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    }

    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-actions { flex-direction: column; }
    .hero-stats { gap: 24px; }
    .hero-card { display: none; }

    .section-header-center h2 { font-size: 2rem; }
    .about-heading { font-size: 1.7rem; }

    .modules-grid { grid-template-columns: 1fr; }
    .module-card.featured { grid-template-columns: 1fr; }
    .diff-grid { grid-template-columns: 1fr; }
    .about-stats-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }

    .phone-frame { width: 260px; height: 540px; }

    .comp-row { grid-template-columns: 1.5fr 0.8fr 1.2fr; font-size: 0.78rem; }
}

/* ===== ANIMATIONS ===== */
.module-card,
.diff-card,
.pricing-card,
.tech-feature {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.module-card.visible,
.diff-card.visible,
.pricing-card.visible,
.tech-feature.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-decoration: none;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-float .whatsapp-tooltip {
    position: absolute;
    right: 76px;
    background: var(--bg-dark);
    color: #f1f5f9;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-float .whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--bg-dark);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 18px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 1.7rem;
    }
    .whatsapp-float .whatsapp-tooltip {
        display: none;
    }
}