/* =============================================
   ARTIFY AI — LANDING PAGE PREMIUM STYLES
   ============================================= */

:root {
    --bg-dark: #06070a;
    --bg-section: #0a0c12;
    --bg-card: rgba(15, 18, 30, 0.7);
    --accent: #66fcf1;
    --accent-hover: #45a29e;
    --accent-glow: rgba(102, 252, 241, 0.15);
    --purple: #a855f7;
    --pink: #ec4899;
    --blue: #3b82f6;
    --text: #ffffff;
    --text-muted: #8892a4;
    --text-dim: #4a5568;
    --border: rgba(102, 252, 241, 0.08);
    --border-light: rgba(255, 255, 255, 0.06);
    --glass: rgba(255, 255, 255, 0.03);
    --font: 'Inter', 'Outfit', -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* =============================================
   REVEAL ANIMATIONS
   ============================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--delay, 0s);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   NAVBAR
   ============================================= */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s ease;
    background: transparent;
}
.landing-nav.scrolled {
    background: rgba(6, 7, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-icon {
    font-size: 1.6rem;
    color: var(--accent);
    filter: drop-shadow(0 0 10px var(--accent-glow));
    animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 8px var(--accent-glow)); }
    50% { filter: drop-shadow(0 0 20px rgba(102, 252, 241, 0.4)); }
}
.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text);
    letter-spacing: -0.5px;
}
.logo-accent { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 32px;
}
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; gap: 12px; }
.nav-btn {
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font);
}
.nav-btn-ghost {
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: transparent;
}
.nav-btn-ghost:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
}
.nav-btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.2);
}
.nav-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.35);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

/* =============================================
   HERO
   ============================================= */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}
.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 252, 241, 0.08) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation: float-glow 8s ease-in-out infinite;
}
.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.06) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation: float-glow 10s ease-in-out infinite reverse;
}
@keyframes float-glow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 850px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: dot-pulse 2s infinite;
}
@keyframes dot-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}
.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 50%, var(--pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.btn-hero {
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font);
}
.btn-hero-primary {
    background: var(--accent);
    color: var(--bg-dark);
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(102, 252, 241, 0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-hero-ghost {
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}
.btn-hero-ghost:hover {
    color: var(--text);
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.05);
    transform: translateY(-2px);
}
.btn-hero-whatsapp {
    background: #25D366;
    color: #fff;
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.25);
}
.btn-hero-whatsapp:hover {
    background: #1fb855;
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.4);
}

.btn-arrow {
    transition: transform 0.3s;
}
.btn-hero-primary:hover .btn-arrow { transform: translateX(4px); }

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}
.stat-item { text-align: center; }
.stat-number {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-bounce 2s infinite;
}
@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}
.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent);
    border-radius: 3px;
    animation: scroll-wheel 2s infinite;
}
@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* =============================================
   SECTIONS COMMON
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}
.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}
.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =============================================
   FEATURES
   ============================================= */
.features-section {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(102, 252, 241, 0.08);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon-wrap {
    width: 56px;
    height: 56px;
    background: var(--accent-glow);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.feature-icon { font-size: 1.6rem; }

.feature-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* =============================================
   HOW IT WORKS
   ============================================= */
.how-section {
    padding: 120px 0;
}
.timeline {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--purple));
    opacity: 0.3;
}
.timeline-item {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}
.timeline-number {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    min-width: 72px;
    text-align: center;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 30px var(--accent-glow);
}
.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 28px;
    flex: 1;
}
.timeline-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.timeline-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =============================================
   CREDITS / VIP SECTION
   ============================================= */
.credits-section {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
}
.credits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.credit-explainer {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}
.credit-row {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    padding: 18px 20px;
}
.credit-icon { font-size: 1.2rem; min-width: 60px; text-align: center; }
.credit-row strong { font-size: 0.95rem; }
.credit-row p { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

.glass-card-landing {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
}
.vip-card {
    position: relative;
    overflow: hidden;
}
.vip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #ef4444, #ec4899);
}
.vip-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}
.vip-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.vip-card p { color: var(--text-muted); line-height: 1.6; margin-bottom: 20px; }
.vip-perks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.vip-perks li {
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* =============================================
   PRICING
   ============================================= */
.pricing-section {
    padding: 120px 0;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s;
    position: relative;
}
.pricing-card:hover {
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}
.pricing-featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(102,252,241,0.04) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 40px rgba(102,252,241,0.1);
}
.pricing-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 6px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
}
.pricing-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.pricing-price {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 30px;
}
.pricing-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}
.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 30px;
    text-align: left;
}
.pricing-features li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 8px;
}
.pricing-features li.muted {
    color: var(--text-dim);
    text-decoration: line-through;
}
.btn-pricing {
    display: block;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    color: var(--text-muted);
    border: 1px solid var(--border);
    font-family: var(--font);
}
.btn-pricing:hover {
    border-color: rgba(255,255,255,0.15);
    color: var(--text);
    background: rgba(255,255,255,0.03);
}
.btn-pricing-primary {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    box-shadow: 0 0 20px var(--accent-glow);
}
.btn-pricing-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 30px rgba(102,252,241,0.3);
}

/* =============================================
   SECURITY BAR
   ============================================= */
.security-section {
    padding: 60px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.security-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.security-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}
.security-icon { font-size: 1.3rem; }

/* =============================================
   CONTACT
   ============================================= */
.contact-section {
    padding: 120px 0;
}
.contact-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.contact-content { max-width: 520px; position: relative; z-index: 2; }
.contact-content p { color: var(--text-muted); margin: 16px 0 28px; line-height: 1.6; }
.contact-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.contact-decoration { position: relative; width: 300px; height: 200px; }

.deco-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: orb-float 6s ease-in-out infinite;
}
.deco-orb-1 {
    width: 150px; height: 150px;
    background: var(--accent);
    opacity: 0.15;
    top: 0; right: 60px;
}
.deco-orb-2 {
    width: 100px; height: 100px;
    background: var(--purple);
    opacity: 0.12;
    bottom: 0; right: 20px;
    animation-delay: 2s;
}
.deco-orb-3 {
    width: 80px; height: 80px;
    background: var(--pink);
    opacity: 0.1;
    top: 40px; right: 0;
    animation-delay: 4s;
}
@keyframes orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(10px, -15px) scale(1.05); }
    66% { transform: translate(-8px, 8px) scale(0.95); }
}

/* =============================================
   FOOTER
   ============================================= */
.landing-footer {
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-light);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}
.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: 8px;
}
.footer-links-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 18px;
}
.footer-links-col a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.3s;
}
.footer-links-col a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 960px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .credits-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .contact-decoration { display: none; }
}
@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .mobile-menu-btn { display: flex; }
    .features-grid { grid-template-columns: 1fr; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .stat-divider { width: 40px; height: 1px; }
    .footer-grid { grid-template-columns: 1fr; }
    .security-bar { flex-direction: column; align-items: center; gap: 20px; }
    .contact-buttons { flex-direction: column; }
    .btn-hero { text-align: center; justify-content: center; }
}