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

:root {
  /* Áo dài palette — deep burgundy, gold, ivory, soft lotus pink */
  --clr-burgundy:    #7B1C33;
  --clr-burgundy-dk: #561427;
  --clr-gold:        #C9963A;
  --clr-gold-lt:     #E8C97A;
  --clr-ivory:       #FDF6EC;
  --clr-ivory-dk:    #F5ECD8;
  --clr-lotus:       #F2C4CE;
  --clr-lotus-dk:    #D98EA0;
  --clr-ink:         #1A0A0E;
  --clr-text:        #3D1A22;
  --clr-text-lt:     #7A5560;
  --clr-white:       #FFFFFF;

  --ff-serif:   'Playfair Display', Georgia, serif;
  --ff-jp:      'Noto Serif JP', serif;
  --ff-sans:    'Lato', system-ui, sans-serif;

  --radius:     12px;
  --shadow-sm:  0 2px 8px rgba(123,28,51,.10);
  --shadow-md:  0 6px 24px rgba(123,28,51,.15);
  --shadow-lg:  0 16px 48px rgba(123,28,51,.20);

  --transition: .3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-sans);
  color: var(--clr-text);
  background: var(--clr-ivory);
  overflow-x: hidden;
  line-height: 1.7;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ── ÁO DÀI PATTERN (CSS-only) ───────────────────────── */
/*  Delicate diagonal lines + floral dots — evokes embroidered silk fabric */
.ao-dai-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      135deg,
      transparent,
      transparent 28px,
      rgba(201,150,58,.08) 28px,
      rgba(201,150,58,.08) 29px
    ),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 28px,
      rgba(201,150,58,.05) 28px,
      rgba(201,150,58,.05) 29px
    ),
    radial-gradient(circle, rgba(201,150,58,.12) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 20px 20px;
  z-index: 0;
}

/* ── NAVBAR ────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(253,246,236,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201,150,58,.25);
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--ff-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-burgundy);
  letter-spacing: .02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}
.nav-links li a {
  font-size: .875rem;
  font-weight: 400;
  color: var(--clr-text);
  letter-spacing: .03em;
  transition: color var(--transition);
}
.nav-links li a:hover { color: var(--clr-burgundy); }

.nav-cta {
  background: var(--clr-burgundy);
  color: var(--clr-white) !important;
  padding: .45rem 1.2rem;
  border-radius: 50px;
  font-weight: 700 !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--clr-burgundy-dk) !important; }

/* ── Language switcher ──────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(123,28,51,.08);
  border: 1px solid rgba(201,150,58,.25);
  border-radius: 50px;
  padding: 3px;
  margin-left: .5rem;
}

.lang-sw-btn {
  padding: .3rem .75rem;
  border: none;
  border-radius: 50px;
  background: transparent;
  color: var(--clr-text-lt);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--ff-sans);
  white-space: nowrap;
}
.lang-sw-btn:hover { color: var(--clr-burgundy); }
.lang-sw-btn.active {
  background: var(--clr-burgundy);
  color: var(--clr-white);
}

/* ── Hamburger & mobile menu ────────────────────────────── */
.req { color: var(--clr-gold); }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--clr-burgundy);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--clr-ivory);
  border-top: 1px solid rgba(201,150,58,.2);
  padding: 1rem 2rem 1.5rem;
  gap: .75rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu li a {
  font-size: 1rem;
  color: var(--clr-text);
  font-weight: 400;
}
.mobile-menu li a:hover { color: var(--clr-burgundy); }

.mobile-lang-row {
  display: flex;
  gap: 4px;
  padding-top: .25rem;
  border-top: 1px solid rgba(201,150,58,.15);
  margin-top: .25rem;
}
.mobile-lang-row .lang-sw-btn {
  flex: 1;
  text-align: center;
  color: var(--clr-text-lt);
  background: rgba(123,28,51,.06);
  border: 1px solid rgba(201,150,58,.2);
}
.mobile-lang-row .lang-sw-btn.active {
  background: var(--clr-burgundy);
  color: var(--clr-white);
  border-color: var(--clr-burgundy);
}

/* ── HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--clr-burgundy-dk) 0%, var(--clr-burgundy) 55%, #A0354D 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

/* Large decorative lotus motif */
.hero::before {
  content: '';
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,150,58,.12) 0%, transparent 65%);
  top: -100px; right: -150px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,196,206,.10) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 4rem;
  align-items: center;
}

/* Photo */
.hero-photo-wrap { position: relative; display: flex; justify-content: center; }

.photo-frame {
  position: relative;
  width: 320px;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  overflow: hidden;
  border: 6px solid rgba(201,150,58,.55);
  box-shadow: 0 0 0 12px rgba(201,150,58,.15), var(--shadow-lg);
}
.photo-frame img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.photo-floral {
  position: absolute;
  width: 120px; height: 120px;
  bottom: -20px; right: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(201,150,58,.5) 0%, rgba(201,150,58,0) 70%);
  animation: floralPulse 4s ease-in-out infinite;
}
@keyframes floralPulse {
  0%,100% { transform: scale(1); opacity: .7; }
  50%      { transform: scale(1.15); opacity: 1; }
}

/* Hero text */
.hero-eyebrow {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--clr-gold-lt);
  margin-bottom: .75rem;
}

.hero h1 {
  font-family: var(--ff-serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-langs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.lang-tag {
  padding: .3rem .9rem;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  font-family: var(--ff-sans);
  transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
}
.lang-tag:hover { transform: translateY(-2px); opacity: .85; box-shadow: 0 4px 12px rgba(0,0,0,.2); }
.lang-tag:active { transform: translateY(0); }
.lang-tag.jp { background: rgba(255,255,255,.15); color: #FFD98A; border: 1px solid rgba(255,217,138,.3); }
.lang-tag.vn { background: rgba(201,150,58,.25); color: var(--clr-gold-lt); border: 1px solid rgba(201,150,58,.4); }
.lang-tag.en { background: rgba(242,196,206,.15); color: var(--clr-lotus); border: 1px solid rgba(242,196,206,.3); }

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 1.5rem;
}
.hero-subtitle strong { color: var(--clr-gold-lt); font-weight: 600; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
}
.badge {
  padding: .3rem .85rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(201,150,58,.35);
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--clr-gold-lt);
  letter-spacing: .04em;
}

.hero-cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: .8rem 2rem;
  border-radius: 50px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--clr-gold);
  color: var(--clr-ink);
  border-color: var(--clr-gold);
}
.btn-primary:hover {
  background: var(--clr-gold-lt);
  border-color: var(--clr-gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,150,58,.4);
}
.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,.45);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-hint span {
  display: block;
  width: 24px; height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  position: relative;
}
.scroll-hint span::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: rgba(255,255,255,.6);
  border-radius: 2px;
  animation: scrollBob 1.6s ease-in-out infinite;
}
@keyframes scrollBob {
  0%,100% { top: 6px; opacity: 1; }
  50%      { top: 16px; opacity: .4; }
}

/* ── SECTION SHARED ─────────────────────────────────────── */
.section { position: relative; padding: 6rem 0; }
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section-eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--clr-burgundy);
  margin-bottom: .6rem;
}
.section-eyebrow.light { color: var(--clr-gold-lt); }
.section-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--clr-burgundy-dk);
  margin-bottom: 1rem;
  line-height: 1.2;
}
.section-title.light { color: var(--clr-white); }
.section-lead {
  max-width: 680px;
  font-size: 1.05rem;
  color: var(--clr-text-lt);
  margin-bottom: 3rem;
  line-height: 1.8;
}
.section-lead.light { color: rgba(255,255,255,.8); }

/* gold accent underline for section titles */
.section-title::after {
  content: '';
  display: block;
  width: 56px; height: 3px;
  background: var(--clr-gold);
  border-radius: 2px;
  margin-top: .6rem;
}

/* ── TEACHING ───────────────────────────────────────────── */
.teaching-section { background: var(--clr-ivory); }

.lang-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.lang-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.lang-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.lang-card-header {
  padding: 1.5rem 1.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.jp-header { background: linear-gradient(135deg, #561427 0%, #7B1C33 100%); }
.vn-header { background: linear-gradient(135deg, #A0221A 0%, #CC2A1F 100%); }
.en-header { background: linear-gradient(135deg, #1A3A5C 0%, #2A5A8C 100%); }

.lang-card-header h3 {
  font-family: var(--ff-serif);
  font-size: 1.3rem;
  color: var(--clr-white);
}
.lang-icon { font-size: 1.6rem; }

.lang-card ul {
  padding: 1.25rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.lang-card li {
  font-size: .9rem;
  color: var(--clr-text);
  padding-left: 1.1rem;
  position: relative;
}
.lang-card li::before {
  content: '';
  position: absolute;
  left: 0; top: .55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--clr-gold);
}

/* Formats */
.formats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  background: var(--clr-ivory-dk);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid rgba(201,150,58,.2);
}

.format-item { text-align: center; }
.format-icon { font-size: 2rem; margin-bottom: .5rem; }
.format-item h4 {
  font-family: var(--ff-serif);
  font-size: 1rem;
  color: var(--clr-burgundy);
  margin-bottom: .35rem;
}
.format-item p { font-size: .85rem; color: var(--clr-text-lt); line-height: 1.5; }

/* ── PHILOSOPHY ─────────────────────────────────────────── */
.philosophy-section {
  background: linear-gradient(160deg, var(--clr-burgundy-dk) 0%, var(--clr-burgundy) 100%);
  overflow: hidden;
}
.philosophy-pattern { opacity: .5; }

.philosophy-inner { position: relative; z-index: 1; }

.philosophy-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3.5rem;
}

.philosophy-quote blockquote {
  font-family: var(--ff-serif);
  font-size: 1.45rem;
  font-style: italic;
  color: var(--clr-gold-lt);
  line-height: 1.5;
  border-left: 4px solid var(--clr-gold);
  padding-left: 1.5rem;
}

.philosophy-body p {
  color: rgba(255,255,255,.82);
  font-size: .97rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.pillar {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(201,150,58,.25);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  transition: background var(--transition);
}
.pillar:hover { background: rgba(255,255,255,.1); }
.pillar-num {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--clr-gold);
  margin-bottom: .5rem;
}
.pillar h4 {
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  color: var(--clr-white);
  margin-bottom: .4rem;
}
.pillar p { font-size: .85rem; color: rgba(255,255,255,.65); line-height: 1.55; }

/* ── ACADEMIC ────────────────────────────────────────────── */
.academic-section { background: var(--clr-ivory-dk); }

.timeline {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 3.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-gold), var(--clr-lotus-dk));
  border-radius: 1px;
}
.timeline-item {
  position: relative;
  padding-left: 1.5rem;
  padding-bottom: 2.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -2.55rem;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--clr-gold);
  border: 3px solid var(--clr-ivory-dk);
  box-shadow: 0 0 0 2px var(--clr-gold);
}
.timeline-date {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-burgundy);
  background: rgba(123,28,51,.08);
  padding: .2rem .7rem;
  border-radius: 50px;
  margin-bottom: .5rem;
}
.timeline-content h4 {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  color: var(--clr-burgundy-dk);
  margin-bottom: .25rem;
}
.timeline-inst {
  font-weight: 700;
  color: var(--clr-burgundy);
  font-size: .9rem;
  margin-bottom: .35rem;
}
.timeline-content p { font-size: .9rem; color: var(--clr-text-lt); }

.research-interests h3 {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  color: var(--clr-burgundy-dk);
  margin-bottom: 1rem;
}
.interest-tags { display: flex; flex-wrap: wrap; gap: .6rem; }
.i-tag {
  padding: .4rem 1rem;
  background: var(--clr-white);
  border: 1.5px solid rgba(123,28,51,.2);
  border-radius: 50px;
  font-size: .85rem;
  color: var(--clr-burgundy);
  font-weight: 600;
  transition: all var(--transition);
}
.i-tag:hover {
  background: var(--clr-burgundy);
  color: var(--clr-white);
  border-color: var(--clr-burgundy);
}

/* ── CREDENTIALS ─────────────────────────────────────────── */
.credentials-section {
  background: linear-gradient(135deg, #1A0A0E 0%, var(--clr-burgundy-dk) 100%);
  overflow: hidden;
}
.cred-pattern { opacity: .3; }

.cred-cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.cred-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(201,150,58,.3);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}
.cred-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
}
.cred-flag { font-size: 2.5rem; margin-bottom: .75rem; }
.cred-card h3 {
  font-family: var(--ff-serif);
  font-size: 1.3rem;
  color: var(--clr-gold-lt);
  margin-bottom: 1rem;
}
.cred-card ul { display: flex; flex-direction: column; gap: .5rem; }
.cred-card li { font-size: .9rem; color: rgba(255,255,255,.75); }
.cred-highlight {
  font-weight: 700;
  color: var(--clr-gold-lt);
  font-size: 1rem;
}

/* ── TESTIMONIALS ────────────────────────────────────────── */
.testimonials-section { background: var(--clr-ivory); }

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  border-top: 4px solid var(--clr-burgundy);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.quote-mark {
  font-family: var(--ff-serif);
  font-size: 5rem;
  line-height: .8;
  color: var(--clr-lotus);
  margin-bottom: .5rem;
  font-style: italic;
}
.testimonial-card p {
  font-size: .92rem;
  color: var(--clr-text);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  border-top: 1px solid var(--clr-ivory-dk);
  padding-top: .75rem;
}
.t-name {
  font-weight: 700;
  color: var(--clr-burgundy);
  font-size: .9rem;
}
.t-duration { font-size: .8rem; color: var(--clr-text-lt); }

/* ── CONTACT ─────────────────────────────────────────────── */
.contact-section {
  background: linear-gradient(160deg, var(--clr-burgundy-dk) 0%, #5A1525 100%);
  overflow: hidden;
}
.contact-pattern { opacity: .4; }

.form-tabs {
  position: relative;
  z-index: 1;
  display: inline-flex;
  background: rgba(255,255,255,.08);
  border-radius: 50px;
  padding: 4px;
  margin-bottom: 2.5rem;
  border: 1px solid rgba(201,150,58,.25);
}
.tab-btn {
  padding: .6rem 2rem;
  border-radius: 50px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--ff-sans);
}
.tab-btn.active {
  background: var(--clr-gold);
  color: var(--clr-ink);
}

/* Forms */
.enquiry-form {
  position: relative;
  z-index: 1;
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(201,150,58,.2);
  border-radius: var(--radius);
  padding: 2.5rem;
  backdrop-filter: blur(8px);
}
.enquiry-form.active-form { display: flex; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.form-group label span { color: var(--clr-gold); }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(201,150,58,.3);
  border-radius: 8px;
  padding: .75rem 1rem;
  font-size: .95rem;
  font-family: var(--ff-sans);
  color: var(--clr-white);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.35); }
.form-group select option { background: var(--clr-burgundy-dk); color: var(--clr-white); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-gold);
  background: rgba(255,255,255,.1);
}

.btn-submit {
  align-self: flex-start;
  margin-top: .5rem;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-ink);
  padding: 3rem 2rem;
  text-align: center;
}
.footer-inner { max-width: 600px; margin: 0 auto; }
.footer-name {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  color: var(--clr-gold-lt);
  margin-bottom: .35rem;
}
.footer-tagline {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  margin-bottom: .5rem;
}
.footer-location {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 1.25rem;
}
.footer-copy {
  font-size: .78rem;
  color: rgba(255,255,255,.3);
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 1rem;
}

/* ── ANIMATIONS ──────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
  .hero-photo-wrap { order: -1; }
  .hero-langs, .hero-cta-row { justify-content: center; }
  .hero-subtitle { margin: 0 auto 1.5rem; }
  .hero-badges { justify-content: center; }

  .lang-cards { grid-template-columns: 1fr; }
  .formats-row { grid-template-columns: repeat(2, 1fr); }

  .philosophy-grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }

  .cred-cards { grid-template-columns: 1fr; max-width: 400px; margin: 2rem auto 0; }
  .testimonial-grid { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .lang-switcher { display: none; }
  .hamburger { display: block; }

  .section { padding: 4rem 0; }
  .hero { min-height: auto; padding-bottom: 4rem; }
  .photo-frame { width: 260px; }
  .photo-frame img { height: 380px; }

  .formats-row { grid-template-columns: 1fr 1fr; }
  .pillars { grid-template-columns: 1fr 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .enquiry-form { padding: 1.5rem; }

  .lang-cards { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .cred-cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .formats-row { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .hero-cta-row { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .btn-submit { width: auto; }
}