/* ── Variables ── */
:root {
    --bg-dark:     #f5f5f0;
    --bg-mid:      #eeeee8;
    --bg-card:     #ffffff;
    --accent:      #0a8a65;
    --accent-glow: rgba(10, 138, 101, 0.2);
    --accent-dim:  rgba(10, 138, 101, 0.08);
    --text:        #111118;
    --text-muted:  #555566;
    --text-dim:    #999aaa;
    --border:      rgba(10, 138, 101, 0.18);
    --radius:      16px;
}

/* ── Reset ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Subtle noise texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 999;
    opacity: 0.2;
}

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

/* ── Header ── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 245, 240, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    /* override any old dark backgrounds */
    color: var(--text);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

header h1 { font-size: 1.5rem; }

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

/* ── Nav ── */
nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a,
nav a.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover,
nav a.nav-link:hover,
nav a.nav-link.active { color: var(--accent); }

/* ── Language toggle ── */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-mid);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3px;
}

.lang-btn {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.lang-btn.active {
    background: var(--accent);
    color: #ffffff;
}

/* ── CTA Button ── */
.cta-button {
    background: var(--accent);
    color: #ffffff;
    padding: 0.65rem 1.4rem;
    border-radius: 8px;
    text-decoration: none;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.cta-button.large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* ── Hero ── */
.hero {
    min-height: 88vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
    background: var(--bg-dark);
    color: var(--text);
}

.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(10,138,101,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.6s 0.1s ease forwards;
}

.hero h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    max-width: 720px;
    color: var(--text);
    opacity: 0;
    animation: fadeUp 0.6s 0.2s ease forwards;
}

.hero h2 em {
    font-style: normal;
    color: var(--accent);
    position: relative;
}

.hero h2 em::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0; right: 0;
    height: 3px;
    background: var(--accent);
    opacity: 0.3;
    border-radius: 2px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 2.5rem;
    font-weight: 300;
    opacity: 0;
    animation: fadeUp 0.6s 0.3s ease forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.6s 0.4s ease forwards;
}

.hero-note {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.hero-grid {
    position: absolute;
    right: -80px;
    top: 50%;
    transform: translateY(-50%);
    display: grid;
    grid-template-columns: repeat(5, 60px);
    grid-template-rows: repeat(5, 60px);
    gap: 12px;
    opacity: 0.09;
    pointer-events: none;
}

.hero-grid span {
    border: 1px solid var(--accent);
    border-radius: 6px;
}

.hero-grid span:nth-child(3n) { opacity: 0.4; }
.hero-grid span:nth-child(5n) { background: var(--accent); }

/* ── About ── */
.about {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.section-label {
    font-family: 'Syne', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 3.5rem;
    max-width: 600px;
    color: var(--text);
}

/* Override old about h3 */
.about h3 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    text-align: left;
    color: var(--text);
}

.problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: left;
    box-shadow: none;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.problem-card:hover {
    border-color: rgba(10, 138, 101, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(10, 138, 101, 0.08);
}

.problem-card .icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 1rem;
}

.problem-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ── Divider ── */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0 24px;
}

/* ── Features ── */
.features {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.features h3 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    text-align: left;
    color: var(--text);
    margin-bottom: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.feature {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.feature:hover {
    border-color: rgba(10, 138, 101, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(10, 138, 101, 0.08);
}

.feature::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature:hover::before { opacity: 1; }

.feature .number {
    font-family: 'Syne', sans-serif;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    /* override old green circle */
    line-height: normal;
    text-align: center;
}

.feature h4 {
    font-family: 'Syne', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
    color: var(--text);
}

.feature p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ── Final CTA ── */
.cta-final {
    padding: 7rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-mid);
    color: var(--text);
}

.cta-final::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(10,138,101,0.07) 0%, transparent 65%);
    pointer-events: none;
}

.cta-final h3 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    position: relative;
    color: var(--text);
}

.cta-final p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.cta-final .cta-button { position: relative; }

/* ── Page header (terms / privacy) ── */
.page-header {
    padding: 4rem 0 3rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-dark);
}

.page-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    margin-bottom: 1.2rem;
}

.page-header h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    color: var(--text);
}

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

.policy-wrapper {
    padding: 3rem 0 5rem;
    max-width: 800px;
}

/* ── Footer ── */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    background: var(--bg-dark);
    color: var(--text-dim);
}

footer p { font-size: 0.82rem; }

footer a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover { color: var(--accent); }

/* ── Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Mobile ── */
@media (max-width: 768px) {
    nav a.nav-link { display: none; }
    header .container { padding: 0 20px; flex-direction: row; gap: 0; }
    .hero { min-height: auto; padding: 4rem 0; }
    .hero-grid { display: none; }
    .hero h2 { font-size: 2rem; }
    .hero-cta { flex-direction: column; align-items: flex-start; }
    .cta-button.large { width: 100%; text-align: center; }
}