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

html { scroll-behavior: smooth; }

body {
    font-family: 'Nunito', -apple-system, sans-serif;
    background: #F2F7F4;
    color: #2D3E4A;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
    --teal:     #7AADAC;
    --teal-dk:  #5A8E8D;
    --peach:    #E09A82;
    --bg:       #F2F7F4;
    --paper:    #FAFDFB;
    --text:     #2D3E4A;
    --muted:    #7A95A3;
    --border:   rgba(122,173,172,0.15);
}

/* ─── Container ──────────────────────────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Header ─────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(242,247,244,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.nav-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    object-fit: cover;
}

.nav-cta {
    display: inline-block;
    padding: 9px 22px;
    background: var(--teal);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--teal-dk);
    transform: translateY(-1px);
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(160deg, #e8f4f0 0%, #f5eef8 50%, #fef4ef 100%);
    overflow: hidden;
}

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

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
}

.glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #7AADAC, transparent 70%);
    top: -10%;
    left: -8%;
}

.glow-2 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, #E09A82, transparent 70%);
    top: 10%;
    right: -6%;
}

.glow-3 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, #b8a4e0, transparent 70%);
    bottom: -10%;
    left: 35%;
}

@keyframes drift {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-10px); }
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 64px;
}

.hero-text { flex: 1; }

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(122,173,172,0.15);
    color: var(--teal-dk);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.6rem, 5.5vw, 4rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--muted);
    line-height: 1.75;
    max-width: 480px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.hero-note {
    font-size: 0.85rem;
    color: var(--muted);
}

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

.hero-logo {
    width: 280px;
    height: 280px;
    object-fit: contain;
    border-radius: 40px;
    animation: drift 5s ease-in-out infinite;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #7AADAC 0%, #8EC4B8 100%);
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(122,173,172,0.35);
    transition: all 0.25s ease;
    letter-spacing: -0.01em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(122,173,172,0.4);
}

.btn-primary.large {
    font-size: 1.1rem;
    padding: 18px 36px;
}

/* ─── Section titles ─────────────────────────────────────── */
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    text-align: center;
}

.section-title.left { text-align: left; }

/* ─── How it works ───────────────────────────────────────── */
.how {
    padding: 120px 0;
    background: var(--paper);
}

.how .section-title { margin-bottom: 64px; }

.steps {
    display: flex;
    align-items: center;
    gap: 24px;
    max-width: 860px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 40px 28px;
    background: var(--bg);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.step-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.step-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.7;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--teal);
    flex-shrink: 0;
    opacity: 0.5;
}

/* ─── Card section ───────────────────────────────────────── */
.card-section {
    padding: 120px 0;
    background: linear-gradient(160deg, #f0f8f5 0%, #f8f2fb 100%);
}

.card-section-inner {
    display: flex;
    align-items: center;
    gap: 80px;
}

.card-mockup {
    position: relative;
    flex-shrink: 0;
    width: 300px;
}

.card-bg {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 24px 64px rgba(122,149,163,0.18);
}

.card-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 32px 28px;
}

.card-type {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.card-body {
    font-size: 0.85rem;
    color: #4a6070;
    line-height: 1.65;
}

.card-desc {
    font-size: 1.1rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.card-desc:last-child { margin-bottom: 0; }

/* ─── Privacy ────────────────────────────────────────────── */
.privacy {
    padding: 120px 0;
    background: var(--paper);
}

.privacy-inner { text-align: center; }

.privacy-lead {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 560px;
    margin: 0 auto 64px;
    line-height: 1.75;
}

.privacy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 860px;
    margin: 0 auto;
}

.privacy-card {
    background: var(--bg);
    border-radius: 20px;
    padding: 36px 28px;
    border: 1px solid var(--border);
    text-align: left;
}

.privacy-icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.privacy-card h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.privacy-card p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.7;
}

/* ─── No noise ───────────────────────────────────────────── */
.no-noise {
    padding: 120px 0;
    background: linear-gradient(160deg, #e8f4f0 0%, #f5eef8 100%);
}

.no-noise-inner {
    display: flex;
    align-items: center;
    gap: 80px;
    max-width: 860px;
    margin: 0 auto;
}

.no-noise-moon {
    width: 200px;
    flex-shrink: 0;
    border-radius: 32px;
    animation: drift 5s ease-in-out infinite;
    animation-delay: 1s;
}

.no-noise-desc {
    font-size: 1.1rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.no-noise-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.no-noise-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #4a6070;
    font-weight: 600;
}

.no-noise-list li::before {
    content: '✓';
    color: var(--teal);
    font-weight: 800;
    flex-shrink: 0;
}

/* ─── CTA ────────────────────────────────────────────────── */
.cta {
    padding: 140px 0;
    background: var(--paper);
    text-align: center;
}

.cta-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 28px;
    margin-bottom: 32px;
    animation: drift 5s ease-in-out infinite;
}

.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.04em;
    margin-bottom: 16px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-note {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--muted);
}

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
    padding: 48px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    text-align: center;
}

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

.footer-legal {
    margin-top: 6px;
    font-size: 0.8rem;
    color: #b0c4cc;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero { padding: 120px 0 80px; }

    .hero-inner {
        flex-direction: column-reverse;
        gap: 40px;
        text-align: center;
    }

    .hero-subtitle { margin: 0 auto 40px; }

    .hero-actions { align-items: center; }

    .hero-logo { width: 200px; height: 200px; }

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

    .step-arrow { transform: rotate(90deg); }

    .card-section-inner {
        flex-direction: column;
        gap: 48px;
    }

    .card-mockup { width: 260px; }

    .section-title.left { text-align: center; }

    .privacy-grid {
        grid-template-columns: 1fr;
    }

    .no-noise-inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .no-noise-list { align-items: flex-start; text-align: left; }
}