/* ═══════════════════════════════════════════════════════════════════════
   Lumis AI — LUXURY LANDING PAGE STYLES
   ═══════════════════════════════════════════════════════════════════════ */

:root {
    --nav-h: 90px;
    --brand-teal: #14b8a6;    /* Lumis Teal */
    --brand-teal-glow: rgba(20, 184, 166, 0.25);
    --brand-violet: #7c3aed;  /* Brand Secondary */
    --brand-white: #ffffff;
}

/* ─── Global ─── */
body.landing-page {
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    display: block;
    height: auto;
    background-color: #020406; /* Deeper Teal-Obsidian */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(20, 184, 166, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 40%);
}

.blob-4 { top: 20%; right: 10%; background: var(--brand-teal); opacity: 0.12; filter: blur(140px); position: absolute; width: 400px; height: 400px; z-index: -1; }
.blob-5 { bottom: 30%; left: 15%; background: var(--brand-teal); opacity: 0.1; filter: blur(120px); position: absolute; width: 500px; height: 500px; z-index: -1; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ─── Navbar ─── */
.navbar {
    height: var(--nav-h);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar.scrolled {
    height: 72px;
    background: rgba(3, 3, 7, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo .logo-name {
    font-size: 1.8rem;
    margin-bottom: 0;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 60%, var(--brand-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    letter-spacing: -0.01em;
}

.nav-link:hover {
    color: #fff;
    text-shadow: 0 0 20px rgba(255,255,255,0.3);
}

/* ─── Hero Section ─── */
.hero {
    padding-top: calc(var(--nav-h) + 120px);
    padding-bottom: 160px;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.badge-premium {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.25);
    padding: 10px 24px;
    border-radius: 100px;
    color: #a78bfa;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 20px -5px rgba(0,0,0,0.3);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 1.2;
    margin-bottom: 32px;
    background: linear-gradient(135deg, #fff 40%, var(--brand-teal) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.5));
}

.grain-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: overlay;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.65);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* ─── Features Section ─── */
.section-header {
    text-align: center;
    margin-bottom: 100px;
}

.section-tag {
    color: var(--brand-teal);
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: 20px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, #fff, rgba(255,255,255,0.7));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.feature-card {
    padding: 60px 48px;
    background: rgba(255, 255, 255, 0.015);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 40px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-16px);
    border-color: rgba(20, 184, 166, 0.3);
    background: rgba(20, 184, 166, 0.03);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(to right, var(--brand-teal), var(--brand-violet));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-teal);
    margin-bottom: 40px;
    font-size: 1.5rem;
    transition: all 0.3s;
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.feature-card:hover .feature-icon {
    background: var(--brand-teal);
    color: #fff;
    transform: rotate(10deg);
}

.feature-name {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.feature-desc {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ─── Pricing Section ─── */
.pricing {
    padding: 160px 0;
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%; width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 80px auto 0;
}

.price-card {
    padding: 64px 48px;
    background: rgba(255, 255, 255, 0.015);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 48px;
    text-align: center;
    transition: all 0.5s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.price-card.popular {
    background: rgba(20, 184, 166, 0.03);
    border-color: rgba(20, 184, 166, 0.3);
    transform: scale(1.04);
}

.popular-tag {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(to right, var(--brand-teal), #2dd4bf);
    color: white;
    padding: 8px 24px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    box-shadow: 0 10px 20px -5px rgba(20, 184, 166, 0.4);
}

.plan-name {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-weight: 800;
    margin-bottom: 24px;
}

.plan-price {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
}

.plan-price sub {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.3);
    bottom: 0.6em;
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin: 48px 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

.plan-features li {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 16px;
}

.plan-features i {
    color: var(--brand-teal);
    font-size: 1.1rem;
}

/* ─── Footer ─── */
.footer {
    padding: 100px 0 60px;
    background: linear-gradient(to bottom, transparent, rgba(20, 184, 166, 0.05));
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 80px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 32px;
    letter-spacing: -0.01em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--brand-teal);
    transform: translateX(4px);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--brand-teal);
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 10px 20px var(--brand-teal-glow);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .brand-info {
        grid-column: span 2;
        margin-bottom: 20px;
    }
}

/* ─── Animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (max-width: 968px) {
    .container { width: 100% !important; max-width: 100% !important; }
    .hero-title { font-size: 3.5rem; }
    .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid { gap: 60px; max-width: 450px; }
    .price-card.popular { transform: none; }
}

/* ─── Mobile Responsiveness (New) ─── */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 8px;
    z-index: 1100;
}

@media (max-width: 768px) {
    :root {
        --nav-h: 70px;
    }

    .container {
        width: 100% !important;
        max-width: 100vw !important;
        padding: 0 20px !important;
        box-sizing: border-box !important;
        overflow-x: hidden;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(2, 4, 6, 0.98);
        backdrop-filter: blur(20px);
        padding: 100px 40px;
        display: flex;
        flex-direction: column;
        gap: 40px;
        transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 1050;
    }

    .nav-wrapper.active {
        right: 0;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.8);
    }

    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .hero {
        padding-top: 140px;
        padding-bottom: 80px;
    }

    .hero-title {
        font-size: 2.8rem;
        margin-bottom: 24px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 20px;
        margin-bottom: 40px;
    }

    .hero-actions {
        flex-direction: column;
        padding: 0 40px;
    }

    .hero-actions .login-btn {
        width: 100%;
        padding: 16px 32px !important;
    }

    .section-title {
        font-size: 2.4rem;
    }

    .features-grid {
        gap: 24px;
        padding: 0 20px;
    }

    .feature-card {
        padding: 40px 32px;
    }

    .pricing-grid {
        padding: 0 20px;
    }

    .price-card {
        padding: 48px 32px;
    }
}

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

    .nav-logo .logo-name {
        font-size: 1.5rem !important;
    }

    .hero-title {
        font-size: 2.2rem !important;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .badge-premium {
        padding: 8px 16px;
        font-size: 0.7rem;
    }
}