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

/* ==========================================
   DESIGN VARIABLES & SYSTEM
   ========================================== */
:root {
    --bg-dark: #021a15;
    --bg-card: rgba(3, 40, 33, 0.45);
    --bg-card-hover: rgba(3, 40, 33, 0.65);
    --border-color: rgba(20, 184, 166, 0.12);
    --border-hover: rgba(20, 184, 166, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --primary-color: #038464;
    --primary-glow: rgba(3, 132, 100, 0.15);
    --secondary-color: #10b981;
    --secondary-glow: rgba(16, 185, 129, 0.15);
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    /* Light Theme Palette variables */
    --bg-light-cream: #f4f6f4;
    --bg-card-light: #ffffff;
    --border-color-light: rgba(3, 33, 26, 0.08);
    --border-hover-light: rgba(3, 132, 100, 0.25);
    --text-primary-light: #03211a;
    --text-secondary-light: #475569;
    --text-muted-light: #71717a;

    --gradient-primary: linear-gradient(135deg, #038464 0%, #10b981 100%);
    --gradient-dark: linear-gradient(180deg, #031c17 0%, #010d0a 100%);
    --gradient-text: linear-gradient(135deg, #f8fafc 30%, #cbd5e1 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);

    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 9999px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

body::before {
    content: '';
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(6, 182, 212, 0.02) 50%, transparent 100%);
    z-index: -1;
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

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

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

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.text-accent-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.title-large {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
}

.title-section {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.subtitle-section {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.section-alt {
    background: var(--gradient-dark);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 968px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(3, 132, 100, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(3, 132, 100, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366;
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
    background-color: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.glass-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    background: var(--bg-card-hover);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.badge-green {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--accent-emerald);
}

.workflow-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.workflow-step:hover {
    border-color: var(--border-hover);
    background: rgba(15, 23, 42, 0.50);
}

.workflow-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
}

.faq-item.active {
    border-color: var(--border-hover);
    background: rgba(15, 23, 42, 0.6);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 1.75rem 1.5rem 1.75rem;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-icon {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    stroke: var(--secondary-color);
}

@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0.5; }
}

@keyframes wave {
    0%, 100% { height: 6px; }
    50% { height: 35px; }
}

.waveform-container {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 40px;
}

.waveform-bar {
    width: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-pill);
    animation: wave 1.2s ease-in-out infinite;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--accent-emerald);
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-emerald);
    border-radius: 50%;
    position: relative;
}

.status-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    animation: pulseGlow 1.5s infinite;
}

.theme-dark {
    --bg-dark: #021a15;
    --bg-card: rgba(3, 40, 33, 0.45);
    --bg-card-hover: rgba(3, 40, 33, 0.65);
    --border-color: rgba(20, 184, 166, 0.12);
    --border-hover: rgba(20, 184, 166, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.theme-light {
    --bg-dark: var(--bg-light-cream);
    --bg-card: var(--bg-card-light);
    --bg-card-hover: var(--bg-card-light);
    --border-color: var(--border-color-light);
    --border-hover: var(--border-hover-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --text-muted: var(--text-muted-light);
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.theme-light-white { --bg-dark: #ffffff; background-color: #ffffff; }
.theme-light-cream { --bg-dark: #f4f6f4; background-color: #f4f6f4; }

.theme-light .glass-card {
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(3, 33, 26, 0.04);
}

.theme-light .glass-card:hover {
    border-color: rgba(20, 184, 166, 0.2);
    box-shadow: 0 20px 40px rgba(3, 33, 26, 0.08), 0 0 40px -10px rgba(20, 184, 166, 0.1);
    transform: translateY(-8px);
}

.theme-dark .deploy-card {
    background: linear-gradient(180deg, rgba(3, 50, 42, 0.6) 0%, rgba(2, 26, 21, 0.85) 100%) !important;
    border: 1px solid rgba(20, 184, 166, 0.15) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(16px) !important;
}

.theme-dark .deploy-card:hover {
    transform: translateY(-6px) !important;
    border-color: rgba(16, 185, 129, 0.4) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(16, 185, 129, 0.15) !important;
}

.theme-light .deploy-card {
    background: #ffffff !important;
    border: 1px solid rgba(3, 33, 26, 0.08) !important;
    box-shadow: 0 4px 20px rgba(3, 33, 26, 0.02) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.theme-light .deploy-card:hover {
    transform: translateY(-5px) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 12px 35px rgba(3, 132, 100, 0.12) !important;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: #ffffff;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(2, 26, 21, 0.08);
    transition: var(--transition);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.03em;
    color: #03211a;
}

.logo-img {
    height: 85px;
    width: 85px;
    border-radius: 50%;
    object-fit: contain;
    background-color: #000000;
    padding: 8px;
}

.logo-circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
    display: inline-block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-link:hover, .nav-link.active { color: var(--primary-color); }

.nav-dropdown { position: relative; }

.dropdown-trigger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.dropdown-arrow { transition: var(--transition); }
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 280px;
    background: #ffffff;
    border: 1px solid rgba(2, 26, 21, 0.08);
    border-radius: var(--radius-md);
    padding: 0.8rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    color: #03211a !important;
    font-weight: 600;
}

.dropdown-item:hover {
    background: rgba(3, 132, 100, 0.05);
    border-left: 2px solid var(--primary-color);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 968px) {
    .mobile-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 60px);
        background: #ffffff;
        backdrop-filter: blur(16px);
        border-left: 1px solid rgba(2, 26, 21, 0.08);
        flex-direction: column;
        align-items: flex-start;
        padding: 3rem 2rem;
        gap: 1.8rem;
        transition: var(--transition);
    }
    .nav-menu.open { right: 0; }
    .nav-dropdown { width: 100%; }
    .dropdown-menu {
        position: static;
        transform: none !important;
        width: 100%;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0.5rem 0 0 1rem;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: none;
    }
    .nav-dropdown.open .dropdown-menu { display: block; }
}

.site-footer {
    border-top: 1px solid rgba(20, 184, 166, 0.12);
    padding: 5rem 0 2rem 0;
    background: #02120e;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text-primary); padding-left: 4px; }

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copy { color: var(--text-muted); font-size: 0.85rem; }

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.voice-demo-container { padding: 2rem; max-width: 600px; margin: 0 auto; }

.demo-player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}

.demo-speech-bubble {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-md);
    max-width: 85%;
    position: relative;
    opacity: 0;
    transform: translateY(10px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.demo-speech-bubble.visible { opacity: 1; transform: translateY(0); }

.demo-speech-bubble.caller {
    align-self: flex-end;
    background: var(--border-color);
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
}

.demo-speech-bubble.agent {
    align-self: flex-start;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-visible { opacity: 1; transform: translateY(0); }

.hero-section { position: relative; overflow: hidden; }