/* ==========================================================================
   SAT Webinar Landing Page — Resonance e-Learning Programs
   Desktop design: 1440px · Mobile design: 375px
   Fonts: Poppins (body/headings), Oswald (hero display + form CTA)
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --navy: #011D42;
  --navy-2: #0A2A57;
  --lime: #B5D04A;
  --lime-dark: #A3BE3A;
  --lime-tint: #ECF4DB;
  --lime-wash: #F5F9EC;
  --blue-tint: #EEF2FA;
  --white: #FFFFFF;

  --text: #011D42;
  --text-muted: #4B5A70;
  --text-soft: #5D6A7E;
  --line: #DCE3EE;
  --card-bg: #F6F8F3;
  --card-line: #E3E8DC;
  --input-bg: #F7F9FD;
  --danger: #E5484D;

  --font-body: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Oswald", "Poppins", sans-serif;

  --container: 1280px;
  --container-md: 1200px;
  --container-sm: 1104px;
  --gutter: clamp(20px, 5.55vw, 80px);

  --section-y: clamp(56px, 5.6vw, 80px);
  --radius-sm: 4px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 4px 16px rgba(1, 29, 66, 0.06);
  --shadow-card-hover: 0 14px 32px rgba(1, 29, 66, 0.12);
  --shadow-soft: 0 2px 6px rgba(1, 29, 66, 0.08);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--md { max-width: calc(var(--container-md) + var(--gutter) * 2); }
.container--sm { max-width: calc(var(--container-sm) + var(--gutter) * 2); }

.section { position: relative; padding-block: var(--section-y); }
.text-center { text-align: center; }
.tint-lime { background: var(--lime-wash); }

/* ---------- Typography ---------- */
.h2 {
  font-weight: 600;
  font-size: clamp(26px, 2.5vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.h2--light { color: var(--white); }

.lead {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--text-muted);
  line-height: 1.55;
}
.lead--dark { color: var(--navy); }

.section-sub {
  margin-top: 14px;
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--text-muted);
}
.section-sub--lg { margin-top: 8px; font-size: clamp(16px, 1.35vw, 19px); }

.small-text { font-size: 15px; color: var(--text-muted); }

.card-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}
.card-label--wide { letter-spacing: 0.18em; }

/* ---------- Buttons ---------- */
.btn {
  --arrow-shift: 0px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 16px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.btn-lg { padding: 13px 24px; min-height: 48px; font-size: clamp(16px, 1.25vw, 18px); }

.btn .arrow {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: translateX(var(--arrow-shift));
  transition: transform var(--dur) var(--ease);
}
.btn:hover { --arrow-shift: 4px; transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

/* shine sweep */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.8s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }

.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-2); box-shadow: 0 10px 22px rgba(1, 29, 66, 0.25); }

.btn-lime { background: var(--lime); color: var(--navy); font-weight: 500; }
.btn-lime:hover { background: #C3DC5B; box-shadow: 0 10px 24px rgba(181, 208, 74, 0.35); }

.btn-outline {
  background: var(--input-bg);
  color: var(--navy);
  border: 1px solid #A7B4C8;
  font-size: clamp(15px, 1.2vw, 17px);
}
.btn-outline:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  text-align: center;
}
.cta-lead { font-weight: 600; font-size: clamp(16px, 1.4vw, 20px); color: var(--navy); }
.cta-lead--light { font-weight: 400; font-size: clamp(16px, 1.3vw, 19px); }
.cta-lead--white { color: var(--white); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 6px 20px rgba(1, 29, 66, 0.08); }
.header-inner { display: flex; align-items: center; height: 60px; }
.logo img { width: auto; height: 40px; }

/* ==========================================================================
   01 · HERO
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 80px;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(20, 67, 128, 0.55) 0%, rgba(1, 29, 66, 0) 60%),
    var(--navy);
  color: var(--white);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.55;
  animation: glowDrift 16s ease-in-out infinite alternate;
}
.hero-glow--a {
  left: -180px;
  bottom: -220px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(70, 108, 88, 0.75) 0%, rgba(1, 29, 66, 0) 70%);
}
.hero-glow--b {
  right: 6%;
  top: -160px;
  width: 520px;
  height: 460px;
  background: radial-gradient(circle, rgba(19, 64, 124, 0.9) 0%, rgba(1, 29, 66, 0) 70%);
  animation-delay: -6s;
}

@keyframes glowDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(40px, -30px, 0) scale(1.08); }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 642px);
  align-items: center;
  gap: 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(181, 208, 74, 0.1);
  border: 1px solid rgba(181, 208, 74, 0.35);
  color: var(--lime);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
}
.eyebrow-icon {
  flex: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: twinkle 2.8s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  50%      { transform: scale(1.15) rotate(12deg); opacity: 0.8; }
}

.hero-title {
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 4.45vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
.br-lg { display: none; }
@media (min-width: 992px) { .br-lg { display: inline; } }
.hero-subtitle {
  margin-top: 6px;
  font-weight: 600;
  font-size: clamp(22px, 2.3vw, 33px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--lime);
}
.hero-text {
  margin-top: 26px;
  max-width: 500px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.94);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.chips--center { justify-content: center; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.chip:hover { background: rgba(181, 208, 74, 0.1); border-color: rgba(181, 208, 74, 0.45); transform: translateY(-2px); }
.chip img { width: 16px; height: 16px; }

/* ---------- Form card ---------- */
.form-card {
  background: var(--white);
  color: var(--navy);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 30px 60px rgba(0, 10, 30, 0.35);
}
.form-title {
  font-weight: 600;
  font-size: clamp(22px, 1.7vw, 24px);
  line-height: 1.3;
  margin-bottom: 18px;
}

.reg-form { display: grid; gap: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 15px; font-weight: 500; color: var(--navy); }
.req { color: var(--danger); margin-left: 1px; }

.field input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--navy);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}
.field input::placeholder { color: #5E6C82; }
.field input:hover { border-color: #BCC8DA; }
.field input:focus {
  outline: none;
  background: var(--white);
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(181, 208, 74, 0.35);
}
.field input.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(229, 72, 77, 0.14); }
.field input.is-invalid { animation: shake 0.35s var(--ease); }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.otp-group { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.btn-otp {
  height: 40px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  background: var(--lime-tint);
  border: 1px solid var(--lime);
  color: var(--navy);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-otp:hover { background: var(--lime); }
.btn-otp:active { transform: scale(0.97); }
.btn-otp:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-form {
  width: 100%;
  min-height: 46px;
  margin-top: 0;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.btn-form:hover { background: var(--navy-2); box-shadow: 0 12px 26px rgba(1, 29, 66, 0.28); }

.form-note { margin-top: -4px; text-align: center; font-size: 13px; font-weight: 500; color: var(--text-muted); }

/* ==========================================================================
   02 · HOOK
   ========================================================================== */
.hook { background: var(--blue-tint); }
.hook-grid {
  display: grid;
  grid-template-columns: minmax(0, 576px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.video-card {
  position: relative;
  aspect-ratio: 576 / 615;
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0) 70%, rgba(0, 0, 0, 0.95) 100%),
    linear-gradient(180deg, rgba(1, 29, 66, 0) 45%, rgba(29, 72, 120, 0.9) 62%, rgba(12, 44, 84, 0.9) 80%),
    linear-gradient(135deg, #0B2550 0%, #1A3A56 45%, #2A4A4E 100%);
  box-shadow: var(--shadow-card);
}
.video-card--thumb {
  background-image: url("../images/webinar/sat/video-thumbnail.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.video-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 35% at 50% 38%, rgba(255, 255, 255, 0.07), transparent 70%);
  pointer-events: none;
}
.play-btn {
  position: relative;
  width: 66px;
  height: 66px;
  margin-bottom: 16%;
  border-radius: 50%;
  background: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform var(--dur) var(--ease);
}
.play-btn::before,
.play-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  animation: pulseRing 2.6s var(--ease) infinite;
}
.play-btn::after { animation-delay: 1.3s; }
.play-btn svg {
  width: 36px;
  height: 36px;
  fill: none;
  stroke: var(--navy);
  stroke-width: 2;
  stroke-linejoin: round;
}
.play-btn:hover { transform: scale(1.08); }
@keyframes pulseRing {
  0%   { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.7); opacity: 0; }
}

.hook-title {
  font-size: clamp(28px, 2.8vw, 40px);
  line-height: 1.2;
  max-width: 580px;
}
.hook-copy .lead { margin-top: 20px; }

.think-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}
.think-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 14px 16px;
  background: var(--white);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.think-item img { flex: none; width: 40px; height: 40px; transition: transform var(--dur) var(--ease); }
.think-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.think-item:hover img { transform: rotate(-8deg) scale(1.06); }

.clarity-box {
  position: relative;
  margin-top: 32px;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: #EDF2E4;
  overflow: hidden;
}
.clarity-box::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--lime);
  border-radius: var(--radius) 0 0 var(--radius);
  transform-origin: top;
  transform: scaleY(0);
  transition: transform 0.9s var(--ease) 0.3s;
}
.clarity-box.is-visible::before { transform: scaleY(1); }
.clarity-title { font-weight: 600; font-size: clamp(17px, 1.45vw, 21px); line-height: 1.35; }
.clarity-text { margin-top: 6px; font-size: 15px; color: var(--text-muted); }

.hook-copy .small-text { margin-top: 32px; }
.hook-copy .btn { margin-top: 20px; }

/* ==========================================================================
   03 · OPTIONS
   ========================================================================== */
.options .h2 { font-size: clamp(24px, 2.36vw, 34px); }
.option-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  margin-top: 12px;
}
.option-card {
  min-height: 346px;
  padding: 24px 12px 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.option-icon { width: 48px; height: 48px; transition: transform 0.5s var(--ease); }
.option-card .card-label { margin-top: 26px; }
.option-card p:last-child { margin-top: 10px; font-size: 15px; line-height: 1.4; color: var(--text-soft); }
.option-card:hover {
  transform: translateY(-6px);
  background: var(--white);
  border-color: rgba(181, 208, 74, 0.7);
  box-shadow: var(--shadow-card-hover);
}
.option-card:hover .option-icon { transform: translateY(-3px) rotate(-6deg); }

.options .cta-block { margin-top: 24px; }

/* ==========================================================================
   04 · DISCOVER
   ========================================================================== */
.discover { padding-top: 60px; padding-bottom: 28px; }
.discover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 576px);
  gap: 48px;
  align-items: start;
}
.discover .h2 { font-size: clamp(26px, 2.5vw, 36px); }
.discover-copy .lead { margin-top: 4px; }

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 12px;
  margin-top: 26px;
}
.topic-list li {
  display: flex;
  gap: 16px;
  padding: 14px 0 20px;
  border-bottom: 1px solid #DDE3D2;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy);
  transition: padding var(--dur) var(--ease), color var(--dur) var(--ease);
}
.topic-list li:hover { padding-left: 6px; }
.topic-list li:last-child { border-bottom: 0; }
.topic-list .num { flex: none; font-weight: 600; min-width: 18px; transition: color var(--dur) var(--ease); }
.topic-list li:hover .num { color: var(--lime-dark); }

.qa-card {
  margin-top: 20px;
  padding: 28px;
  border-radius: 24px;
  background: var(--navy);
  color: var(--white);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.qa-card:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(1, 29, 66, 0.28); }
.qa-head { display: flex; align-items: center; gap: 12px; }
.qa-head img { width: 44px; height: 44px; }
.qa-card:hover .qa-head img { animation: wiggle 0.6s var(--ease); }
.qa-head h3 { font-weight: 600; font-size: clamp(17px, 1.3vw, 19px); }
.qa-card p { margin-top: 22px; font-size: 15px; color: rgba(255, 255, 255, 0.9); }

@keyframes wiggle {
  0%, 100% { transform: rotate(0); }
  30% { transform: rotate(-10deg); }
  60% { transform: rotate(8deg); }
}

.discover-media { display: grid; gap: 24px; justify-items: start; }

.media-frame {
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: #DCE3D0;
  transform: translateZ(0);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.media-frame:hover img { transform: scale(1.04); }
.discover .media-frame { aspect-ratio: 576 / 552; }

/* ==========================================================================
   05 · AUDIENCE
   ========================================================================== */
.audience { padding-top: 60px; padding-bottom: 60px; }
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 1152px;
  margin: 30px auto 0;
}
.audience-card {
  padding: 32px;
  background: var(--white);
  border-radius: 24px;
  box-shadow: 0 4px 6px rgba(1, 29, 66, 0.1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.audience-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.audience-icon { width: 56px; height: 56px; transition: transform 0.5s var(--ease); }
.audience-card:hover .audience-icon { transform: scale(1.08) rotate(-4deg); }
.audience-card .card-label { margin-top: 26px; font-size: 13px; }
.audience-card h3 { margin-top: 14px; font-weight: 600; font-size: clamp(17px, 1.3vw, 19px); line-height: 1.35; }
.audience-card p:last-child { margin-top: 14px; font-size: 14px; line-height: 1.55; color: var(--text-soft); }

/* ==========================================================================
   06 · UNIVERSITIES
   ========================================================================== */
.universities { padding-top: 60px; padding-bottom: 20px; }
.uni-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
}
.uni-title { font-size: clamp(26px, 2.5vw, 34px); line-height: 1.42; max-width: 600px; }
.uni-left .media-frame { margin-top: 16px; aspect-ratio: 620 / 424; }

.uni-right { display: grid; gap: 24px; }
.uni-card {
  padding: 24px 28px 28px;
  background: var(--white);
  border-radius: 24px;
  box-shadow: 0 4px 10px rgba(1, 29, 66, 0.12);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.uni-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.uni-head { display: flex; align-items: center; gap: 12px; }
.uni-head img { width: 44px; height: 44px; transition: transform 0.5s var(--ease); }
.uni-card:hover .uni-head img { transform: rotate(-10deg); }
.uni-head h3 { font-weight: 500; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.3; }
.uni-q { margin-top: 26px; font-weight: 600; font-size: 16px; }
.uni-card p:last-child { margin-top: 10px; font-size: 15px; line-height: 1.45; color: var(--text-soft); }

.uni-foot { margin-top: 8px; }
.uni-foot-title { font-weight: 600; font-size: clamp(19px, 1.7vw, 24px); line-height: 1.3; }
.uni-foot-note { margin-top: 6px; font-size: 12px; color: var(--text-muted); }
.uni-foot .btn { margin-top: 26px; }

/* ==========================================================================
   07 · WHY LIVE
   ========================================================================== */
.why-live { padding-top: 110px; padding-bottom: 100px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.why-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: 0 4px 8px rgba(1, 29, 66, 0.1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.why-card img { flex: none; width: 48px; height: 48px; transition: transform 0.5s var(--ease); }
.why-card h3 { font-weight: 600; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.35; margin-top: 2px; }
.why-card p { margin-top: 8px; font-size: 15px; color: var(--text-muted); }
.why-card:hover { transform: translateY(-4px); background: var(--white); box-shadow: var(--shadow-card-hover); }
.why-card:hover img { transform: scale(1.1) rotate(-6deg); }
.why-live .cta-block { margin-top: 24px; gap: 36px; }

/* ==========================================================================
   DARK SECTIONS (08 · GLANCE, 10 · FINAL)
   ========================================================================== */
.dark { background: var(--navy); color: var(--white); overflow: hidden; }

/* 08 · Glance */
.glance {
  padding-top: 84px;
  padding-bottom: 80px;
  background: linear-gradient(115deg, #011D42 0%, #011D42 45%, #0B2D5E 100%);
}
.dark-glow {
  position: absolute;
  right: -10%;
  top: 30%;
  width: 600px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 80, 140, 0.35), transparent 70%);
  filter: blur(40px);
  animation: glowDrift 18s ease-in-out infinite alternate;
  pointer-events: none;
}
.glance .h2 { position: relative; font-size: clamp(26px, 2.36vw, 34px); }
.stat-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}
.stat-card {
  min-height: 205px;
  padding: 28px 27px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.stat-card img { width: 28px; height: 28px; }
.stat-card h3 {
  margin-top: 30px;
  font-weight: 600;
  font-size: clamp(22px, 1.8vw, 26px);
  line-height: 1.38;
  color: var(--lime);
}
.stat-card p { margin-top: 8px; font-size: 15px; color: rgba(255, 255, 255, 0.95); }
.stat-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(181, 208, 74, 0.55);
}
.stat-card:hover img { animation: wiggle 0.6s var(--ease); }
.glance .cta-block { position: relative; margin-top: 24px; }

/* 09 · Prep */
.prep { padding-top: 60px; padding-bottom: 60px; }
.prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 570px);
  gap: 60px;
  align-items: start;
}
.prep-title { font-size: clamp(26px, 2.5vw, 34px); line-height: 1.42; max-width: 520px; }
.prep-copy .lead { margin-top: 10px; max-width: 520px; }
.prep-sub { margin-top: 40px; font-weight: 600; font-size: clamp(18px, 1.45vw, 21px); color: var(--navy); }

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 32px;
  row-gap: 14px;
  margin-top: 26px;
  max-width: 560px;
}
.check-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--navy);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23011D42' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='m8 12 3 3 5-6'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform var(--dur) var(--ease);
}
.check-list li:hover::before { transform: scale(1.15); }

.note-box {
  margin-top: 30px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--lime-wash);
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  max-width: 570px;
}
.prep-copy .btn { margin-top: 24px; }

.media-frame--square { aspect-ratio: 570 / 587; border-radius: 0; }

/* 10 · Final */
.final {
  padding-top: 80px;
  padding-bottom: 70px;
  background: var(--navy);
}
.final-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  animation: glowDrift 18s ease-in-out infinite alternate;
}
.final-glow--a {
  left: -160px;
  top: -80px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(22, 66, 128, 0.7), transparent 70%);
}
.final-glow--b {
  right: -200px;
  bottom: 40px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(58, 94, 110, 0.55), transparent 70%);
  animation-delay: -8s;
}
.final-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.final-title { margin-top: 22px; font-size: clamp(26px, 2.2vw, 32px); line-height: 1.3; }
.final-text {
  margin-top: 26px;
  max-width: 600px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.72);
}
.final-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 38px;
  margin-top: 22px;
}
.final-steps li {
  font-style: italic;
  font-weight: 600;
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--lime);
}
.final .chips { margin-top: 26px; }
.final .btn { margin-top: 38px; }
.final-note { margin-top: 18px; font-size: 15px; font-weight: 500; }

/* ==========================================================================
   SCROLL REVEAL (micro-animation)
   ========================================================================== */
.js .reveal {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease);
  transition-delay: calc(var(--d, 0) * 80ms);
  will-change: opacity, transform;
}
.js .reveal--left  { transform: translate3d(-28px, 0, 0); }
.js .reveal--right { transform: translate3d(28px, 0, 0); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* After reveal, cards get their own quick hover transitions back */
.js .reveal.is-visible.option-card,
.js .reveal.is-visible.think-item,
.js .reveal.is-visible.audience-card,
.js .reveal.is-visible.uni-card,
.js .reveal.is-visible.why-card,
.js .reveal.is-visible.stat-card,
.js .reveal.is-visible.qa-card,
.js .reveal.is-visible.btn {
  transition-delay: 0s;
  transition-duration: var(--dur);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* ---- Laptop ≤ 1280 ---- */
@media (max-width: 1280px) {
  .hero-grid { gap: 40px; }
  .option-grid { gap: 14px; }
  .option-card { min-height: 320px; }
}

/* ---- Tablet landscape ≤ 1100 ---- */
@media (max-width: 1100px) {
  .option-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .option-card { min-height: 0; padding: 22px 18px 24px; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-card { min-height: 0; }
  .check-list { grid-template-columns: 1fr 1fr; column-gap: 20px; }
}

/* ---- Tablet portrait ≤ 991 ---- */
@media (max-width: 991px) {
  .hero { padding-block: 56px 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { max-width: none; }
  .hero-text { max-width: 640px; }
  .form-card { max-width: 680px; width: 100%; }

  .hook-grid,
  .discover-grid,
  .uni-grid,
  .prep-grid { grid-template-columns: 1fr; gap: 36px; }

  .video-card { aspect-ratio: 16 / 10; }
  .play-btn { margin-bottom: 0; }
  .hook-title { max-width: none; }

  .discover-media { justify-items: stretch; }
  .discover-media .btn { justify-self: start; }
  .discover .media-frame { aspect-ratio: 4 / 3; }

  .uni-title,
  .prep-title { max-width: none; }

  .why-live { padding-top: 72px; padding-bottom: 72px; }
  .why-grid { grid-template-columns: 1fr 1fr; }

  .media-frame--square { border-radius: 24px; max-width: 620px; }
}

/* ---- Mobile ≤ 767 ---- */
@media (max-width: 767px) {
  body { font-size: 15px; }

  .header-inner { height: 56px; }
  .logo img { height: 32px; }

  .section { padding-block: 48px; }
  .hero { padding-block: 40px 48px; }

  .eyebrow { font-size: 9.5px; letter-spacing: 0.05em; padding: 7px 10px; gap: 5px; }
  .eyebrow-icon { width: 14px; height: 14px; }
  .hero-title { margin-top: 18px; font-size: 44px; line-height: 1.1; }
  .hero-subtitle { font-size: 22px; margin-top: 8px; }
  .hero-text { margin-top: 18px; font-size: 15px; }
  .chips { gap: 8px; margin-top: 24px; }
  .chip { padding: 8px 12px; font-size: 13px; gap: 6px; }

  .form-card { padding: 24px 18px; border-radius: 16px; }
  .form-title { font-size: 21px; margin-bottom: 14px; }
  .reg-form { gap: 14px; }
  .field-row { grid-template-columns: 1fr; gap: 14px; }
  .field label { font-size: 14px; }
  .field input { height: 44px; font-size: 14px; }
  .btn-otp { height: 44px; padding: 0 14px; font-size: 14px; }
  .btn-form { font-size: 17px; min-height: 48px; }

  .hook-grid { gap: 28px; }
  .video-card { aspect-ratio: 335 / 240; }
  .play-btn { width: 56px; height: 56px; }
  .play-btn svg { width: 30px; height: 30px; }
  .hook-title { font-size: 26px; }
  .hook-copy .lead { margin-top: 12px; }
  .think-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 18px; }
  .think-item { min-height: 64px; font-size: 14px; }
  .clarity-box { margin-top: 24px; padding: 16px 18px; }
  .clarity-title { font-size: 17px; }
  .clarity-text { font-size: 14px; }
  .hook-copy .small-text { margin-top: 22px; font-size: 14px; }

  .btn,
  .btn-lg { width: 100%; font-size: 16px; white-space: normal; text-align: center; }
  .hook-copy .btn,
  .discover-media .btn { justify-self: stretch; }

  .options .h2,
  .h2 { font-size: 24px; line-height: 1.3; }
  .section-sub { font-size: 14px; margin-top: 10px; }
  .option-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 24px; }
  .option-card {
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 14px;
    padding: 16px;
    border-radius: 16px;
  }
  .option-icon { grid-row: span 2; width: 44px; height: 44px; }
  .option-card .card-label { margin-top: 2px; font-size: 12px; }
  .option-card p:last-child { margin-top: 4px; font-size: 14px; }
  .cta-lead { font-size: 16px; }

  .discover { padding-top: 48px; padding-bottom: 24px; }
  .topic-list { grid-template-columns: 1fr; margin-top: 18px; }
  .topic-list li { padding: 12px 0 14px; font-size: 14px; }
  .topic-list li:nth-last-child(2) { border-bottom: 1px solid #DDE3D2; }
  .qa-card { padding: 20px; border-radius: 18px; }
  .qa-card p { margin-top: 14px; font-size: 14px; }
  .media-frame { border-radius: 18px; }

  .audience { padding-top: 40px; padding-bottom: 48px; }
  .audience-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
  .audience-card { padding: 22px 20px; border-radius: 18px; }
  .audience-icon { width: 48px; height: 48px; }
  .audience-card .card-label { margin-top: 18px; font-size: 12px; }
  .audience-card h3 { font-size: 17px; margin-top: 10px; }

  .universities { padding-top: 48px; padding-bottom: 8px; }
  .uni-grid { gap: 24px; }
  .uni-title { line-height: 1.3; }
  .uni-right { gap: 16px; }
  .uni-card { padding: 20px; border-radius: 18px; }
  .uni-head h3 { font-size: 16px; }
  .uni-q { margin-top: 16px; font-size: 15px; }
  .uni-card p:last-child { font-size: 14px; }
  .uni-foot-title { font-size: 19px; }
  .uni-foot .btn { margin-top: 20px; }

  .why-live { padding-top: 56px; padding-bottom: 56px; }
  .section-sub--lg { font-size: 15px; }
  .why-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 24px; }
  .why-card { padding: 18px; gap: 14px; border-radius: 18px; }
  .why-card img { width: 44px; height: 44px; }
  .why-card h3 { font-size: 16px; }
  .why-card p { font-size: 14px; margin-top: 4px; }
  .why-live .cta-block { gap: 20px; }

  .glance { padding-top: 56px; padding-bottom: 56px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
  .stat-card { padding: 18px 16px; border-radius: 16px; }
  .stat-card h3 { margin-top: 16px; font-size: 18px; line-height: 1.3; }
  .stat-card p { font-size: 13px; }

  .prep { padding-top: 48px; padding-bottom: 48px; }
  .prep-sub { margin-top: 26px; font-size: 18px; }
  .check-list { grid-template-columns: 1fr; row-gap: 12px; margin-top: 18px; }
  .check-list li { font-size: 14px; }
  .note-box { margin-top: 22px; font-size: 14px; padding: 16px; }

  .final { padding-top: 56px; padding-bottom: 56px; }
  .final-title { margin-top: 18px; font-size: 24px; }
  .final-text { margin-top: 16px; font-size: 15px; }
  .final-steps { flex-direction: column; gap: 6px; }
  .final .btn { margin-top: 28px; }
  .final-note { font-size: 14px; }
}

/* ---- Small mobile ≤ 374 ---- */
@media (max-width: 374px) {
  .hero-title { font-size: 38px; }
  .stat-grid { grid-template-columns: 1fr; }
  .otp-group { grid-template-columns: 1fr; }
}

/* ---------- Integration additions (OTP step + Yii field errors + alerts) ---------- */
.field[hidden] { display: none; }
.otp-code-field { margin-top: 4px; }
.field .invalid-feedback,
.field .help-block {
  display: block;
  margin-top: -2px;
  font-size: 12px;
  color: var(--danger);
}
.field input.is-invalid { border-color: var(--danger); }

.sat-alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}
.sat-alert--error { background: rgba(229, 72, 77, 0.1); color: #A61E22; border: 1px solid rgba(229, 72, 77, 0.3); }
.sat-alert--success { background: var(--lime-tint); color: var(--navy); border: 1px solid var(--lime); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}