/* Silent Sparks Landing – Electric Indigo, Bento, Mobile-First */
:root {
    --indigo: #6366F1;
    --indigo-light: #818CF8;
    --indigo-soft: #E0E7FF;
    --indigo-bg: #F5F3FF;
    --white: #FFFFFF;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --radius: 20px;
    --radius-lg: 28px;
    --shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
    --shadow-card: 0 8px 32px rgba(99, 102, 241, 0.12);
}

.landing-page {
    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--gray-900);
    overflow-x: hidden;
}

html { scroll-behavior: smooth; }

/* ----- Header ----- */
.landing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 64px;
    box-sizing: border-box;
    background: var(--white);
}

.landing-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    text-decoration: none;
}

.landing-logo:hover {
    color: var(--gray-900);
}

.landing-logo-img {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
}

.landing-logo .logo-accent { color: var(--indigo); }

.landing-cta-header {
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(135deg, var(--indigo), var(--indigo-light));
    color: var(--white);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.landing-cta-header:hover {
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

/* ----- Hero ----- */
@keyframes hero-fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(4%, -3%); }
    66% { transform: translate(-2%, 2%); }
}

@media (prefers-reduced-motion: reduce) {
    .hero-blob, .hero-content, .hero-content .privacy-badge,
    .hero-content .hero-headline, .hero-content .tagline, .hero-content .landing-stores { animation: none; }
}

.landing-hero {
    position: relative;
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3.5rem 1.5rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, var(--indigo-bg) 0%, #fafaff 35%, var(--white) 70%);
    box-sizing: border-box;
    overflow: hidden;
}

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

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(72px);
    opacity: 0.5;
    animation: blob-float 12s ease-in-out infinite;
}

.hero-blob-1 {
    width: min(70vw, 420px);
    height: min(70vw, 420px);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, transparent 70%);
    top: -15%;
    left: -10%;
}

.hero-blob-2 {
    width: min(50vw, 320px);
    height: min(50vw, 320px);
    background: radial-gradient(circle, rgba(129, 140, 248, 0.3) 0%, transparent 70%);
    bottom: -5%;
    right: -8%;
    animation-delay: -4s;
}

.hero-blob-3 {
    width: min(40vw, 240px);
    height: min(40vw, 240px);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -8s;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: hero-fade-up 0.8s ease-out backwards;
}

.hero-content .privacy-badge { animation: hero-fade-up 0.8s ease-out 0.1s backwards; }
.hero-content .hero-headline { animation: hero-fade-up 0.8s ease-out 0.2s backwards; }
.hero-content .tagline { animation: hero-fade-up 0.8s ease-out 0.3s backwards; }
.hero-content .landing-stores { animation: hero-fade-up 0.8s ease-out 0.4s backwards; }

.landing-hero .privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--indigo);
    margin-bottom: 1.75rem;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
}

.landing-hero h1.hero-headline {
    font-size: clamp(2rem, 6vw, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    max-width: 640px;
    margin: 0 auto 0.65rem;
    color: var(--gray-900);
    text-shadow: 0 2px 20px rgba(99, 102, 241, 0.06);
}

.landing-hero .tagline {
    font-size: clamp(1.05rem, 2.5vw, 1.3rem);
    font-weight: 600;
    background: linear-gradient(135deg, var(--indigo), var(--indigo-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.75rem;
}

.landing-stores {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.landing-hero .store-btn {
    display: block;
    padding: 0.5rem;
    border-radius: 14px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.landing-hero .store-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2);
}

.landing-hero .store-btn img {
    display: block;
    height: 44px;
    width: auto;
    border-radius: 10px;
}

/* ----- Problem ----- */
.landing-problem {
    padding: 0.75rem 1.5rem 2rem;
    text-align: center;
}

.landing-problem .problem-block {
    max-width: 640px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #F5F3FF 0%, #EEECFF 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
}

.landing-problem .problem-text {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    font-weight: 600;
    line-height: 1.5;
    color: #374151;
    margin: 0;
}

.landing-problem .problem-fix {
    color: #6366F1;
    font-weight: 700;
}

/* ----- Solution ----- */
.landing-solution {
    padding: 2.5rem 1.5rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.landing-solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .landing-solution-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

.landing-phone-mockup {
    position: relative;
    max-width: 340px;
    margin: 0 auto;
}

.landing-phone-frame {
    background: linear-gradient(145deg, #2d2d2d 0%, #1a1a1a 100%);
    border-radius: 36px;
    padding: 14px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2), 0 0 0 2px var(--gray-300);
}

.landing-phone-screen {
    background: var(--white);
    border-radius: 26px;
    overflow: hidden;
    min-height: 520px;
}

.landing-phone-screen .mock-header {
    background: linear-gradient(135deg, var(--indigo), var(--indigo-light));
    color: var(--white);
    padding: 1.75rem 1rem 1rem;
    font-weight: 700;
    font-size: 1.15rem;
}

.landing-phone-screen .mock-list { padding: 0.85rem; }

.landing-phone-screen .mock-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
    margin-bottom: 6px;
}

.landing-phone-screen .mock-item:nth-child(odd) {
    background: var(--indigo-bg);
}

.landing-phone-screen .mock-avatar {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--indigo-soft), var(--indigo-light));
    color: var(--indigo);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-phone-screen .mock-name {
    font-weight: 600;
    color: var(--gray-900);
    flex: 1;
    min-width: 0;
}

.landing-phone-screen .mock-like {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--white);
    color: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.landing-phone-screen .mock-like svg { display: block; }

.landing-phone-screen .mock-like-active {
    background: var(--indigo);
    color: var(--white);
}

.landing-solution-text h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.landing-solution-text p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--gray-700);
}

/* ----- How it works ----- */
.landing-how {
    padding: 4rem 1.5rem 5rem;
    background: linear-gradient(180deg, var(--white) 0%, var(--indigo-bg) 15%, var(--white) 100%);
}

.landing-how h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--gray-900);
}

.landing-bento {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .landing-bento {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

.landing-bento-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--indigo-soft);
    transition: transform 0.2s, box-shadow 0.2s;
}

.landing-bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.18);
}

.landing-bento-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--indigo-soft), rgba(99, 102, 241, 0.2));
}

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

.landing-bento-icon-match svg { width: 32px; height: 24px; }

.landing-bento-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.landing-bento-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--gray-700);
}

/* ----- Footer ----- */
.landing-footer {
    background: linear-gradient(180deg, var(--indigo-bg) 0%, var(--indigo-soft) 100%);
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.landing-footer-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 1.25rem;
}

.landing-footer-logo span { color: var(--indigo); }

.landing-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.landing-footer-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
}

.landing-footer-links a:hover { color: var(--indigo); }

.landing-footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.landing-footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--indigo);
    box-shadow: var(--shadow);
}

.landing-footer-social a:hover {
    background: var(--indigo);
    color: var(--white);
}