/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --color-bg:              #1C1B2E;
  --color-accent:          #7BA3DB;
  --color-accent-light:    #D4C9F0;
  --color-text:            #FFFFFF;
  --color-text-secondary:  rgba(255, 255, 255, 0.65);
  --color-text-muted:      rgba(255, 255, 255, 0.52);
  --color-border-subtle:   rgba(255, 255, 255, 0.1);
  --color-border-accent:   rgba(123, 163, 219, 0.55);
  --color-card-bg:         rgba(123, 163, 219, 0.08);
  --color-card-bg-light:   rgba(123, 163, 219, 0.04);
  --color-card-bg-check:   rgba(123, 163, 219, 0.043);

  /* Typography */
  --font-body:    'Plus Jakarta Sans', sans-serif;

  /* Font weights */
  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;

  /* Spacing scale (4px base) */
  --sp-1:   4px;
  --sp-2:   8px;
  --sp-3:   12px;
  --sp-4:   16px;
  --sp-5:   20px;
  --sp-6:   24px;
  --sp-7:   28px;
  --sp-8:   32px;
  --sp-10:  40px;
  --sp-12:  48px;
  --sp-16:  64px;
  --sp-20:  80px;
  --sp-24:  96px;

  /* Section vertical rhythm */
  --section-py: clamp(64px, 8vw, 120px);

  /* Border radii */
  --radius-pill:    9999px;
  --radius-card:    20px;
  --radius-card-lg: 22px;
  --radius-chip:    14px;

  /* Container */
  --container-max:     1248px;
  --container-padding: clamp(24px, 6vw, 96px);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --duration:   600ms;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: calc(var(--container-max) + var(--container-padding) * 2);
  padding-inline: var(--container-padding);
  margin-inline: auto;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--duration) ease, transform var(--duration) ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   GLOW DECORATIONS
   ============================================================ */
.glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.glow-hero-main {
  width: min(1499px, 120vw);
  aspect-ratio: 1;
  top: -30%;
  left: 20%;
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%,
    rgba(99, 129, 176, 0.85) 18%,
    rgba(52, 61, 89, 0.55) 45%,
    rgba(0, 0, 0, 0) 70%
  );
  opacity: 0.26;
  filter: blur(90px);
}

.glow-hero-accent {
  width: 200px;
  height: 200px;
  top: 240px;
  right: 80px;
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #D4C9F0 0%, rgba(0, 0, 0, 0) 70%
  );
  opacity: 0.14;
  filter: blur(90px);
}

.glow-method-top {
  width: min(1663px, 130vw);
  height: 516px;
  top: -10%;
  left: -10%;
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%, rgba(52, 61, 89, 0.7) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.2;
  filter: blur(90px);
}

.glow-method-bottom {
  width: min(1663px, 130vw);
  height: 516px;
  bottom: 5%;
  right: -10%;
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%, rgba(52, 61, 89, 0.7) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.2;
  filter: blur(90px);
}

.glow-reviews {
  width: min(1708px, 130vw);
  height: 600px;
  bottom: -20%;
  right: -20%;
  transform: none;
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%, rgba(52, 61, 89, 0.7) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.18;
  filter: blur(90px);
}

.glow-for-you {
  width: min(1708px, 130vw);
  height: 543px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%, rgba(52, 61, 89, 0.7) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.2;
  filter: blur(90px);
}

.glow-booking {
  width: min(2059px, 150vw);
  height: 868px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 11%, rgba(52, 61, 89, 0.5) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.18;
  filter: blur(90px);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: 64px;
}

.nav-brand {
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: 16px;
  letter-spacing: 1.32px;
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
}

.nav-lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 16px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.5px;
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 0 18px;
  height: 38px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.lang-active { color: var(--color-text); }
.lang-sep    { color: var(--color-border-subtle); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav-links a:not(.btn) {
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  transition: color 200ms ease;
}

.nav-links a:not(.btn):hover {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: 16px;
  line-height: 21px;
  letter-spacing: 0.91px;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  padding: 0 28px;
  height: 52px;
  transition: opacity 200ms ease, transform 200ms ease;
  white-space: nowrap;
}

.btn:hover  { opacity: 0.88; transform: translateY(-1px); }
.btn:active { opacity: 1; transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  padding: 0 22px;
}

.btn-sm {
  height: 38px;
  font-size: 13px;
  padding: 0 18px;
  letter-spacing: 0.7px;
}

/* ============================================================
   SECTION LABEL
   ============================================================ */
.section-label {
  font-size: 20px;
  font-weight: var(--fw-bold);
  line-height: 19px;
  letter-spacing: 1.495px;
  text-transform: uppercase;
  color: var(--color-accent);
  padding-left: 30px;
  position: relative;
  margin-bottom: var(--sp-5);
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 1px;
  background: var(--color-accent);
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
  position: relative;
  padding-top: clamp(60px, 7vw, 96px);
  padding-bottom: clamp(60px, 7vw, 96px);
  overflow: hidden;
  min-height: clamp(380px, 48vw, 640px);
  display: flex;
  align-items: center;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-text {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.hero-heading {
  font-size: 80px;
  font-weight: var(--fw-bold);
  line-height: 1.2;
  letter-spacing: -1.2px;
  color: var(--color-text);
}

.hero-heading .accent {
  color: var(--color-accent);
  font-style: italic;
}

.nowrap { white-space: nowrap; }

.hero-sub {
  font-size: 24px;
  font-weight: var(--fw-light);
  line-height: 1.5;
  color: var(--color-text);
  white-space: nowrap;
}

.hero-ctas {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--sp-5);
  margin-top: var(--sp-2);
}

/* Image: top aligns with nav bottom, right edge aligns with viewport right */
.hero-visual {
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-drop {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
  user-select: none;
  display: block;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-block: 29px;
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-16);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.stat-value {
  font-size: 26px;
  font-weight: var(--fw-semibold);
  line-height: 1;
  color: var(--color-accent);
}

.stat-label {
  font-size: 11.5px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.575px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 34px;
  background: var(--color-border-subtle);
}

/* ============================================================
   METHOD
   ============================================================ */
.section-method {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-method .container {
  position: relative;
  z-index: 1;
}

/* Definition card */
.definition-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: clamp(28px, 4vw, 52px);
  margin-top: 0;
  margin-bottom: var(--section-py);
}

.def-word {
  font-family: var(--font-body);
  font-size: clamp(44px, 6.5vw, 80px);
  font-weight: var(--fw-bold);
  letter-spacing: -0.28px;
  line-height: 1;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}

.def-pronunciation {
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: var(--fw-light);
  font-style: italic;
  line-height: 1.1;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.def-pos {
  font-size: clamp(14px, 1.6vw, 20px);
  font-weight: var(--fw-light);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--sp-6);
}

.def-lines {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.def-line {
  font-size: clamp(14px, 1.5vw, 20px);
  font-style: normal;
  line-height: 1.5;
  color: var(--color-text);
}

/* First definition line ("in plants") uses muted color */
.def-lines p:first-child {
  color: var(--color-text-secondary);
}

.def-line em {
  font-style: italic;
  color: var(--color-text-secondary);
}

.def-line strong {
  font-weight: var(--fw-semibold);
  font-style: normal;
  color: var(--color-text);
}

/* Method body */
.method-subheading {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  letter-spacing: -0.28px;
  color: var(--color-text);
  margin-bottom: var(--sp-6);
  max-width: 820px;
}

.method-description {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  margin-bottom: clamp(48px, 6vw, 80px);
}

.method-description p {
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: var(--fw-light);
  line-height: 1.75;
  color: var(--color-text);
}

.method-description strong {
  font-weight: var(--fw-semibold);
}

/* Method cards */
.method-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}

.method-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: 27px 23px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.card-icon {
  font-size: 22px;
  line-height: 1.6;
  display: block;
  margin-bottom: var(--sp-3);
}

.card-title {
  font-size: 20px;
  font-weight: var(--fw-bold);
  line-height: 1.1;
  color: var(--color-text);
}

.card-body {
  font-size: 16px;
  font-weight: var(--fw-regular);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin-top: var(--sp-2);
}

/* ============================================================
   FOR LEARNERS
   ============================================================ */
.section-for-you {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-for-you .container {
  position: relative;
  z-index: 1;
}

.for-you-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
  margin-top: var(--sp-8);
}

.for-you-heading {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: var(--fw-semibold);
  line-height: 1.1;
  letter-spacing: -0.54px;
  color: var(--color-text);
  margin-bottom: clamp(32px, 4vw, 56px);
}

.for-you-lists {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 32px);
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.check-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card-bg-check);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-chip);
  padding: 0 20px;
  height: 58px;
  font-size: 18px;
  font-weight: var(--fw-regular);
  line-height: 1.2;
  color: var(--color-text);
}

.check-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}

.check-circle span {
  font-size: 10px;
  color: var(--color-accent);
  line-height: 1;
}

/* ============================================================
   RESULTS
   ============================================================ */
.section-results {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-results .container {
  position: relative;
  z-index: 1;
}

.results-heading {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  letter-spacing: -0.28px;
  color: var(--color-text);
  max-width: 820px;
  margin-bottom: var(--sp-6);
}

.results-description {
  font-size: 20px;
  font-weight: var(--fw-light);
  line-height: 28px;
  color: var(--color-text);
  max-width: 1000px;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.results-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 46px;
}

.results-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: 29px 25px 29px 25px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  padding: 4px 15px;
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.39px;
  color: var(--color-accent);
  margin-bottom: var(--sp-5);
  align-self: flex-start;
}

.results-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.results-list li {
  font-size: 20px;
  font-weight: var(--fw-regular);
  line-height: 22px;
  color: var(--color-text-secondary);
}

/* ============================================================
   TEACHER BIO
   ============================================================ */
.section-teacher {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-teacher .container {
  position: relative;
  z-index: 1;
}

.glow-teacher {
  width: min(1600px, 120vw);
  height: 600px;
  top: 50%;
  left: -15%;
  transform: translateY(-50%);
  background: radial-gradient(70.71% 70.71% at 50% 50%,
    #7BA3DB 0%, rgba(52, 61, 89, 0.7) 40%, rgba(0,0,0,0) 70%
  );
  opacity: 0.18;
  filter: blur(90px);
}

.teacher-inner {
  display: flex;
  gap: clamp(48px, 6vw, 80px);
  align-items: start;
}

.teacher-text {
  flex: 1;
  min-width: 0;
}

.teacher-heading {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--color-text);
  margin-top: var(--sp-3);
  margin-bottom: clamp(24px, 3vw, 40px);
}

.teacher-facts {
  list-style: none;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--sp-6);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.teacher-fact {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  font-weight: var(--fw-regular);
  color: var(--color-text);
}

.teacher-tagline {
  font-size: clamp(16px, 1.4vw, 18px);
  font-weight: var(--fw-bold);
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--sp-6);
}

.teacher-bio {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  margin-bottom: clamp(28px, 3vw, 44px);
}

.teacher-bio p {
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: var(--fw-light);
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.teacher-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.teacher-pill {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 7px 18px;
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.teacher-photo {
  width: 500px;
  min-width: 500px;
  /* bleed right edge: remove container padding + cut off 1/5 of circle (100px) */
  margin-right: calc(-1 * var(--container-padding) - 100px);
  position: sticky;
  top: 100px;
}

.teacher-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center -150px;
  border-radius: 50%;
  display: block;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.section-how {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-how .container {
  position: relative;
  z-index: 1;
}

.how-heading {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--color-text);
  margin-bottom: clamp(32px, 4vw, 56px);
}

.how-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-bottom: clamp(40px, 5vw, 64px);
}

.how-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: 27px 23px 32px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.how-num {
  font-size: 32px;
  font-weight: var(--fw-regular);
  line-height: 1;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  letter-spacing: -0.5px;
}

.how-card-title {
  font-size: 18px;
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: var(--color-text);
}

.how-card-body {
  font-size: 15px;
  font-weight: var(--fw-light);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.how-cta {
  display: flex;
  justify-content: center;
}

/* ============================================================
   REVIEWS
   ============================================================ */
.section-reviews {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.reviews-header {
  margin-bottom: clamp(32px, 4vw, 56px);
}

.reviews-heading {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: -0.54px;
  color: var(--color-text);
  margin-top: var(--sp-3);
}

/* Carousel */
.carousel-outer {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding-inline: var(--container-padding);
  max-width: calc(var(--container-max) + var(--container-padding) * 2);
  margin-inline: auto;
}

.carousel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border: 1.5px solid rgba(123, 163, 219, 0.28);
  border-radius: 50%;
  color: var(--color-accent);
  transition: border-color 200ms ease, background 200ms ease;
  flex-shrink: 0;
}

.carousel-btn:hover {
  border-color: var(--color-accent);
  background: rgba(123, 163, 219, 0.08);
}

.carousel-track-wrapper {
  flex: 1;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 22px;
  will-change: transform;
  transition: transform 500ms var(--ease-out);
}

.review-card {
  background: var(--color-card-bg-light);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card-lg);
  padding: 29px;
  width: 338px;
  min-width: 338px;
  display: flex;
  flex-direction: column;
}

.review-stars {
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
}

.review-text {
  font-size: 16px;
  font-weight: var(--fw-regular);
  line-height: 1.625;
  color: var(--color-text);
  flex: 1;
  margin-bottom: var(--sp-6);
}

.review-footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--color-border-subtle);
  margin-top: auto;
}

.review-name {
  font-size: 16px;
  font-weight: var(--fw-regular);
  line-height: 1.3;
  color: var(--color-text-secondary);
}

.review-lang {
  font-size: 14px;
  font-weight: var(--fw-regular);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* ============================================================
   FAQ
   ============================================================ */
.section-faq {
  padding-block: var(--section-py);
}

.faq-heading {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.54px;
  color: var(--color-text);
  margin-bottom: clamp(32px, 4vw, 56px);
  margin-top: var(--sp-3);
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-subtle);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  padding-block: var(--sp-6);
  text-align: left;
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  transition: color 200ms ease;
}

.faq-q:hover { color: var(--color-accent); }

.faq-icon {
  font-size: 22px;
  font-weight: var(--fw-light);
  color: var(--color-accent);
  transition: transform 350ms var(--ease-out);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  overflow: hidden;
  max-height: 0;
  transition: max-height 400ms var(--ease-out), padding 400ms var(--ease-out);
}

.faq-item.is-open .faq-a {
  max-height: 400px;
}

.faq-a p {
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: var(--fw-light);
  line-height: 1.75;
  color: var(--color-text-secondary);
  padding-bottom: var(--sp-6);
}

/* ============================================================
   BOOKING CTA
   ============================================================ */
.section-booking {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
}

.section-booking .container {
  position: relative;
  z-index: 1;
}

.booking-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: clamp(40px, 5vw, 72px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-6);
}

.booking-heading {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: var(--fw-bold);
  letter-spacing: -0.5px;
  color: var(--color-text);
}

.booking-sub {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: var(--fw-light);
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 480px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding-block: 26px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-brand {
  font-size: 16px;
  font-weight: var(--fw-bold);
  letter-spacing: 1.32px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-copy {
  font-size: 16px;
  font-weight: var(--fw-regular);
  color: var(--color-text-muted);
}

/* ============================================================
   ATTRIBUTION
   ============================================================ */
.attribution {
  text-align: center;
  padding: 10px var(--container-padding) 16px;
}

.attribution a {
  font-size: 11px;
  color: var(--color-text-muted);
  opacity: 0.5;
  transition: opacity 200ms ease;
}

.attribution a:hover {
  opacity: 0.8;
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .method-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-heading { letter-spacing: -0.8px; }

  .teacher-photo {
    width: 380px;
    min-width: 380px;
    margin-right: calc(-1 * var(--container-padding) - 76px);
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (< 768px)
   ============================================================ */
@media (max-width: 767px) {

  /* Nav */
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: #1C1B2E;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: #1C1B2E;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-8);
    transform: translateX(100%);
    transition: transform 300ms ease;
  }

  .nav-links.is-open {
    transform: translateX(0);
  }

  .nav-links a:not(.btn) {
    font-size: 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Hero */
  .section-hero {
    min-height: auto;
    padding-top: clamp(200px, 50vw, 320px); /* push text below the image */
    padding-bottom: var(--sp-12);
    align-items: flex-end;
  }

  .hero-text {
    max-width: 100%;
    align-items: center;
    text-align: center;
  }

  .hero-sub {
    white-space: normal;
    text-align: center;
  }

  .hero-ctas {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* On mobile the image stays absolute but takes full width as a banner at the top */
  .hero-visual {
    width: 100%;
    height: clamp(180px, 45vw, 300px);
  }

  .hero-drop {
    object-position: center center;
  }

  /* Stats */
  .stats-inner {
    gap: var(--sp-8);
  }

  .stat-divider {
    height: 24px;
  }

  /* Method cards */
  .method-cards {
    grid-template-columns: 1fr;
  }

  /* Teacher */
  .teacher-inner {
    flex-direction: column;
  }

  .teacher-photo {
    order: -1;
    width: 240px;
    min-width: 240px;
    margin-right: 0;
    position: static;
  }

  /* How it works */
  .how-cards {
    grid-template-columns: 1fr;
  }

  /* Results cards */
  .results-cards {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  /* For learners */
  .for-you-lists {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  .check-item {
    font-size: 15px;
    height: auto;
    padding-block: 14px;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-2);
  }

  /* Carousel buttons */
  .carousel-outer {
    gap: var(--sp-3);
  }

  .review-card {
    width: clamp(260px, 80vw, 338px);
    min-width: clamp(260px, 80vw, 338px);
  }
}

@media (max-width: 480px) {
  .stats-inner {
    flex-wrap: wrap;
    gap: var(--sp-6);
    justify-content: center;
  }

  .stat-divider {
    display: none;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 320px;
  }
}