/* ============================================================
   Thrive Study Global: styles.
   Built on top of Bootstrap 5 (grid, navbar, forms) with the
   site's own cream/navy/lavender/amber theme layered on top.
   ============================================================ */

:root {
  --cream: #faf5ec;
  --cream-deep: #f3ead9;
  --navy: #1c2a4a;
  --navy-deep: #131d35;
  --lavender: #e7e3f6;
  --lavender-deep: #d7d1ef;
  --paper: #ffffff;
  --ink-soft: #4b5573;
  --leaf: #5c7a5e;
  --spark: #e8763c;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --shadow-soft: 0 10px 30px rgba(28, 42, 74, 0.08);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--cream);
  color: var(--navy);
  line-height: 1.55;
}

h1, h2, h3 {
  font-family: "Poppins", "Inter", sans-serif;
  color: var(--navy);
}

a { color: inherit; }

img, svg { max-width: 100%; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  z-index: 1200;
}
.skip-link:focus { left: 20px; top: 20px; }

/* ---------- Buttons (Bootstrap variable overrides) ---------- */
.btn {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
}
.btn-primary {
  --bs-btn-bg: var(--navy);
  --bs-btn-border-color: var(--navy);
  --bs-btn-color: #fff;
  --bs-btn-hover-bg: var(--navy-deep);
  --bs-btn-hover-border-color: var(--navy-deep);
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--navy-deep);
  --bs-btn-active-border-color: var(--navy-deep);
  --bs-btn-active-color: #fff;
  --bs-btn-focus-box-shadow: 0 0 0 0.2rem rgba(28, 42, 74, 0.25);
}
.btn-secondary {
  --bs-btn-bg: var(--lavender);
  --bs-btn-border-color: var(--lavender);
  --bs-btn-color: var(--navy);
  --bs-btn-hover-bg: var(--lavender-deep);
  --bs-btn-hover-border-color: var(--lavender-deep);
  --bs-btn-hover-color: var(--navy);
  --bs-btn-active-bg: var(--lavender-deep);
  --bs-btn-active-border-color: var(--lavender-deep);
  --bs-btn-active-color: var(--navy);
  --bs-btn-focus-box-shadow: 0 0 0 0.2rem rgba(28, 42, 74, 0.15);
}

/* ---------- Admission banner ---------- */
.admission-banner {
  display: block;
  background: #c0392b;
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
}
.admission-banner:hover { background: #a5301f; color: #fff; }

/* ---------- Header / navbar ---------- */
.site-header {
  padding: 18px 0;
  background: transparent;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
}
.brand:hover { color: var(--navy); }
.brand svg { width: 40px; height: 40px; }

.navbar-toggler {
  border-color: var(--navy);
  padding: 6px 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 0.2rem rgba(28, 42, 74, 0.2); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%231c2a4a' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.navbar-nav .nav-link {
  color: var(--navy);
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.9rem;
}
.navbar-nav .nav-link:hover { background: var(--cream-deep); }

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--paper);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 14px;
    margin-top: 12px;
  }
}

/* ---------- Hero ---------- */
.hero-panel {
  margin: 18px 0 60px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, #eef1e2 0%, #f6ede0 55%, #f3e6d8 100%);
  box-shadow: var(--shadow-soft);
  padding: 40px 28px;
}
@media (min-width: 992px) {
  .hero-panel { padding: 56px 60px; }
}
.hero-inner h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
}
.hero-inner .lead {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 46ch;
}
.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 360px; overflow: visible; }

/* ---------- Hero envelope animation ---------- */
.env-flap {
  transform-box: view-box;
  transform-origin: 160px 120px;
  animation: envFlap 4.5s ease-in-out infinite;
}
.env-cards {
  animation: envCards 4.5s ease-in-out infinite;
}
.env-badge {
  transform-box: view-box;
  transform-origin: 245px 70px;
  animation: envBadge 4.5s ease-in-out infinite;
}
.env-swoosh {
  animation: envSwoosh 4.5s ease-in-out infinite;
}

@keyframes envFlap {
  0%, 8%    { transform: scaleY(1); }
  30%, 58%  { transform: scaleY(-1); }
  80%, 100% { transform: scaleY(1); }
}
@keyframes envCards {
  0%, 8%    { transform: translateY(70px); }
  30%, 58%  { transform: translateY(0); }
  80%, 100% { transform: translateY(70px); }
}
@keyframes envBadge {
  0%, 20%   { transform: scale(0); opacity: 0; }
  34%       { transform: scale(1.15); opacity: 1; }
  40%, 55%  { transform: scale(1); opacity: 1; }
  68%       { transform: scale(0); opacity: 0; }
  100%      { transform: scale(0); opacity: 0; }
}
@keyframes envSwoosh {
  0%, 10%   { opacity: 0; }
  30%, 58%  { opacity: 1; }
  78%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .env-flap, .env-cards, .env-badge, .env-swoosh { animation: none; }
  .env-flap { transform: scaleY(-1); }
  .env-cards { transform: translateY(0); }
  .env-badge { transform: scale(1); opacity: 1; }
  .env-swoosh { opacity: 1; }
}

/* ---------- Section basics ---------- */
section { padding: 50px 0; }
.section-heading { max-width: 640px; margin: 0 auto 36px; text-align: center; }
.section-heading h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.section-heading p { color: var(--ink-soft); }

.eyebrow {
  display: inline-block;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--leaf);
  background: #eef3ea;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

/* ---------- About / story ---------- */
.about-art {
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-soft);
}
.about-art svg { width: 100%; }

.story-line-1 { animation: storyType 4s ease-in-out infinite; }
.story-line-2 { animation: storyType 4s ease-in-out infinite 0.35s; }
.story-line-3 { animation: storyType 4s ease-in-out infinite 0.7s; }
@keyframes storyType {
  0%, 8%    { stroke-dashoffset: var(--len); }
  40%, 78%  { stroke-dashoffset: 0; }
  96%, 100% { stroke-dashoffset: var(--len); }
}
.story-line-1 { --len: 120; }
.story-line-2 { --len: 120; }
.story-line-3 { --len: 90; }

.story-pen {
  transform-box: view-box;
  transform-origin: 238px 147px;
  animation: penTap 4s ease-in-out infinite;
}
@keyframes penTap {
  0%, 8%    { transform: scale(0.75); opacity: 0.55; }
  20%, 78%  { transform: scale(1); opacity: 1; }
  92%, 100% { transform: scale(0.75); opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .story-line-1, .story-line-2, .story-line-3, .story-pen { animation: none; }
  .story-line-1, .story-line-2, .story-line-3 { stroke-dashoffset: 0; }
  .story-pen { transform: scale(1); opacity: 1; }
}

/* ---------- Subjects / steps / why-us cards ---------- */
.subject-card,
.step,
.review-card {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  box-shadow: var(--shadow-soft);
}
.subject-card .icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: var(--lavender);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.subject-card .icon svg { width: 24px; height: 24px; }
.subject-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.subject-card p { font-size: 0.92rem; color: var(--ink-soft); margin: 0; }

.step .num {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  margin-bottom: 14px;
}

.review-card p.quote { color: var(--navy); font-size: 0.97rem; margin: 0; }

/* ---------- Register ---------- */
.register-panel {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 24px;
}
@media (min-width: 992px) { .register-panel { padding: 56px 60px; } }
.register-panel .section-heading h2,
.register-panel .section-heading p { color: #fff; }
.register-panel .eyebrow { background: rgba(255,255,255,0.12); color: #fff; }

.reg-form {
  background: #fff;
  border-radius: var(--radius-md);
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px;
  color: var(--navy);
}
@media (min-width: 576px) { .reg-form { padding: 32px; } }
.reg-form .form-label,
.reg-form legend {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  color: var(--navy);
}
.reg-form fieldset { border: none; margin: 0; padding: 0; }
.reg-form .form-control,
.reg-form .form-select {
  background: var(--cream);
  border-color: #d9d3c4;
  border-radius: var(--radius-md);
  color: var(--navy);
}
.reg-form .form-control:focus,
.reg-form .form-select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 0.2rem rgba(28, 42, 74, 0.15);
}
.form-check-input:checked {
  background-color: var(--navy);
  border-color: var(--navy);
}
.form-check-input:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 0.2rem rgba(28, 42, 74, 0.15);
}
.form-fallback {
  text-align: center;
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Subject icon animations ---------- */
.ico-maths {
  transform-box: view-box;
  transform-origin: 12px 12px;
  animation: mathsPulse 2.2s ease-in-out infinite;
}
@keyframes mathsPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.1); }
}

.ico-leaf {
  transform-box: view-box;
  transform-origin: 12px 19px;
  animation: leafSway 3s ease-in-out infinite;
}
@keyframes leafSway {
  0%, 100% { transform: rotate(-6deg); }
  50%      { transform: rotate(6deg); }
}

.bubble { transform-box: view-box; }
.bubble-1 { animation: bubbleRise 2.2s ease-in infinite; }
.bubble-2 { animation: bubbleRise 2.2s ease-in infinite 0.5s; }
.bubble-3 { animation: bubbleRise 2.2s ease-in infinite 1s; }
@keyframes bubbleRise {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 0.85; }
  90%  { opacity: 0; }
  100% { transform: translateY(-9px); opacity: 0; }
}

.electron {
  transform-box: view-box;
  transform-origin: 12px 12px;
  animation: orbit 3s linear infinite;
}
@keyframes orbit {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.ico-line1 { animation: typeLine 3s ease-in-out infinite; }
.ico-line2 { animation: typeLine 3s ease-in-out infinite 0.4s; }
@keyframes typeLine {
  0%, 8%   { stroke-dashoffset: var(--line-len, 8); }
  35%, 75% { stroke-dashoffset: 0; }
  95%, 100% { stroke-dashoffset: var(--line-len, 8); }
}
.ico-line1 { --line-len: 8; }
.ico-line2 { --line-len: 5; }

.ico-star {
  transform-box: view-box;
  transform-origin: 12px 12px;
  animation: twinkle 2.4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.18); opacity: 0.65; }
}

@media (prefers-reduced-motion: reduce) {
  .ico-maths, .ico-leaf, .bubble-1, .bubble-2, .bubble-3,
  .electron, .ico-line1, .ico-line2, .ico-star {
    animation: none;
  }
  .ico-line1, .ico-line2 { stroke-dashoffset: 0; }
}

/* ---------- Contact ---------- */
.contact-card {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.contact-card .icon {
  width: 42px; height: 42px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--cream-deep);
  display: flex; align-items: center; justify-content: center;
  animation: iconBounce 2.6s ease-in-out infinite;
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card a { color: var(--navy); text-decoration: underline; }

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}

/* ---------- Footer ---------- */
footer {
  padding: 40px 0 30px;
  border-top: 1px solid rgba(28,42,74,0.08);
  margin-top: 20px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
}
.footer-nav a { text-decoration: none; color: var(--ink-soft); }
.footer-nav a:hover { color: var(--navy); }
.footer-fine { font-size: 0.82rem; color: var(--ink-soft); margin-top: 20px; }