:root {
  --ink: #0b1120;
  --ink-soft: #4b5468;
  --paper: #fbfbfd;
  --line: #e6e8f0;
  --brand: #2f6df6;
  --brand-dark: #1c3faa;
  --brand-soft: #eaf0ff;
  --accent: #ff8a3d;
  --radius: 18px;
  --shadow: 0 20px 45px -20px rgba(15, 23, 42, 0.25);
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.01em; }
p { margin: 0; color: var(--ink-soft); }

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-large { padding: 16px 30px; font-size: 1.02rem; background: var(--brand); }
.btn-small { padding: 10px 18px; font-size: 0.85rem; background: var(--brand); }
.btn-submit { width: 100%; justify-content: center; background: var(--brand); }
.btn-light { background: #fff; color: var(--ink); }
.btn span { transition: transform 0.2s ease; }
.btn:hover span { transform: translate(3px, -1px); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--brand);
}
.text-link.dark-link { color: var(--ink); }
.text-link span { transition: transform 0.2s ease; }
.text-link:hover span { transform: translate(2px, 2px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 16px;
}
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.eyebrow-dark { color: #cfe0ff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 253, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; }
.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  display: inline-block;
}
.brand-mark span {
  position: absolute;
  background: #fff;
  border-radius: 3px;
}
.brand-mark span:first-child { width: 12px; height: 4px; top: 9px; left: 9px; }
.brand-mark span:last-child { width: 4px; height: 12px; top: 9px; left: 9px; }
.brand-text span { color: var(--brand); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a:not(.btn) { font-weight: 600; color: var(--ink-soft); font-size: 0.94rem; transition: color 0.2s ease; }
.nav-links a:not(.btn):hover { color: var(--ink); }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  position: relative;
}
.menu-toggle span {
  position: absolute;
  left: 9px;
  right: 9px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle span:first-child { top: 15px; }
.menu-toggle span:last-child { top: 23px; }
.menu-toggle.active span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle.active span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 60px;
}
.hero-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  z-index: 0;
}
.hero-glow-one { background: var(--brand); top: -160px; right: -120px; }
.hero-glow-two { background: var(--accent); bottom: -180px; left: -140px; }

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}
.hero-copy h1 { font-size: clamp(2.4rem, 4.4vw, 3.6rem); }
.hero-copy h1 span { color: var(--brand); }
.hero-sub { margin-top: 20px; font-size: 1.08rem; max-width: 480px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; flex-wrap: wrap; }
.hero-proof { display: flex; align-items: center; gap: 14px; margin-top: 40px; }
.avatar-stack { display: flex; }
.avatar-stack span {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
  margin-left: -10px;
}
.avatar-stack span:first-child { margin-left: 0; }
.hero-proof p { font-size: 0.88rem; color: var(--ink-soft); }
.hero-proof strong { color: var(--ink); }

.hero-visual { display: flex; justify-content: center; }
.device-scene { position: relative; width: 100%; max-width: 420px; }
.laptop { position: relative; z-index: 1; }
.laptop-screen {
  background: linear-gradient(160deg, #101a33, #182655);
  border-radius: 16px 16px 4px 4px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.screen-nav { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.screen-logo {
  width: 20px; height: 20px; border-radius: 6px;
  background: var(--brand);
  color: #fff; font-size: 0.7rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.screen-nav span:not(.screen-logo) { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.25); }
.screen-body { color: #fff; }
.screen-kicker { font-size: 0.65rem; letter-spacing: 0.1em; color: #8fb0ff; font-weight: 700; }
.screen-body strong { display: block; font-size: 1.4rem; margin: 8px 0 18px; }
.screen-card-row { display: flex; gap: 10px; }
.screen-card-row div {
  flex: 1;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 10px;
  font-size: 0.72rem;
}
.screen-card-row span { display: block; color: #8fb0ff; font-weight: 700; margin-bottom: 4px; }
.screen-card-row b { font-weight: 700; }
.laptop-base {
  height: 14px;
  background: linear-gradient(160deg, #d9dee9, #b9c2d6);
  border-radius: 0 0 14px 14px;
  margin: 0 -6px;
  box-shadow: var(--shadow);
}

.floating-chip {
  position: absolute;
  display: flex; align-items: center; gap: 6px;
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: var(--shadow);
  z-index: 2;
  animation: float 5s ease-in-out infinite;
}
.chip-one { top: -10px; left: -20px; }
.chip-two { bottom: 40px; right: -30px; animation-delay: 1.5s; }
.floating-chip span { color: var(--brand); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.desktop-tower {
  position: absolute;
  bottom: -10px;
  left: 10px;
  width: 34px;
  height: 60px;
  background: linear-gradient(160deg, #eef1f8, #d3d9e8);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.desktop-tower span { position: absolute; top: 8px; left: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.desktop-tower i { position: absolute; left: 8px; width: 18px; height: 2px; background: rgba(11,17,32,0.15); }
.desktop-tower i:nth-child(2) { top: 26px; }
.desktop-tower i:nth-child(3) { top: 34px; }

.impact-badge {
  position: absolute;
  top: 30%;
  right: -40px;
  background: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
  text-align: right;
}
.impact-badge small { display: block; font-size: 0.65rem; color: var(--ink-soft); font-weight: 600; }
.impact-badge strong { display: block; font-size: 1.4rem; color: var(--brand); }
.impact-badge span { font-size: 0.7rem; color: var(--ink-soft); }

.trust-strip {
  margin-top: 70px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.trust-strip div { font-weight: 700; color: var(--ink); }
.trust-strip i { width: 4px; height: 4px; border-radius: 50%; background: var(--line); }

/* ---------- Mission snapshot ---------- */
.mission-snapshot { background: var(--ink); color: #fff; padding: 60px 0 30px; }
.snapshot-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 30px;
  align-items: end;
}
.snapshot-label span { display: block; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: #8fb0ff; font-weight: 700; margin-bottom: 10px; }
.snapshot-label strong { font-size: 1.6rem; font-weight: 700; }
.snapshot-stat strong { display: block; font-size: 2.6rem; color: var(--accent); font-weight: 800; }
.snapshot-stat span { font-size: 0.88rem; color: #b7c0d9; }
.goal-note { text-align: center; font-size: 0.78rem; color: #7c869e; margin-top: 30px; padding-bottom: 10px; }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }

.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; }
.about-sticky { align-self: start; position: sticky; top: 110px; }
.about-sticky h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 18px; }
.about-sticky p { margin-bottom: 20px; font-size: 1.02rem; }

.story-cards { display: flex; flex-direction: column; gap: 20px; }
.story-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.story-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.story-number { position: absolute; top: 24px; right: 28px; font-size: 0.8rem; font-weight: 700; color: var(--line); }
.story-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.story-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.story-card p { font-size: 0.95rem; }

/* ---------- Business / companies ---------- */
.business-section { background: linear-gradient(180deg, #0b1120, #131c33); color: #fff; position: relative; overflow: hidden; }
.business-orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.3; }
.business-orb.one { width: 380px; height: 380px; background: var(--brand); top: -100px; left: -80px; }
.business-orb.two { width: 320px; height: 320px; background: var(--accent); bottom: -100px; right: -60px; }
.business-intro { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-bottom: 50px; }
.business-intro h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.business-intro h2 span { color: var(--accent); }
.business-intro p { color: #b7c0d9; font-size: 1.02rem; }

.business-cards { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 60px; }
.business-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s ease, background 0.25s ease;
}
.business-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.08); }
.featured-card { background: linear-gradient(160deg, rgba(47,109,246,0.25), rgba(47,109,246,0.05)); border-color: rgba(47,109,246,0.4); }
.business-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.line-icon { font-size: 1.5rem; color: var(--accent); }
.tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; background: var(--accent); color: #201200; padding: 4px 10px; border-radius: 999px; }
.business-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.business-card p { color: #b7c0d9; font-size: 0.92rem; }
.card-footer { margin-top: 18px; font-size: 0.82rem; font-weight: 700; color: var(--accent); }

.process-wrap { position: relative; z-index: 1; }
.process-heading { text-align: center; margin-bottom: 40px; }
.process-heading span { display: block; font-size: 0.8rem; color: #8fb0ff; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 10px; }
.process-heading h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process-step { display: flex; flex-direction: column; gap: 10px; padding: 20px; border-radius: 14px; background: rgba(255,255,255,0.04); }
.process-step span { font-size: 0.8rem; font-weight: 800; color: var(--accent); }
.process-step h4 { font-size: 1.02rem; }
.process-step p { color: #b7c0d9; font-size: 0.88rem; }

/* ---------- Donation section ---------- */
.donation-section { background: var(--paper); }
.form-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.donation-copy h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 16px; }
.donation-copy p { margin-bottom: 26px; }
.accepted-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 30px; }
.accepted-grid span { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.accepted-grid i { width: 22px; height: 22px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-dark); display: flex; align-items: center; justify-content: center; font-style: normal; font-size: 0.7rem; }

.security-note { display: flex; gap: 14px; padding: 20px; border-radius: 14px; background: #fff7ed; border: 1px solid #ffe3c2; }
.security-note span { font-size: 1.3rem; }
.security-note strong { display: block; margin-bottom: 4px; font-size: 0.92rem; }
.security-note p { font-size: 0.86rem; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}
.form-heading { margin-bottom: 22px; display: block; }
.form-heading span { display: block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--brand); margin-bottom: 8px; }
.form-heading strong { font-size: 1.2rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 16px; }
.contact-form input, .contact-form select, .contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
  background: #fbfbfd;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.contact-form textarea { resize: vertical; }
.form-smallprint { font-size: 0.76rem; margin-top: 14px; text-align: center; }
.form-message { margin-top: 12px; font-size: 0.88rem; font-weight: 600; color: var(--brand-dark); min-height: 1.2em; text-align: center; }

/* ---------- Volunteer ---------- */
.volunteer-section { background: var(--brand-soft); }
.volunteer-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: center; }
.volunteer-window {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.window-bar { display: flex; gap: 6px; padding: 12px 16px; background: #eef1f8; }
.window-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cfd6e6; }
.window-content { padding: 30px; }
.window-content span { display: block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; color: var(--brand); margin-bottom: 10px; }
.window-content strong { font-size: 1.3rem; display: block; margin-bottom: 20px; }
.window-lines i { display: block; height: 10px; border-radius: 6px; background: #eef1f8; margin-bottom: 10px; }
.window-lines i:nth-child(2) { width: 80%; }
.window-lines i:nth-child(3) { width: 60%; }
.volunteer-visual { position: relative; }
.volunteer-badge {
  position: absolute;
  bottom: -18px;
  right: 20px;
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 0.82rem;
  box-shadow: var(--shadow);
}
.volunteer-badge strong { color: var(--accent); }

.volunteer-copy h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 16px; }
.volunteer-copy p { margin-bottom: 26px; }
.volunteer-list { display: flex; flex-direction: column; gap: 18px; margin-bottom: 30px; }
.volunteer-list div { display: flex; gap: 16px; align-items: flex-start; }
.volunteer-list span { font-weight: 800; color: var(--brand); font-size: 0.95rem; }
.volunteer-list p { font-size: 0.94rem; }
.volunteer-list strong { display: block; color: var(--ink); margin-bottom: 2px; }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; }
.faq-intro h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin: 10px 0 14px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  background: #fff;
}
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--brand); font-size: 1.2rem; transition: transform 0.2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin-top: 12px; font-size: 0.92rem; }

/* ---------- CTA ---------- */
.cta-section { padding: 0 24px 90px; }
.cta-box {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-radius: 28px;
  padding: 60px;
  display: flex;
  align-items: center;
  gap: 40px;
  color: #fff;
}
.cta-mark {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 800;
  flex-shrink: 0;
}
.cta-copy { flex: 1; }
.cta-copy span { display: block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: #cfe0ff; margin-bottom: 10px; }
.cta-copy h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 10px; }
.cta-copy p { color: #dbe6ff; }

/* ---------- Footer ---------- */
footer { background: var(--ink); color: #b7c0d9; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand { margin-bottom: 14px; }
.footer-main p { max-width: 280px; font-size: 0.9rem; }
footer h4 { color: #fff; font-size: 0.9rem; margin-bottom: 16px; }
footer div a { display: block; font-size: 0.88rem; margin-bottom: 10px; color: #b7c0d9; }
footer div a:hover { color: #fff; }
footer p { font-size: 0.85rem; margin-top: 10px; }
.footer-bottom { display: flex; justify-content: space-between; padding: 24px 0; font-size: 0.8rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .business-intro, .form-grid, .volunteer-grid, .faq-grid { grid-template-columns: 1fr; }
  .about-sticky { position: static; }
  .snapshot-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .business-cards { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .hero-visual { margin-top: 20px; }
  .cta-box { flex-direction: column; text-align: center; }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
  .field-row, .accepted-grid, .business-cards, .process, .snapshot-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .impact-badge { display: none; }
}