@font-face {
    font-family: 'All Round Gothic';
    src: url('/fonts/AllRoundGothic-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* ============================================
   VAIT.AI - Landing Page Styles
   Mobile-first responsive design
   Colors: PANTONE 296 C #041C2C, PANTONE 286 C #0033A0 (3252 C reserved for COOR)
   ============================================ */

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

:root {
    --color-bg: #041C2C;
    --color-bg-light: #0A2540;
    --color-bg-card: #0A2D5A;
    --color-primary: #0033A0;
    --color-secondary: #2AD2C9;
    --color-accent: #e94560;
    --color-text: #ffffff;
    --color-text-muted: #b0b8c4;
    --color-text-dark: #041C2C;
    --font-headings: 'All Round Gothic', system-ui, sans-serif;
    --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --max-width: 1200px;
    --section-padding: 5rem 0;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-dark);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-xlarge {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo svg {
    height: 40px;
    width: auto;
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    position: relative;
    overflow: hidden;
}

/* hero decorative removed */

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    text-align: center;
    max-width: 100%;
    padding: 0 0.5rem;
}

.hero-content h1 {
    font-size: 1.75rem;
    background: linear-gradient(135deg, #fff 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    overflow-wrap: break-word;
    word-break: break-word;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    overflow-wrap: break-word;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Phone Mockup */
.hero-visual {
    position: relative;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #0A2D5A 0%, #041C2C 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 3px rgba(255, 255, 255, 0.1),
        inset 0 0 20px rgba(0, 212, 170, 0.1);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

.phone-screen {
    background: var(--color-bg);
    border-radius: 32px;
    height: 100%;
    padding: 3rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
}

.chat-bubble {
    padding: 0.875rem 1rem;
    border-radius: 18px;
    font-size: 0.9rem;
    max-width: 90%;
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.chat-bot {
    background: var(--color-bg-card);
    color: var(--color-text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    animation-delay: 0.2s;
}

.chat-user {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text-dark);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    animation-delay: 0.6s;
}

.chat-bot:last-of-type {
    animation-delay: 1s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Social Proof */
.social-proof {
    padding: 3rem 0;
    background: var(--color-bg-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    max-width: 800px;
    margin: 0 auto;
}

.highlight {
    color: var(--color-primary);
}

/* Problem Section */
.problem {
    padding: var(--section-padding);
}

.pain-points {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pain-card {
    background: var(--color-bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.pain-card:hover {
    transform: translateY(-5px);
    border-color: rgba(233, 69, 96, 0.3);
}

.pain-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.pain-card h3 {
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.pain-card p {
    color: var(--color-text-muted);
    margin: 0;
}

.problem-transition {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-top: 3rem;
    padding: 2rem 0;
    background: linear-gradient(135deg, #0033A0, #2AD2C9, #0033A0);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmerText 3s linear infinite;
    position: relative;
}

.problem-transition strong {
    font-weight: 800;
}

.problem-transition::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2AD2C9, transparent);
    animation: glowLine 2s ease-in-out infinite;
}

@keyframes shimmerText {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

@keyframes glowLine {
    0%, 100% { width: 80px; opacity: 0.5; }
    50% { width: 160px; opacity: 1; }
}

/* Solution Section */
.solution {
    padding: var(--section-padding);
    background: var(--color-bg-light);
}

.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    display: flex;
    gap: 1.5rem;
    background: var(--color-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text-dark);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.step-content h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--color-text-muted);
    margin: 0;
}

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

/* Benefits Section */
.benefits {
    padding: var(--section-padding);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.benefit-card {
    background: var(--color-bg-light);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 170, 0.3);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    color: var(--color-text);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--color-text-muted);
    margin: 0;
}

/* Audience Section */
.audience {
    padding: var(--section-padding);
    background: var(--color-bg-light);
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.audience-card {
    background: var(--color-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.audience-card:hover {
    border-color: rgba(0, 212, 170, 0.2);
}

.audience-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.audience-card h3 {
    color: var(--color-primary);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.audience-card ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.audience-card li {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    padding-left: 1.25rem;
    position: relative;
}

.audience-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* About Section */
.about {
    padding: var(--section-padding);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--color-text);
}

.about-founder {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Zones Section */
.zones {
    padding: var(--section-padding);
    background: var(--color-bg-light);
}

.zones-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.zone-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--color-bg);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.zone-active .zone-dot {
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}

.zone-soon .zone-dot {
    background: var(--color-text-muted);
}

.zone-name {
    font-weight: 500;
}

.zone-name small {
    color: var(--color-text-muted);
    font-size: 0.8em;
}

/* Final CTA Section */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta-content h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 1rem;
}

.footer-logo svg, .footer-logo img {
    height: 70px;
}

.footer-links h4,
.footer-legal h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a,
.footer-legal a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.footer-links a:hover,
.footer-legal a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   RESPONSIVE - Tablet (768px+)
   ============================================ */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }

    h1 {
        font-size: 3.5rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    /* Navigation */
    .nav-links {
        display: flex;
    }

    /* Hero */
    .hero {
        padding: 10rem 0 6rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }

    .phone-mockup {
        width: 320px;
        height: 640px;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Pain points */
    .pain-points {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Steps */
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }

    .step-card {
        flex-direction: column;
        text-align: center;
    }

    /* Benefits */
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Audience */
    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ============================================
   RESPONSIVE - Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    :root {
        --section-padding: 6rem 0;
    }

    h1 {
        font-size: 4rem;
    }

    h2 {
        font-size: 3rem;
    }

    /* Hero */
    .hero-container {
        flex-direction: row;
        text-align: left;
        gap: 3rem;
    }

    .hero-content {
        text-align: left;
        flex: 1.2;
        max-width: none;
    }

    .hero-content h1 {
        font-size: 4rem;
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .hero-visual {
        flex: 0 0 auto;
    }

    .phone-mockup {
        width: 340px;
        height: 680px;
    }

    /* About */
    .about-text {
        font-size: 1.15rem;
    }

    /* Final CTA */
    .cta-content h2 {
        font-size: 3rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}