:root {
    --bg: #06060e;
    --bg2: #0c0c1a;
    --bg3: #141428;
    --bg-card: rgba(20, 20, 40, 0.6);
    --accent: #7c3aed;
    --accent2: #06b6d4;
    --grad: linear-gradient(135deg, #7c3aed, #06b6d4);
    --grad-h: linear-gradient(90deg, #7c3aed, #06b6d4);
    --text: #e8e8f4;
    --text2: #9898b8;
    --text3: #555570;
    --r: 16px;
    --rs: 10px;
    --max-w: 1200px;
    --header-h: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--grad-h);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--grad);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

.btn:active {
    transform: scale(0.97);
}

.btn-sm {
    padding: 10px 22px;
    font-size: 14px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--bg3);
    color: var(--text);
    box-shadow: none;
}

.btn-outline:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.15);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(6, 6, 14, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: background 0.3s;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(124, 58, 237, 0.08);
    animation: pulse-expand 4s ease-out infinite;
}

.pulse-ring-1 {
    width: 400px;
    height: 400px;
    animation-delay: 0s;
}

.pulse-ring-2 {
    width: 600px;
    height: 600px;
    animation-delay: 1.3s;
}

.pulse-ring-3 {
    width: 800px;
    height: 800px;
    animation-delay: 2.6s;
}

@keyframes pulse-expand {
    0% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.8); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.4); }
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle 6s ease-in-out infinite;
}

@keyframes float-particle {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 0.4; transform: translateY(-80px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: var(--bg-card);
    border: 1px solid var(--bg3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text2);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(40px, 6vw, 68px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 17px;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

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

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

.hero-stat-val {
    font-size: 28px;
    font-weight: 800;
    background: var(--grad-h);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-stat-label {
    font-size: 12px;
    color: var(--text3);
    margin-top: 2px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text3);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: scroll-hint 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text3);
    border-bottom: 2px solid var(--text3);
    transform: rotate(45deg);
}

@keyframes scroll-hint {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* PHONE MOCKUP */
.phone-mockup {
    position: relative;
    width: 280px;
    background: linear-gradient(145deg, #2a2a3e, #0e0e1a);
    border-radius: 40px;
    padding: 8px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 0 1.5px rgba(180, 180, 200, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 12px 40px rgba(0, 0, 0, 0.5),
        0 20px 80px rgba(0, 0, 0, 0.4);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 40px;
    padding: 1.5px;
    background: linear-gradient(160deg, rgba(255,255,255,0.2), rgba(255,255,255,0.02) 40%, rgba(255,255,255,0.05) 60%, rgba(255,255,255,0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 3;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 20%;
    right: 20%;
    height: 30%;
    border-radius: 40px 40px 50% 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.06), transparent);
    pointer-events: none;
    z-index: 3;
}

.phone-mockup img {
    width: 100%;
    border-radius: 32px;
    display: block;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.phone-hero {
    width: 300px;
    animation: phone-float 4s ease-in-out infinite;
}

@keyframes phone-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.phone-dual {
    display: flex;
    gap: 24px;
    align-items: center;
}

.phone-sm {
    width: 210px;
}

.phone-offset {
    margin-top: 60px;
}

/* CHAT SCREENSHOTS */
.chat-dual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

.chat-bubble-wrap {
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.06);
    background: #0e1621;
    width: 100%;
}

.chat-bubble-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

.chat-single {
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.06);
    background: #0e1621;
    width: 100%;
    max-width: 360px;
}

.chat-single img {
    width: 100%;
    height: auto;
    display: block;
}

/* SECTIONS */
.section-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 48px;
}

/* FEATURES GRID */
.features {
    padding: 120px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--bg3);
    border-radius: var(--r);
    backdrop-filter: blur(12px);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
    color: #fff;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text2);
    line-height: 1.6;
}

/* SHOWCASE */
.showcase {
    padding: 100px 0;
}

.showcase-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-row.reverse {
    direction: rtl;
}

.showcase-row.reverse > * {
    direction: ltr;
}

.showcase-text .section-label {
    margin-bottom: 12px;
}

.showcase-text h2 {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.showcase-text p {
    font-size: 15px;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 20px;
}

.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.check-list li {
    font-size: 14px;
    color: var(--text2);
    padding-left: 28px;
    position: relative;
}

.check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.15);
}

.check-list li::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 9px;
    width: 8px;
    height: 4px;
    border-left: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(-45deg);
}

.showcase-visual {
    display: flex;
    justify-content: center;
}

/* INLINE STEPS */
.inline-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
}

.inline-step {
    display: flex;
    align-items: center;
    gap: 14px;
}

.inline-step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.inline-step-text {
    font-size: 14px;
    color: var(--text2);
}

/* PLATFORMS */
.platforms {
    padding: 120px 0;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.platform-card {
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--bg3);
    border-radius: var(--r);
    text-align: center;
    backdrop-filter: blur(12px);
    transition: transform 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}

.platform-card:hover {
    transform: translateY(-4px);
}

.platform-card:not(.platform-soon):hover {
    border-color: var(--accent);
}

.platform-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.platform-icon svg {
    width: 28px;
    height: 28px;
}

.platform-yt {
    background: rgba(255, 0, 51, 0.1);
    color: #ff0033;
}

.platform-ym {
    background: rgba(255, 204, 0, 0.1);
    color: #FFCC00;
}

.platform-sc {
    background: rgba(255, 85, 0, 0.1);
    color: #ff5500;
}

.platform-sp {
    background: rgba(30, 215, 96, 0.1);
    color: #1ed760;
}

.platform-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
}

.platform-card p {
    font-size: 13px;
    color: var(--text2);
}

.platform-soon {
    opacity: 0.5;
}

.platform-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: var(--bg3);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text3);
}

/* FAQ */
.faq {
    padding: 120px 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--bg3);
    border-radius: var(--r);
    overflow: hidden;
    backdrop-filter: blur(12px);
    transition: border-color 0.3s;
}

.faq-item:hover {
    border-color: rgba(124, 58, 237, 0.3);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text2);
    line-height: 1.7;
}

/* CTA SECTION */
.cta-section {
    padding: 120px 0;
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    padding: 60px 40px;
    background: var(--bg-card);
    border: 1px solid var(--bg3);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad);
}

.cta-content h2 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 15px;
    color: var(--text2);
    margin-bottom: 32px;
}

/* SEO TEXT */
.seo-text {
    padding: 80px 0 0;
    display: none;
}

/* FOOTER */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--bg3);
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand p {
    font-size: 13px;
    color: var(--text3);
    margin-left: 16px;
}

.footer-links a {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 0.8;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--bg3);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text3);
}

/* REVEAL ANIMATION */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
    .feature-grid, .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .showcase-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-row.reverse {
        direction: ltr;
    }

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

    .showcase-text .check-list {
        display: inline-block;
        text-align: left;
    }

    .inline-steps {
        align-items: center;
    }

    .hero-visual {
        order: -1;
    }

    .phone-hero {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .header .btn {
        display: none;
    }

    .burger {
        display: flex;
    }

    .nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(6, 6, 14, 0.95);
        backdrop-filter: blur(20px);
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--bg3);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-h) + 40px);
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-scroll-hint {
        display: none;
    }

    .features, .platforms, .faq, .cta-section {
        padding: 80px 0;
    }

    .showcase {
        padding: 60px 0;
    }

    .phone-dual {
        flex-direction: column;
        gap: 16px;
    }

    .phone-sm {
        width: 200px;
    }

    .phone-offset {
        margin-top: 0;
    }

    .phone-mockup {
        width: 240px;
    }

    .chat-dual {
        max-width: 100%;
    }

    .chat-single {
        max-width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
        gap: 4px;
    }

    .footer-brand p {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .feature-grid, .platform-grid {
        grid-template-columns: 1fr;
    }

    .cta-content {
        padding: 40px 24px;
    }

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