/* Sumysan — PropTech Brand (Green & White) */
:root {
    --bg: #FFFFFF;
    --bg-soft: #F3FBF6;
    --bg-elevated: #ECFDF3;
    --surface: #FFFFFF;
    --surface-2: #F0FDF4;
    --text: #0A1F14;
    --text-muted: #4B6356;
    --green: #16A34A;
    --green-dark: #14532D;
    --green-mid: #15803D;
    --green-light: #22C55E;
    --green-soft: #DCFCE7;
    --border: rgba(20, 83, 45, 0.12);
    --shadow: 0 10px 40px -12px rgba(20, 83, 45, 0.15);
    --radius: 20px;
    --font-display: 'Syne', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

/* Soft green atmosphere */
.space-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 45% at 80% 0%, rgba(22, 163, 74, 0.08), transparent),
        radial-gradient(ellipse 50% 40% at 10% 90%, rgba(20, 83, 45, 0.05), transparent),
        var(--bg);
}

.space-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: floatOrb 18s ease-in-out infinite;
    opacity: 0.7;
}

.space-orb-a {
    width: 380px; height: 380px;
    background: rgba(34, 197, 94, 0.2);
    top: -5%; right: -5%;
}

.space-orb-b {
    width: 260px; height: 260px;
    background: rgba(22, 163, 74, 0.12);
    top: 45%; left: -8%;
    animation-delay: -6s;
}

.space-orb-c {
    width: 200px; height: 200px;
    background: rgba(20, 83, 45, 0.08);
    bottom: 10%; right: 30%;
    animation-delay: -12s;
}

.grid-floor {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 35vh;
    background:
        linear-gradient(transparent, var(--bg) 85%),
        repeating-linear-gradient(90deg, transparent, transparent 48px, rgba(22,163,74,0.04) 48px, rgba(22,163,74,0.04) 49px),
        repeating-linear-gradient(0deg, transparent, transparent 48px, rgba(22,163,74,0.04) 48px, rgba(22,163,74,0.04) 49px);
    transform: perspective(600px) rotateX(60deg);
    transform-origin: bottom;
    opacity: 0.6;
    pointer-events: none;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -24px) scale(1.08); }
}

/* Nav */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.15rem 0;
    transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
    border-bottom: 1px solid transparent;
}

.site-nav.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 20px rgba(20, 83, 45, 0.06);
    padding: 0.8rem 0;
}

.nav-inner {
    width: min(1120px, 92%);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--green-dark);
}

.logo-mark {
    width: 38px; height: 38px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    color: white;
    border-radius: 10px;
    font-size: 1rem;
    box-shadow: 0 6px 18px rgba(22, 163, 74, 0.35);
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
}

.site-footer .logo-img {
    height: 40px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--green-dark); }

.nav-cta {
    background: var(--green) !important;
    color: white !important;
    padding: 0.55rem 1.15rem !important;
    border-radius: 999px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--green-dark) !important;
    box-shadow: 0 8px 24px rgba(22, 163, 74, 0.3);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px; height: 24px;
    flex-direction: column;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--green-dark);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: transform 0.25s var(--ease), box-shadow 0.25s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
    background: linear-gradient(135deg, var(--green), var(--green-mid));
    color: white;
    box-shadow: 0 8px 28px rgba(22, 163, 74, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 12px 36px rgba(22, 163, 74, 0.4);
}

.btn-ghost {
    background: white;
    color: var(--green-dark);
    border: 1.5px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--green);
    background: var(--bg-soft);
}

.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

.eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--green-dark);
}

.section { padding: 6.5rem 0; }

.section-head {
    max-width: 580px;
    margin-bottom: 3rem;
}

.section-head h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 0.75rem;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 2.5rem;
    width: min(1120px, 92%);
    margin: 0 auto;
    padding: 8rem 0 4rem;
    position: relative;
}

.hero-copy .line {
    display: block;
    font-size: clamp(2.4rem, 5vw, 3.75rem);
    color: var(--green-dark);
}

.hero-copy .accent-line {
    color: var(--green);
}

.hero-lead {
    margin: 1.5rem 0 2rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 460px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.hero-meta i { color: var(--green); }

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--green), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

.hero-stage {
    position: relative;
    height: 440px;
    perspective: 1000px;
}

.floating-platform {
    position: absolute;
    width: 140px;
    height: 140px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transform-style: preserve-3d;
    box-shadow: var(--shadow);
    animation: platformFloat 6s ease-in-out infinite;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.platform-1 { top: 5%; left: 8%; }
.platform-2 { top: 28%; right: 5%; animation-delay: -1.5s; }
.platform-3 { bottom: 18%; left: 28%; animation-delay: -3s; width: 120px; height: 120px; }
.platform-4 { bottom: 0; right: 22%; animation-delay: -4.5s; width: 110px; height: 110px; }

.platform-glow {
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(22,163,74,0.25), transparent 60%);
    opacity: 0.7;
    z-index: -1;
    filter: blur(6px);
}

.platform-icon { font-size: 1.75rem; color: var(--green); }
.platform-4 .platform-icon { font-size: 1.4rem; }

.platform-label {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--green-dark);
}

@keyframes platformFloat {
    0%, 100% { transform: translateY(0) rotateX(6deg) rotateY(-6deg); }
    50% { transform: translateY(-14px) rotateX(10deg) rotateY(-2deg); }
}

/* Stats */
.stats-bar {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2.75rem 0;
    background: var(--bg-soft);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--green);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--green);
}

.stat-label {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Ecosystem grid — matches brand image layout */
.ecosystem-section {
    background: var(--bg);
    padding: 6rem 0;
}

.ecosystem-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3.5rem;
    align-items: center;
}

.ecosystem-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.eco-item {
    display: flex;
    gap: 1.15rem;
    padding: 1.25rem 1.35rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: transform 0.35s var(--ease), box-shadow 0.35s, border-color 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.eco-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(22, 163, 74, 0.35);
}

.eco-icon {
    width: 52px; height: 52px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: var(--green-soft);
    color: var(--green-dark);
    border-radius: 14px;
    font-size: 1.4rem;
}

.eco-item h3 {
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

.eco-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.eco-domain {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--green);
    margin-top: 0.5rem;
    letter-spacing: 0.02em;
}

.eco-domain i { font-size: 0.68rem; opacity: 0.85; }

.ventures-hub {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.15rem;
    margin-top: 2rem;
}

.hub-card {
    display: flex;
    flex-direction: column;
    padding: 1.75rem 1.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: transform 0.35s var(--ease), box-shadow 0.35s, border-color 0.3s;
}

.hub-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(22, 163, 74, 0.4);
}

.hub-card i {
    font-size: 1.75rem;
    color: var(--green);
    margin-bottom: 1rem;
}

.hub-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.hub-card .hub-domain {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 0.5rem;
}

.hub-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex: 1;
}

.hub-card .hub-cta {
    margin-top: 1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--green-dark);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.venture-domain {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 0.65rem;
    letter-spacing: 0.02em;
}

@media (max-width: 900px) {
    .ventures-hub { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .ventures-hub { grid-template-columns: 1fr; }
}

.ecosystem-visual {
    height: 420px;
    background: linear-gradient(145deg, var(--bg-soft), white);
    border: 1px solid var(--border);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Venture cards */
.venture-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.venture-card {
    padding: 2rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.venture-card:hover {
    border-color: rgba(22, 163, 74, 0.4);
    box-shadow: var(--shadow);
}

.venture-card-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 0% 0%, rgba(22,163,74,0.08), transparent 55%);
    pointer-events: none;
}

.venture-card-content { position: relative; z-index: 1; }

.venture-badge {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    background: var(--green-soft);
    color: var(--green-dark);
}

.venture-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.65rem;
}

.venture-card p {
    color: var(--text-muted);
    margin-bottom: 1.15rem;
    font-size: 0.95rem;
}

.venture-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1.25rem;
}

.venture-tags li {
    padding: 0.3rem 0.65rem;
    background: var(--bg-soft);
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.venture-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--green);
    font-size: 0.9rem;
}

.venture-link:hover { gap: 0.65rem; }

.venture-3d-block {
    margin-top: 1.5rem;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Why */
.why-section { background: var(--bg-soft); }

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 3.5rem;
    align-items: start;
}

.why-copy h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    margin-bottom: 1rem;
}

.why-copy p:last-child { color: var(--text-muted); }

.why-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.15rem;
}

.why-card {
    padding: 1.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: transform 0.35s var(--ease), box-shadow 0.3s;
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.why-card i {
    font-size: 1.6rem;
    color: var(--green);
    margin-bottom: 0.85rem;
    display: block;
}

.why-card h4 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.why-card p { font-size: 0.88rem; color: var(--text-muted); }

/* CTA */
.cta-band {
    margin: 2rem auto 5rem;
    width: min(1120px, 92%);
    padding: 4.5rem 3rem;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 55%, var(--green) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    color: white;
}

.cta-orb {
    position: absolute;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    filter: blur(50px);
    top: -80px; right: -40px;
}

.cta-inner { position: relative; z-index: 1; }

.cta-band h2 {
    color: white;
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    margin-bottom: 0.75rem;
}

.cta-band p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.75rem;
}

.cta-band .btn-primary {
    background: white;
    color: var(--green-dark);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

/* Page hero */
.page-hero {
    padding: 9.5rem 0 3.5rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-soft), white);
}

.page-hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    margin-bottom: 1rem;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 5rem;
}

.contact-info h3 { font-size: 1.4rem; margin-bottom: 1rem; }
.contact-info > p { color: var(--text-muted); margin-bottom: 2rem; }

.contact-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.contact-list i { color: var(--green); font-size: 1.2rem; }

.form-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem;
    box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1.15rem; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
    display: none;
    padding: 1rem;
    background: var(--green-soft);
    border: 1px solid rgba(22, 163, 74, 0.3);
    border-radius: 12px;
    color: var(--green-dark);
    margin-bottom: 1rem;
}

.form-success.show { display: block; }

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
    padding-bottom: 5rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.15rem;
    font-size: 1.05rem;
}

.about-visual {
    height: 360px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 3.5rem 0 1.75rem;
    background: var(--green-dark);
    color: rgba(255, 255, 255, 0.85);
}

.site-footer .logo { color: white; }
.site-footer .logo-mark {
    background: white;
    color: var(--green-dark);
    box-shadow: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-tag {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.site-footer h5 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: white;
}

.site-footer ul li { margin-bottom: 0.45rem; }

.site-footer ul a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.site-footer ul a:hover { color: white; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 1.35rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 7rem;
    }
    .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-meta { justify-content: center; }
    .hero-stage { height: 300px; order: -1; }
    .platform-1, .platform-2, .platform-3, .platform-4 {
        width: 100px; height: 100px;
    }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .ecosystem-layout,
    .why-grid,
    .contact-layout,
    .about-content { grid-template-columns: 1fr; }
    .venture-cards { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        flex-direction: column;
        background: white;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border);
        gap: 1.15rem;
        box-shadow: var(--shadow);
    }
    .nav-links.open { display: flex; }
    .why-cards { grid-template-columns: 1fr; }
    .cta-band { padding: 3rem 1.5rem; }
    .scroll-hint { display: none; }
}