/* ScholarSuite landing — colors follow frontend/src/styles/globals.css (primary hsl(155 58% 29%)) */
:root {
  --green: #1F7551;
  --green-700: #175C40;
  --green-900: #0E3A28;
  --sage: #A4C6B8;
  --mint: #C5D3CD;
  --mint-50: #EEF5F1;
  --teak: #B8763E;
  --teak-700: #8A5428;
  --gold: #F4B82E;
  --cream: #FFF8EC;
  --ink: #0F1F18;
  --ink-2: #4A5A53;
  --line: #E1EAE5;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(14, 58, 40, .06), 0 12px 32px -12px rgba(14, 58, 40, .18);
  --display: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
  --body: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.ic { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 16px/1 var(--display);
  padding: 15px 24px; border-radius: 14px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s;
}
.btn:active { transform: translateY(2px); }
.btn-primary { background: var(--green); color: var(--white); box-shadow: 0 4px 0 var(--green-900); }
.btn-primary:hover { background: var(--green-700); }
.btn-primary:active { box-shadow: 0 2px 0 var(--green-900); }
.btn-ghost { background: var(--white); color: var(--green); box-shadow: inset 0 0 0 2px var(--mint), 0 4px 0 var(--mint); }
.btn-ghost:hover { box-shadow: inset 0 0 0 2px var(--sage), 0 4px 0 var(--sage); }
.btn-gold { background: var(--gold); color: var(--green-900); box-shadow: 0 4px 0 #C58E12; }
.btn-gold:active { box-shadow: 0 2px 0 #C58E12; }
.btn-sm { padding: 10px 16px; font-size: 14px; border-radius: 12px; }

.eyebrow {
  display: inline-block;
  font: 700 13px/1 var(--display); letter-spacing: .08em; text-transform: uppercase;
  color: var(--green); background: var(--mint-50);
  padding: 8px 12px; border-radius: 999px; margin-bottom: 16px;
}
.eyebrow-light { background: rgba(255,255,255,.1); color: var(--sage); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 248, 236, .85);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(14, 58, 40, .06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 20px var(--display); color: var(--green-900); }
.brand b { color: var(--green); }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; object-fit: contain; padding: 3px; background: var(--white); box-shadow: inset 0 0 0 1px var(--line); }
.nav-links { display: flex; align-items: center; gap: 28px; font-weight: 500; font-size: 15px; color: var(--ink-2); }
.nav-links a:not(.btn):hover { color: var(--green); }
.nav-links .btn { color: var(--white); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--green-900); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero { position: relative; background: var(--cream); padding: 56px 0 120px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; right: -10%; top: -20%; width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(164, 198, 184, .45), transparent 65%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.4vw, 64px); font-weight: 800; color: var(--green-900); margin-bottom: 20px; }
.hl { color: var(--green); background: linear-gradient(transparent 62%, rgba(244, 184, 46, .45) 62%); padding: 0 4px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 34em; margin-bottom: 32px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 12px 32px; }
.hero-facts li { display: flex; flex-direction: column; }
.hero-facts strong { font: 800 22px var(--display); color: var(--green); }
.hero-facts span { font-size: 14px; color: var(--ink-2); }

.hero-art { position: relative; }
.mascot { width: 100%; height: auto; max-width: 560px; margin-inline: auto; animation: bob 5s ease-in-out infinite; }
.bubble {
  position: absolute; left: 0; top: 4%; z-index: 2; max-width: 250px;
  background: var(--white); padding: 14px 18px; border-radius: 18px 18px 18px 4px;
  font-size: 15px; box-shadow: var(--shadow); border: 2px solid var(--mint);
}
.bubble b { color: var(--green); }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-10px) rotate(1deg); } }

.wave {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 80px;
  background: var(--green);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath d='M0 40c120-30 240-30 360 0s240 30 360 0 240-30 360 0 240 30 360 0v40H0Z'/%3E%3C/svg%3E") center / 100% 100%;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath d='M0 40c120-30 240-30 360 0s240 30 360 0 240-30 360 0 240 30 360 0v40H0Z'/%3E%3C/svg%3E") center / 100% 100%;
}

/* Strip */
.strip { background: var(--green); color: var(--mint); padding: 28px 0 44px; text-align: center; }
.strip-inner { display: flex; flex-direction: column; gap: 6px; }
.strip p { font-size: 18px; }
.strip s { text-decoration-color: var(--gold); text-decoration-thickness: 2px; }
.strip-em { font: 800 26px var(--display); color: var(--white); }

/* Sections */
.section { padding: 96px 0; }
.section-tint { background: var(--mint-50); }
.section-dark { background: var(--green-900); color: var(--mint); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--green-900); margin-bottom: 14px; }
.section-dark .section-head h2 { color: var(--white); }
.section-head p { color: var(--ink-2); font-size: 17px; }

/* Modules */
.mod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.mod-card {
  background: var(--white); border: 2px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.mod-card:hover { border-color: var(--sage); transform: translateY(-3px); box-shadow: var(--shadow); }
.mod-card { display: grid; grid-template-columns: 1fr 170px; column-gap: 16px; align-content: start; }
.mod-art {
  grid-column: 2; grid-row: 1 / 3; width: 170px; height: 170px; margin: -12px -8px 8px 0; justify-self: end;
  background: radial-gradient(circle at 50% 55%, var(--mint-50) 0 58%, transparent 59%);
  transition: transform .3s ease;
}
.mod-card:nth-child(2) .mod-art { background-image: radial-gradient(circle at 50% 55%, #F6EBDD 0 58%, transparent 59%); }
.mod-card:nth-child(3) .mod-art { background-image: radial-gradient(circle at 50% 55%, #FDF1D2 0 58%, transparent 59%); }
.mod-card:hover .mod-art { transform: rotate(-4deg) translateY(-4px); }
.mod-card h3 { grid-column: 1; align-self: end; font-size: 22px; margin-bottom: 6px; color: var(--green-900); }
.mod-card > p { grid-column: 1; color: var(--ink-2); margin-bottom: 18px; }
.mod-card .chips { grid-column: 1 / -1; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 14px; font-weight: 500; padding: 6px 12px; border-radius: 999px; background: var(--mint-50); color: var(--green-700); }

/* Parent app */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.split-copy h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--green-900); margin-bottom: 16px; }
.split-copy > p { color: var(--ink-2); font-size: 17px; margin-bottom: 28px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.ticks li { display: flex; gap: 14px; align-items: flex-start; }
.ticks .ic { width: 28px; height: 28px; padding: 5px; border-radius: 50%; background: var(--green); color: var(--white); stroke-width: 3; }
.ticks b { color: var(--green-900); }
.ticks div { color: var(--ink-2); }

.phone {
  width: min(320px, 100%); margin-inline: auto; padding: 12px; border-radius: 44px;
  background: #11231B; box-shadow: 0 30px 60px -20px rgba(14, 58, 40, .45), inset 0 0 0 2px #2A3F35;
  transform: rotate(-3deg);
}
.phone-screen { border-radius: 34px; overflow: hidden; background: #F6F8F7; font-size: 13px; }
.ph-top { background: var(--green); color: var(--white); padding: 14px 20px 44px; }
.ph-status { display: flex; justify-content: space-between; font-size: 11px; font-weight: 600; margin-bottom: 14px; opacity: .9; }
.ph-app { font: 700 17px var(--display); margin-bottom: 10px; }
.ph-hi { font-weight: 600; font-size: 15px; }
.ph-sub { font-size: 12px; opacity: .8; }
.ph-body { background: #F6F8F7; margin-top: -26px; border-radius: 22px 22px 0 0; padding: 16px 16px 20px; display: grid; gap: 10px; }
.ph-h { font: 700 14px var(--display); color: var(--green-900); margin-top: 4px; }
.ph-saldo { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ph-saldo div, .ph-limit, .ph-bill, .ph-note { background: var(--white); border-radius: 12px; padding: 10px 12px; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.ph-saldo small, .ph-limit small, .ph-bill small, .ph-note small { display: block; color: var(--ink-2); font-size: 11px; }
.ph-saldo b { font: 800 14px var(--display); color: var(--green-900); }
.ph-limit { background: var(--mint-50); display: grid; gap: 6px; }
.bar { height: 7px; border-radius: 9px; background: var(--mint); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--green); border-radius: 9px; }
.ph-bill { display: flex; justify-content: space-between; align-items: center; }
.ph-bill .due { color: #CD280E; }
.ph-pay { background: var(--green); color: var(--white); font-weight: 700; font-size: 12px; padding: 7px 14px; border-radius: 8px; }
.ph-note { display: flex; gap: 10px; align-items: center; }
.dot { width: 30px; height: 30px; border-radius: 9px; flex: none; }
.dot.g { background: var(--mint); }
.dot.y { background: #FCE7B4; }

/* Roles */
.role-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.role { background: var(--cream); border-radius: var(--radius); padding: 26px 24px; border-bottom: 5px solid var(--teak); }
.role:nth-child(2) { border-color: var(--green); }
.role:nth-child(3) { border-color: var(--gold); }
.role:nth-child(4) { border-color: var(--sage); }
.role-tag { display: block; font: 800 18px var(--display); color: var(--green-900); margin-bottom: 10px; }
.role p { color: var(--ink-2); font-size: 15px; }

/* Security */
.sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sec { padding: 28px 24px; border-radius: var(--radius); background: rgba(255,255,255,.05); border: 1px solid rgba(197, 211, 205, .15); }
.sec .ic { width: 34px; height: 34px; color: var(--gold); margin-bottom: 16px; }
.sec h3 { color: var(--white); font-size: 18px; margin-bottom: 8px; }
.sec p { font-size: 15px; color: var(--sage); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 26px; left: 12%; right: 12%; border-top: 3px dashed var(--mint); }
.steps li { position: relative; text-align: center; padding: 0 8px; }
.steps span {
  display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--green); color: var(--green); font: 800 20px var(--display);
}
.steps li:last-child span { background: var(--green); color: var(--white); }
.steps h3 { font-size: 19px; color: var(--green-900); margin-bottom: 6px; }
.steps p { color: var(--ink-2); font-size: 15px; }

/* FAQ */
.faq-wrap { max-width: 780px; }
.faq { display: grid; gap: 12px; }
.faq details { background: var(--white); border-radius: 14px; border: 2px solid var(--line); padding: 0 22px; }
.faq details[open] { border-color: var(--sage); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 0; font: 700 17px var(--display); color: var(--green-900);
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; line-height: 1; color: var(--green); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); padding-bottom: 20px; }

/* CTA */
.cta { background: var(--green); padding: 72px 0; color: var(--mint); }
.cta-inner { display: flex; align-items: center; gap: 48px; }
.cta-mascot { width: 220px; flex: none; border-radius: 50%; background: var(--white); padding: 10px; box-shadow: 0 0 0 8px rgba(255,255,255,.12); }
.cta h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--white); margin-bottom: 10px; }
.cta p { font-size: 18px; margin-bottom: 26px; }

/* Footer */
.footer { background: var(--green-900); color: var(--sage); padding: 40px 0; font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.brand-light { color: var(--white); }
.brand-light b { color: var(--sage); }
.muted { opacity: .7; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-art { max-width: 480px; margin-inline: auto; }
  .role-grid, .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 48px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px;
    background: var(--cream); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 12px; justify-content: center; }
  .mod-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .steps::before { display: none; }
  .cta-inner { flex-direction: column; text-align: center; gap: 28px; }
  .cta-mascot { width: 160px; }
}
@media (max-width: 520px) {
  .hero { padding: 36px 0 100px; }
  .lead { font-size: 17px; }
  .section { padding: 72px 0; }
  .role-grid, .sec-grid, .steps { grid-template-columns: 1fr; }
  .bubble { position: relative; max-width: none; margin-bottom: 8px; }
  .mod-card { padding: 22px; grid-template-columns: 1fr; }
  .mod-art { grid-column: 1; grid-row: auto; justify-self: center; margin: -6px 0 6px; }
  .mod-card h3, .mod-card > p { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .mascot { animation: none; }
  .mod-art { transition: none; }
  html { scroll-behavior: auto; }
}