/* ============================================
   Robô de Vendas V2 — Landing Page Styles
   Professional Sales Landing Page
   Design System: Space Grotesk + ADS4PROS v2 Tokens
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #2563EB;
    --primary-hover: #073060;
    --primary-dark: #1e40af;
    --primary-light: #3585e0;
    --primary-bg: #eff6ff;

    --success: #25d366;
    --success-hover: #1da851;
    --success-light: #34d399;
    --success-bg: #f0fdf4;

    --whatsapp: #25d366;
    --whatsapp-hover: #1da851;

    --navy-900: #0f172a;
    --navy-800: #1e293b;
    --navy-700: #334155;
    --navy-600: #475569;

    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    --text-primary: #1E293B;
    --bg-page: #F8FAFC;

    --white: #ffffff;
    --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: 0.2s ease;
    --transition-slow: 0.4s ease;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger > .reveal:nth-child(1) { transition-delay: 0.1s; }
.stagger > .reveal:nth-child(2) { transition-delay: 0.2s; }
.stagger > .reveal:nth-child(3) { transition-delay: 0.3s; }
.stagger > .reveal:nth-child(4) { transition-delay: 0.4s; }
.stagger > .reveal:nth-child(5) { transition-delay: 0.5s; }
.stagger > .reveal:nth-child(6) { transition-delay: 0.6s; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn svg {
    flex-shrink: 0;
}

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

.btn-primary:hover {
    background: var(--success-hover);
    border-color: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline-dark {
    background: transparent;
    color: var(--navy-900);
    border-color: var(--gray-300);
}

.btn-outline-dark:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-white {
    background: var(--white);
    color: var(--navy-900);
    border-color: var(--white);
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

/* --- Section Titles --- */
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 12px;
}

.text-center {
    text-align: center;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header-logo img {
    height: 40px;
    width: auto;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--success);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.header-nav a:hover {
    color: var(--white);
}

.header-nav a:hover::after {
    width: 100%;
}

.header-cta .btn {
    padding: 10px 24px;
    font-size: 0.875rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 5px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ============================================
   MOBILE NAV - Slide-in
   ============================================ */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--navy-900);
    z-index: 1200;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.mobile-nav-close:hover {
    color: var(--white);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 8px;
}

.mobile-nav-links a {
    padding: 14px 16px;
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.mobile-nav-links a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
}

.mobile-nav-links .btn {
    margin-top: 16px;
    text-align: center;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    background: var(--navy-900);
    padding: 110px 0 60px;
    position: relative;
    overflow: hidden;
    min-height: 74vh;
    display: flex;
    align-items: center;
}

/* Animated gradient background */
.hero-bg-animation {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        var(--navy-900) 0%,
        #0f1d3a 25%,
        #162033 50%,
        #0a1628 75%,
        var(--navy-900) 100%
    );
    background-size: 400% 400%;
    animation: hero-gradient 15s ease infinite;
    z-index: 0;
}

@keyframes hero-gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.hero > .container {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-badge svg {
    color: var(--success);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero h1 span {
    background: linear-gradient(135deg, #25d366, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* WhatsApp Chat Mockup */
.chat-mockup {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
    max-width: 380px;
    margin-left: auto;
    animation: float 6s ease-in-out infinite;
}

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

.chat-header {
    background: linear-gradient(135deg, #075e54, #128c7e);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.chat-name {
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-status {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #25d366;
    border-radius: 50%;
}

.chat-body {
    background: #e5ddd5;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8bfb3' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 320px;
}

.msg {
    max-width: 85%;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    position: relative;
    animation: msgIn 0.4s ease;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg-time {
    font-size: 0.65rem;
    color: rgba(0, 0, 0, 0.4);
    text-align: right;
    margin-top: 4px;
}

.msg-in {
    background: var(--white);
    align-self: flex-start;
    border-top-left-radius: 2px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.msg-in::before {
    content: '';
    position: absolute;
    top: 0;
    left: -6px;
    width: 0;
    height: 0;
    border-top: 6px solid var(--white);
    border-left: 6px solid transparent;
}

.msg-out {
    background: #dcf8c6;
    align-self: flex-end;
    border-top-right-radius: 2px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.msg-out::before {
    content: '';
    position: absolute;
    top: 0;
    right: -6px;
    width: 0;
    height: 0;
    border-top: 6px solid #dcf8c6;
    border-right: 6px solid transparent;
}

.msg-typing {
    background: var(--white);
    align-self: flex-start;
    border-top-left-radius: 2px;
    display: flex;
    gap: 5px;
    padding: 14px 18px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.msg-typing span {
    width: 7px;
    height: 7px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite;
}

.msg-typing span:nth-child(2) { animation-delay: 0.2s; }
.msg-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* Áudio simulado (WhatsApp PTT — Push to Talk) */
.msg-audio {
    min-width: 220px;
    padding: 10px 12px 8px;
}

.audio-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.audio-play {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #25d366;
    color: white;
    border: 0;
    padding: 0;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.audio-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 9px solid #fff;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin-left: 3px;
}

.audio-waveform {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    height: 24px;
}
.audio-waveform span {
    flex: 1;
    min-width: 2px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 2px;
    animation: audioWave 1.6s ease-in-out infinite;
}
.msg-out .audio-waveform span { background: rgba(0, 80, 30, 0.35); }
.audio-waveform span:nth-child(1)  { animation-delay: 0.00s; height: 35%; }
.audio-waveform span:nth-child(2)  { animation-delay: 0.05s; height: 50%; }
.audio-waveform span:nth-child(3)  { animation-delay: 0.10s; height: 75%; }
.audio-waveform span:nth-child(4)  { animation-delay: 0.15s; height: 90%; }
.audio-waveform span:nth-child(5)  { animation-delay: 0.20s; height: 65%; }
.audio-waveform span:nth-child(6)  { animation-delay: 0.25s; height: 80%; }
.audio-waveform span:nth-child(7)  { animation-delay: 0.30s; height: 100%; }
.audio-waveform span:nth-child(8)  { animation-delay: 0.35s; height: 70%; }
.audio-waveform span:nth-child(9)  { animation-delay: 0.40s; height: 55%; }
.audio-waveform span:nth-child(10) { animation-delay: 0.45s; height: 85%; }
.audio-waveform span:nth-child(11) { animation-delay: 0.50s; height: 95%; }
.audio-waveform span:nth-child(12) { animation-delay: 0.55s; height: 60%; }
.audio-waveform span:nth-child(13) { animation-delay: 0.60s; height: 75%; }
.audio-waveform span:nth-child(14) { animation-delay: 0.65s; height: 45%; }
.audio-waveform span:nth-child(15) { animation-delay: 0.70s; height: 80%; }
.audio-waveform span:nth-child(16) { animation-delay: 0.75s; height: 50%; }
.audio-waveform span:nth-child(17) { animation-delay: 0.80s; height: 65%; }
.audio-waveform span:nth-child(18) { animation-delay: 0.85s; height: 35%; }

@keyframes audioWave {
    0%, 100% { transform: scaleY(0.55); }
    50%      { transform: scaleY(1); }
}

.audio-duration {
    font-size: 0.7rem;
    color: rgba(0, 0, 0, 0.5);
    margin-left: 6px;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.msg-audio .msg-time {
    margin-top: 4px;
}

/* Chat carousel — 3 cenários (pré-vendas / delivery / imobiliária) */
.chat-carousel {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin-left: auto;
}

.chat-carousel-slides {
    position: relative;
    min-height: 480px;
}

.chat-mockup-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
    pointer-events: none;
}

.chat-mockup-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0s linear 0s;
    pointer-events: auto;
}

.chat-carousel-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.chat-carousel-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.28);
    border: 0;
    padding: 0;
    cursor: pointer;
    transition: background 0.3s ease, width 0.3s ease, border-radius 0.3s ease;
}

.chat-carousel-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.chat-carousel-dot.active {
    background: var(--success);
    width: 28px;
    border-radius: 5px;
}

.chat-carousel-dot:focus-visible {
    outline: 2px solid var(--success);
    outline-offset: 3px;
}

/* ============================================
   SOCIAL PROOF BAR
   ============================================ */
.social-proof {
    background: var(--navy-800);
    padding: 36px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.proof-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.proof-icon svg {
    stroke: var(--primary-light);
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.proof-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
}

.proof-label {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problems {
    padding: 100px 0;
    background: var(--white);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.problem-card {
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    border-top: 3px solid #fca5a5;
    transition: all 0.3s ease;
}

.problem-card:hover {
    border-color: #fca5a5;
    border-top-color: #ef4444;
    background: #fef2f2;
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 52px;
    height: 52px;
    background: #fee2e2;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-icon svg {
    stroke: #dc2626;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 10px;
}

.problem-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   SOLUTION / FEATURES
   ============================================ */
.features {
    padding: 100px 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    transition: all 0.3s ease;
}

.feature-card[data-accent="#7c3aed"] { border-top-color: #7c3aed; }
.feature-card[data-accent="#0891b2"] { border-top-color: #0891b2; }
.feature-card[data-accent="#128c7e"] { border-top-color: #128c7e; }
.feature-card[data-accent="#16a34a"] { border-top-color: #16a34a; }
.feature-card[data-accent="#dc2626"] { border-top-color: #dc2626; }

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gray-200);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    stroke: var(--primary);
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: 100px 0;
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--success));
    opacity: 0.3;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ============================================
   TEST BOT CTA
   ============================================ */
.test-bot {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
}
.test-bot-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}
.test-bot-content { color: white; }
.test-bot-visual { animation: float 3s ease-in-out infinite; }
.test-bot .btn:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4); }
@media (max-width: 768px) {
    .test-bot-card { grid-template-columns: 1fr; text-align: center; }
    .test-bot-content p { margin-left: auto; margin-right: auto; }
    .test-bot-visual { display: none; }
}

/* ============================================
   PRICING
   ============================================ */
.pricing {
    padding: 100px 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
    margin-top: 48px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border: 2px solid var(--success);
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl), 0 0 0 4px rgba(37, 211, 102, 0.1);
    z-index: 2;
    padding: 48px 32px 40px;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-6px);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--success), #1da851);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.popular-badge svg {
    flex-shrink: 0;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.pricing-setup {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.pricing-setup strong {
    color: var(--navy-900);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--navy-900);
    line-height: 1;
    margin-bottom: 4px;
}

.pricing-price .currency {
    font-size: 1.2rem;
    font-weight: 600;
    vertical-align: super;
}

.pricing-period {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.pricing-savings {
    display: inline-block;
    background: #f0fdf4;
    color: #16a34a;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 24px;
    border: 1px solid #bbf7d0;
}

.pricing-features {
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    stroke: var(--success);
    fill: none;
    stroke-width: 2.5;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-card.popular .btn-primary {
    font-size: 1rem;
    padding: 16px;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    padding: 100px 0;
    background: var(--white);
}

.faq-list {
    max-width: 760px;
    margin: 48px auto 0;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--gray-300);
}

.faq-item.open {
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.08);
}

.faq-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy-900);
    cursor: pointer;
    border: none;
    background: none;
    text-align: left;
    transition: background var(--transition);
}

.faq-trigger:hover {
    background: var(--gray-50);
}

.faq-icon {
    flex-shrink: 0;
    margin-left: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy-900) 0%, #0c2d48 40%, #0f3460 70%, #0a3d2e 100%);
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-final::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-final h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-final .section-subtitle {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 40px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: left;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-family);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--success);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    width: 100%;
    margin-top: 8px;
    padding: 16px;
    font-size: 1rem;
}

/* Form success state */
.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 48px 24px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-success .success-icon {
    width: 80px;
    height: 80px;
    background: rgba(37, 211, 102, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.form-success p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-900);
    padding: 32px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-logo img {
    height: 32px;
    width: auto;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray-400);
    transition: color var(--transition);
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
    transition: all var(--transition);
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: var(--white);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto 36px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .chat-mockup {
        margin: 0 auto;
        max-width: 340px;
    }

    .problems-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .steps-grid::before {
        display: none;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-6px);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header-nav,
    .header-cta {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .problems-grid,
    .features-grid,
    .pricing-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-final h2 {
        font-size: 1.75rem;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .pricing-card.popular {
        transform: scale(1);
        box-shadow: var(--shadow-xl), 0 0 0 3px rgba(37, 211, 102, 0.1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-6px);
    }

    .pricing-card .btn,
    .hero-buttons .btn,
    .cta-final .btn {
        width: 100%;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .pricing-card {
        padding: 28px 20px;
    }

    .contact-form {
        padding: 24px;
    }

    .proof-grid {
        grid-template-columns: 1fr 1fr;
    }
}