/* ============================================================
   LESTER · MATH TUTOR — Stylesheet
   Palette: Navy Trust + Warm Amber + Cream Warmth
   Fonts:   Playfair Display (headings) · DM Sans (body)
   ============================================================ */

/* ===== 1. VARIABLES ===== */
:root {
  --navy:       #1A3A6C;
  --navy-dark:  #0F2347;
  --navy-mid:   #234E8C;
  --navy-light: #2E6AB4;

  --amber:      #F59E0B;
  --amber-dark: #D97706;
  --amber-light:#FDE68A;
  --amber-pale: #FEF3C7;

  --teal:       #0891B2;
  --teal-light: #38BDF8;

  --cream:      #FFFBF4;
  --warm-white: #FEF9F0;
  --gray-50:    #F8FAFC;
  --gray-100:   #F1F5F9;
  --gray-200:   #E2E8F0;
  --gray-400:   #94A3B8;
  --gray-600:   #475569;
  --gray-800:   #1E293B;
  --white:      #FFFFFF;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --section-pad: 5.5rem 0;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);

  --r-sm:   .5rem;
  --r-md:   1rem;
  --r-lg:   1.5rem;
  --r-xl:   2rem;
  --r-full: 999px;

  --ease: cubic-bezier(.4,0,.2,1);
  --tr:   .25s var(--ease);
}

/* ===== 2. RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== 3. TYPOGRAPHY ===== */
h1,h2,h3,h4 {
  font-family: var(--font-serif);
  line-height: 1.25;
  color: var(--navy-dark);
}

/* ===== 4. LAYOUT ===== */
.container { width: min(1120px, 92vw); margin-inline: auto; }

.section-light  { background: var(--cream); }
.section-white  { background: var(--white); }
.section-warm   { background: var(--warm-white); }
.section-dark   { background: var(--navy-dark); }

section { padding: var(--section-pad); }

/* ===== 5. SECTION HEADER ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-header.light h2,
.section-header.light p { color: var(--white); }
.section-header.light .section-tag {
  background: rgba(255,255,255,.1);
  color: var(--amber-light);
  border-color: rgba(255,255,255,.18);
}
.section-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--amber-pale);
  color: var(--amber-dark);
  border: 1px solid var(--amber-light);
  padding: .35rem 1rem;
  border-radius: var(--r-full);
  margin-bottom: .9rem;
}
.section-tag.light {
  background: rgba(255,255,255,.1);
  color: var(--amber-light);
  border-color: rgba(255,255,255,.18);
}
.section-header h2 { font-size: clamp(1.75rem, 3.5vw, 2.4rem); margin-bottom: .6rem; }
.section-header p  { color: var(--gray-600); font-size: 1rem; }

/* ===== 6. BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .85rem 2rem;
  background: var(--amber); color: var(--navy-dark);
  font-family: var(--font-sans); font-weight: 700; font-size: .95rem;
  border-radius: var(--r-full);
  box-shadow: 0 4px 20px rgba(245,158,11,.4);
  transition: var(--tr);
}
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,.5); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .85rem 2rem;
  background: transparent; color: var(--white);
  font-family: var(--font-sans); font-weight: 600; font-size: .95rem;
  border: 2px solid rgba(255,255,255,.35);
  border-radius: var(--r-full);
  transition: var(--tr);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); transform: translateY(-2px); }

/* ===== 7. NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.1rem 0;
  transition: background var(--tr), box-shadow var(--tr), padding var(--tr);
}
.navbar.scrolled {
  background: rgba(15,35,71,.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0,0,0,.25);
  padding: .65rem 0;
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  width: min(1120px, 92vw); margin-inline: auto;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: 700;
  color: var(--white); letter-spacing: .02em;
}
.logo-accent { color: var(--amber); }
.logo-dot    { color: var(--amber); margin: 0 .15rem; }

.nav-links { display: flex; align-items: center; gap: .2rem; }
.nav-links a {
  color: rgba(255,255,255,.8); font-size: .88rem; font-weight: 500;
  padding: .4rem .7rem; border-radius: var(--r-sm); transition: var(--tr);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.08); }

.nav-resume {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--amber-light) !important;
  border: 1px solid rgba(245,158,11,.3) !important;
  border-radius: var(--r-full) !important;
}
.nav-resume:hover { background: rgba(245,158,11,.1) !important; border-color: var(--amber) !important; }

.nav-cta {
  background: var(--amber) !important; color: var(--navy-dark) !important;
  font-weight: 700 !important; padding: .5rem 1.2rem !important;
  border-radius: var(--r-full) !important; margin-left: .4rem;
}
.nav-cta:hover { background: var(--amber-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(245,158,11,.4); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: .25rem; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--tr); }

/* Mobile menu */
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1001; opacity: 0; transition: opacity var(--tr); }
.mobile-overlay.show { display: block; opacity: 1; }
.mobile-menu {
  position: fixed; top: 0; right: 0; width: min(320px, 85vw); height: 100%;
  background: var(--navy-dark); z-index: 1002; padding: 5rem 2rem 3rem;
  transform: translateX(100%); transition: transform .35s var(--ease);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-close { position: absolute; top: 1.25rem; right: 1.25rem; background: none; border: none; color: var(--white); font-size: 1.4rem; cursor: pointer; opacity: .7; transition: var(--tr); }
.mobile-close:hover { opacity: 1; }
.mobile-menu ul { display: flex; flex-direction: column; gap: .5rem; }
.mobile-menu a { display: block; color: rgba(255,255,255,.85); font-size: 1.05rem; font-weight: 500; padding: .75rem 1rem; border-radius: var(--r-sm); transition: var(--tr); }
.mobile-menu a:hover { background: rgba(255,255,255,.08); color: var(--white); }
.mobile-cta { background: var(--amber) !important; color: var(--navy-dark) !important; font-weight: 700 !important; text-align: center; margin-top: 1rem; border-radius: var(--r-full) !important; }

/* ===== 8. HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, #1a5276 100%);
  display: flex; flex-direction: column; overflow: hidden; padding: 6rem 0 4rem;
}
.math-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.ms { position: absolute; font-family: var(--font-serif); color: rgba(255,255,255,.05); user-select: none; animation: floatSym 10s ease-in-out infinite; }
.ms-1  { font-size: 6rem;   top: 8%;  left: 5%;  animation-delay: 0s;   animation-duration: 9s;  }
.ms-2  { font-size: 4rem;   top: 20%; left: 80%; animation-delay: 1.5s; animation-duration: 11s; }
.ms-3  { font-size: 8rem;   top: 60%; left: 8%;  animation-delay: 3s;   animation-duration: 8s;  }
.ms-4  { font-size: 3.5rem; top: 40%; left: 70%; animation-delay: .5s;  animation-duration: 12s; }
.ms-5  { font-size: 5rem;   top: 75%; left: 55%; animation-delay: 2s;   animation-duration: 10s; }
.ms-6  { font-size: 5rem;   top: 10%; left: 45%; animation-delay: 4s;   animation-duration: 9s;  }
.ms-7  { font-size: 3rem;   top: 85%; left: 20%; animation-delay: 1s;   animation-duration: 13s; }
.ms-8  { font-size: 4.5rem; top: 50%; left: 90%; animation-delay: 2.5s; animation-duration: 8s;  }
.ms-9  { font-size: 3rem;   top: 30%; left: 25%; animation-delay: 3.5s; animation-duration: 11s; }
.ms-10 { font-size: 4rem;   top: 65%; left: 78%; animation-delay: .8s;  animation-duration: 10s; }
@keyframes floatSym {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: .05; }
  50%       { transform: translateY(-18px) rotate(8deg); opacity: .08; }
}

.hero-container {
  width: min(1120px, 92vw); margin: auto;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  position: relative; z-index: 1; flex: 1;
}
.hero-text { color: var(--white); }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--amber-light);
  background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.3);
  padding: .4rem 1rem; border-radius: var(--r-full); margin-bottom: 1.4rem;
}
.hero-title {
  font-family: var(--font-serif); font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700; line-height: 1.18; color: var(--white); margin-bottom: 1.1rem;
}
.hero-title em { font-style: italic; color: var(--amber); }
.hero-sub { font-size: 1rem; color: rgba(255,255,255,.75); max-width: 460px; line-height: 1.8; margin-bottom: 2rem; }

.hero-stats-row { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.hs-item { display: flex; flex-direction: column; }
.hs-num  { font-family: var(--font-serif); font-size: 1.9rem; font-weight: 700; color: var(--amber); line-height: 1; }
.hs-plus { font-family: var(--font-serif); font-size: 1.4rem; color: var(--amber); vertical-align: top; }
.hs-label { font-size: .75rem; font-weight: 500; color: rgba(255,255,255,.5); letter-spacing: .05em; text-transform: uppercase; margin-top: .2rem; }
.hs-sep  { width: 1px; height: 36px; background: rgba(255,255,255,.15); }

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

/* Hero social icons */
.hero-social { display: flex; gap: .75rem; }
.hero-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7); font-size: 1rem; transition: var(--tr);
}
.hero-social a:hover { background: rgba(245,158,11,.2); border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }

/* Photo */
.hero-photo-wrap { display: flex; justify-content: center; align-items: center; position: relative; z-index: 1; }
.photo-stage { position: relative; width: 420px; height: 420px; display: flex; align-items: center; justify-content: center; }
.photo-ring { position: absolute; border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.ring-outer { width: 400px; height: 400px; border: 1.5px dashed rgba(245,158,11,.25); animation: spinRing 30s linear infinite; }
.ring-inner { width: 360px; height: 360px; border: 1px dashed rgba(255,255,255,.12); animation: spinRing 20s linear infinite reverse; }
@keyframes spinRing { from { transform: translate(-50%,-50%) rotate(0deg); } to { transform: translate(-50%,-50%) rotate(360deg); } }
.photo-glow { position: absolute; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(245,158,11,.25) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%,-50%); }
.photo-circle { position: relative; z-index: 2; width: 300px; height: 300px; border-radius: 50%; overflow: hidden; border: 4px solid rgba(245,158,11,.5); box-shadow: 0 0 0 8px rgba(245,158,11,.1), 0 20px 60px rgba(0,0,0,.4); }
.photo-circle img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: brightness(1.02) contrast(1.02) saturate(1.04); }

.info-badge {
  position: absolute; z-index: 3;
  display: flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,.97); color: var(--navy-dark);
  font-size: .75rem; font-weight: 600;
  padding: .55rem .9rem; border-radius: var(--r-lg);
  box-shadow: 0 8px 24px rgba(0,0,0,.2); white-space: nowrap;
  animation: floatBadge 4s ease-in-out infinite;
}
.info-badge i { color: var(--amber); font-size: .95rem; }
.badge-tl { top: 18%; left: -10%; animation-delay: 0s; }
.badge-br { bottom: 18%; right: -8%; animation-delay: 2s; }
@keyframes floatBadge { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

.scroll-hint { display: flex; flex-direction: column; align-items: center; gap: .5rem; color: rgba(255,255,255,.4); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; position: relative; z-index: 1; margin-top: 2rem; transition: var(--tr); }
.scroll-hint:hover { color: rgba(255,255,255,.7); }
.scroll-arrow { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; animation: bounce 2s ease-in-out infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ===== 9. WHY LESTER (About + Philosophy merged) ===== */
.why-lester { padding: var(--section-pad); }

/* Portrait row */
/* Persona icon cards */
.persona-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.75rem; margin-bottom: 3.5rem; }

.persona-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 2.25rem 2rem 2.5rem;
  border: 1.5px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  transition: var(--tr);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .9rem;
}
.persona-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: var(--amber-light); }

.persona-icon-wrap {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--amber-pale);
  color: var(--amber-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.85rem;
  border: 2px solid var(--amber-light);
  flex-shrink: 0;
}

.persona-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--navy-dark);
}

.persona-card p {
  font-size: .88rem;
  color: var(--gray-600);
  line-height: 1.75;
}

/* Bio + timeline below portraits */
.why-bottom { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3.5rem; align-items: start; }

.lead-text { font-family: var(--font-serif); font-size: 1.15rem; line-height: 1.75; color: var(--navy); margin-bottom: 1.1rem; }
.why-bio p { color: var(--gray-600); margin-bottom: 1rem; font-size: .97rem; }

/* Approach list */
.approach-list { display: flex; flex-direction: column; gap: .9rem; margin-top: 1.75rem; }
.approach-list li { display: flex; align-items: flex-start; gap: 1rem; }
.al-icon {
  width: 36px; height: 36px; min-width: 36px;
  background: var(--amber-pale); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber-dark); font-size: .9rem; margin-top: .1rem;
}
.approach-list strong { color: var(--navy-dark); font-weight: 600; }
.approach-list div { color: var(--gray-600); font-size: .92rem; }

/* Experience timeline */
.why-timeline {
  background: var(--gray-50); border-radius: var(--r-xl);
  padding: 2rem; border: 1.5px solid var(--gray-200);
}
.tl-heading { font-family: var(--font-serif); font-size: 1.1rem; color: var(--navy-dark); margin-bottom: 1.5rem; padding-bottom: .7rem; border-bottom: 2px solid var(--gray-200); }
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ''; position: absolute; left: .75rem; top: 0; bottom: 0; width: 2px; background: var(--gray-200); }
.tl-item { position: relative; padding-left: 1.5rem; padding-bottom: 1.5rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot { position: absolute; left: -1.75rem; top: .1rem; width: 34px; height: 34px; border-radius: 50%; background: var(--gray-200); color: var(--gray-600); display: flex; align-items: center; justify-content: center; font-size: .75rem; border: 3px solid var(--white); box-shadow: var(--shadow-sm); }
.tl-current .tl-dot { background: var(--amber); color: var(--white); }
.tl-period { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: .2rem; }
.tl-body strong { display: block; color: var(--navy-dark); font-weight: 600; font-size: .9rem; margin-bottom: .15rem; }
.tl-body p { color: var(--gray-600); font-size: .82rem; margin: 0; }

/* ===== 10. SUBJECTS ===== */
.subjects { padding: var(--section-pad); }

.session-formats { display: flex; justify-content: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.sf-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1.1rem;
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--r-full); font-size: .85rem; font-weight: 500; color: var(--navy);
  transition: var(--tr);
}
.sf-tag:hover { background: var(--amber-pale); border-color: var(--amber-light); }
.sf-tag i { color: var(--amber-dark); }

.subjects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.subj-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--r-xl); padding: 2rem; position: relative;
  transition: var(--tr); overflow: hidden; display: flex; flex-direction: column;
}
.subj-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gray-200); transition: var(--tr); }
.subj-card:hover { border-color: var(--navy-light); box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.subj-card:hover::before { background: var(--amber); }
.subj-featured { border-color: var(--navy); box-shadow: var(--shadow-md); }
.subj-featured::before { background: var(--amber); }
.subj-badge { position: absolute; top: 1.25rem; right: 1.25rem; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; background: var(--amber-pale); color: var(--amber-dark); border: 1px solid var(--amber-light); padding: .3rem .75rem; border-radius: var(--r-full); }
.subj-level { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--navy-light); margin-bottom: .7rem; }
.subj-icon { font-size: 1.9rem; color: var(--amber); margin-bottom: .9rem; }
.subj-card h3 { font-size: 1.1rem; color: var(--navy-dark); margin-bottom: 1.1rem; }
.subj-list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.25rem; flex: 1; }
.subj-list li { display: flex; align-items: center; gap: .55rem; font-size: .86rem; color: var(--gray-600); }
.subj-list li i { color: var(--teal); font-size: .68rem; }
.subj-result { display: flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 500; color: var(--navy); background: var(--gray-50); border-radius: var(--r-sm); padding: .6rem .9rem; margin-top: auto; }
.subj-result i { color: var(--amber); }

/* ===== 11. RESULTS + TESTIMONIALS (merged dark section) ===== */
.results-testi { padding: var(--section-pad); }

/* Grade improvement hero cards */
.results-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 1.25rem; margin-bottom: 4rem; }

.res-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-xl); padding: 1.75rem; text-align: center; transition: var(--tr);
}
.res-card:hover { background: rgba(255,255,255,.1); border-color: rgba(245,158,11,.3); transform: translateY(-4px); }

/* Grade arrow cards */
.res-hero {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.25);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .75rem;
}
.res-grade-row { display: flex; align-items: center; gap: .75rem; }
.res-grade {
  font-family: var(--font-serif); font-size: 2.5rem; font-weight: 700;
  line-height: 1; width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
}
.res-grade.from { background: rgba(239,68,68,.15); color: #FCA5A5; border: 1px solid rgba(239,68,68,.25); }
.res-grade.to   { background: rgba(34,197,94,.15);  color: #86EFAC; border: 1px solid rgba(34,197,94,.25); }
.res-arrow { color: var(--amber); font-size: 1.1rem; }
.res-hero p { color: rgba(255,255,255,.7); font-size: .85rem; line-height: 1.5; }
.res-hero strong { color: var(--amber-light); }

.res-big-num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--amber); line-height: 1; }
.res-unit    { font-size: .82rem; color: rgba(255,255,255,.45); margin-bottom: .6rem; }
.res-card p  { color: rgba(255,255,255,.65); font-size: .86rem; line-height: 1.6; }
.res-card strong { color: rgba(255,255,255,.85); }
.res-icon { font-size: 1.75rem; color: var(--amber); margin-bottom: .75rem; }
.res-card h3 { font-size: .98rem; color: var(--white); margin-bottom: .5rem; }

/* Divider into testimonials */
.rt-divider { text-align: center; margin-bottom: 2.5rem; }
.rt-divider h2 { color: var(--white); font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: .5rem; }

.testi-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; }
.testi-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-xl); padding: 1.75rem; transition: var(--tr);
}
.testi-card:hover { background: rgba(255,255,255,.09); border-color: rgba(245,158,11,.25); transform: translateY(-4px); }
.testi-featured { background: rgba(245,158,11,.07); border-color: rgba(245,158,11,.2); }
.testi-stars { display: flex; gap: .2rem; margin-bottom: .6rem; }
.testi-stars i { color: var(--amber); font-size: .75rem; }
.testi-quote { font-family: var(--font-serif); font-size: 3rem; color: var(--amber); opacity: .5; line-height: 1; margin-bottom: -.4rem; }
.testi-card p { color: rgba(255,255,255,.68); font-size: .9rem; line-height: 1.75; margin-bottom: 1.25rem; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: .8rem; }
.testi-avatar { width: 38px; height: 38px; min-width: 38px; border-radius: 50%; background: rgba(245,158,11,.2); border: 2px solid rgba(245,158,11,.35); color: var(--amber-light); font-weight: 700; font-size: .85rem; display: flex; align-items: center; justify-content: center; }
.testi-info strong { display: block; color: var(--white); font-size: .85rem; font-weight: 600; }
.testi-info span  { font-size: .75rem; color: rgba(255,255,255,.4); }

/* ===== 12. QUALIFICATIONS ===== */
.qualifications { padding: var(--section-pad); }
.qual-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
.qual-block-title { font-family: var(--font-serif); font-size: 1.05rem; color: var(--navy-dark); margin-bottom: 1.4rem; display: flex; align-items: center; gap: .6rem; }
.qual-block-title i { color: var(--amber); }
.qual-list { display: flex; flex-direction: column; gap: .9rem; }
.qual-item { display: flex; align-items: center; gap: 1.1rem; padding: 1rem 1.1rem; background: var(--gray-50); border-radius: var(--r-lg); border: 1.5px solid var(--gray-200); transition: var(--tr); }
.qual-item:hover { border-color: var(--amber-light); background: var(--amber-pale); }
.qual-logo { width: 46px; height: 46px; min-width: 46px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .7rem; letter-spacing: .03em; }
.qual-logo.gt  { background: #013875; color: #C6962D; }
.qual-logo.nus { background: #003D8F; color: #F6A623; }
.qual-logo.ri  { background: #9B2335; color: var(--white); }
.qual-detail strong { display: block; color: var(--navy-dark); font-weight: 600; font-size: .88rem; }
.qual-detail span   { color: var(--gray-600); font-size: .78rem; }

.cert-list { display: flex; flex-direction: column; gap: .9rem; }
.cert-item { display: flex; align-items: center; gap: .9rem; padding: 1rem 1.1rem; background: var(--gray-50); border-radius: var(--r-lg); border: 1.5px solid var(--gray-200); transition: var(--tr); }
.cert-item:hover { border-color: var(--amber-light); background: var(--amber-pale); }
.cert-icon-wrap { width: 42px; height: 42px; min-width: 42px; border-radius: var(--r-sm); background: var(--amber-pale); color: var(--amber-dark); display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.cert-detail strong { display: block; color: var(--navy-dark); font-weight: 600; font-size: .86rem; }
.cert-detail span   { color: var(--gray-600); font-size: .78rem; }

.lang-block { margin-top: .5rem; }
.lang-tags { display: flex; gap: .65rem; flex-wrap: wrap; margin-top: .65rem; }
.lang-tag { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem 1rem; background: var(--gray-50); border: 1.5px solid var(--gray-200); border-radius: var(--r-full); font-size: .85rem; font-weight: 500; color: var(--navy); transition: var(--tr); }
.lang-tag:hover { background: var(--amber-pale); border-color: var(--amber-light); }

/* Resume download button */
.btn-resume-dl {
  display: inline-flex; align-items: center; gap: .6rem;
  margin-top: 1.75rem;
  padding: .8rem 1.5rem;
  background: var(--navy-dark); color: var(--white);
  font-family: var(--font-sans); font-weight: 600; font-size: .9rem;
  border-radius: var(--r-full); border: 1.5px solid var(--navy-light);
  transition: var(--tr);
}
.btn-resume-dl:hover { background: var(--navy); border-color: var(--amber); color: var(--amber-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.2); }
.btn-resume-dl i { color: var(--amber); }

/* ===== 13. CONTACT ===== */
.contact { padding: var(--section-pad); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
.contact-left { display: flex; flex-direction: column; gap: .9rem; }

.contact-card {
  display: flex; align-items: center; gap: 1.1rem;
  padding: 1.25rem; border-radius: var(--r-xl);
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.05);
  cursor: pointer; transition: var(--tr);
}
.contact-card:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); }

.whatsapp-card  { border-color: rgba(37,211,102,.25); }
.whatsapp-card:hover  { border-color: rgba(37,211,102,.5); box-shadow: 0 8px 24px rgba(37,211,102,.12); }
.whatsapp-card .cc-icon  { background: rgba(37,211,102,.12); color: #25D366; }

.email-card { border-color: rgba(56,189,248,.25); }
.email-card:hover { border-color: rgba(56,189,248,.5); box-shadow: 0 8px 24px rgba(56,189,248,.1); }
.email-card .cc-icon { background: rgba(56,189,248,.12); color: var(--teal-light); }

.instagram-card { border-color: rgba(225,48,108,.25); }
.instagram-card:hover { border-color: rgba(225,48,108,.5); box-shadow: 0 8px 24px rgba(225,48,108,.12); }
.instagram-card .cc-icon { background: rgba(225,48,108,.12); color: #E1306C; }

.cc-icon { width: 48px; height: 48px; min-width: 48px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.cc-content h3 { color: var(--white); font-size: .95rem; margin-bottom: .25rem; }
.cc-content p  { color: rgba(255,255,255,.5); font-size: .82rem; margin-bottom: .4rem; }
.cc-action     { color: var(--amber-light); font-size: .78rem; font-weight: 600; }

.contact-note { display: flex; align-items: flex-start; gap: .75rem; padding: .9rem 1.1rem; background: rgba(255,255,255,.04); border-radius: var(--r-lg); border: 1px solid rgba(255,255,255,.07); }
.contact-note i { color: var(--amber); margin-top: .15rem; }
.contact-note p { color: rgba(255,255,255,.5); font-size: .82rem; }
.contact-note strong { color: rgba(255,255,255,.75); }

/* Form */
.enquiry-form { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); border-radius: var(--r-xl); padding: 2.25rem; }
.enquiry-form h3 { font-family: var(--font-serif); font-size: 1.25rem; color: var(--white); margin-bottom: 1.5rem; }
.fg { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
.fg label { font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.optional { font-size: .72rem; font-weight: 400; text-transform: none; letter-spacing: 0; color: rgba(255,255,255,.3); }
.fg input, .fg select, .fg textarea { width: 100%; padding: .7rem .9rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.11); border-radius: var(--r-sm); color: var(--white); font-family: var(--font-sans); font-size: .9rem; outline: none; transition: var(--tr); -webkit-appearance: none; appearance: none; }
.fg input::placeholder, .fg textarea::placeholder { color: rgba(255,255,255,.28); }
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--amber); background: rgba(255,255,255,.1); box-shadow: 0 0 0 3px rgba(245,158,11,.15); }
.fg select option { background: var(--navy-dark); color: var(--white); }
.fg textarea { resize: vertical; min-height: 85px; }
.btn-submit { width: 100%; padding: .85rem; background: #25D366; color: var(--white); font-family: var(--font-sans); font-weight: 700; font-size: .92rem; border: none; border-radius: var(--r-full); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .6rem; transition: var(--tr); margin-top: .4rem; box-shadow: 0 4px 20px rgba(37,211,102,.28); }
.btn-submit:hover { background: #1da853; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,.38); }

/* ===== 14. FOOTER ===== */
.footer { background: var(--navy-dark); border-top: 1px solid rgba(255,255,255,.06); padding: 3rem 0 1.5rem; }
.footer-inner { width: min(1120px, 92vw); margin-inline: auto; display: flex; flex-direction: column; gap: 1.75rem; }
.footer-logo { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: .5rem; }
.footer-brand p { color: rgba(255,255,255,.4); font-size: .85rem; max-width: 360px; line-height: 1.7; }
.footer-social { display: flex; gap: .6rem; margin-top: .9rem; }
.footer-social a { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.55); font-size: .9rem; transition: var(--tr); }
.footer-social a:hover { background: rgba(245,158,11,.15); border-color: var(--amber); color: var(--amber); }
.footer-nav { display: flex; flex-wrap: wrap; gap: .35rem; }
.footer-nav a { color: rgba(255,255,255,.4); font-size: .85rem; padding: .3rem .7rem; border-radius: var(--r-sm); transition: var(--tr); }
.footer-nav a:hover { color: var(--amber-light); background: rgba(255,255,255,.05); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding-top: 1.1rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.footer-bottom p { color: rgba(255,255,255,.28); font-size: .8rem; }
.visitor-count { display: flex; align-items: center; gap: .4rem; color: rgba(255,255,255,.25); font-size: .78rem; }
.visitor-count i { font-size: .7rem; color: var(--amber); opacity: .5; }

/* ===== 15. RESPONSIVE ===== */
@media (max-width: 1024px) {
  .results-grid { grid-template-columns: 1fr 1fr; }
  .testi-grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --section-pad: 4rem 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-container { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; padding-top: 1.5rem; }
  .hero-sub, .hero-badge { margin-inline: auto; }
  .hero-btns, .hero-stats-row, .hero-social { justify-content: center; }

  .photo-stage  { width: 300px; height: 300px; }
  .photo-circle { width: 220px; height: 220px; }
  .ring-outer   { width: 285px; height: 285px; }
  .ring-inner   { width: 258px; height: 258px; }
  .badge-tl { left: -2%; top: 10%; font-size: .68rem; }
  .badge-br { right: -2%; bottom: 10%; font-size: .68rem; }

  .persona-row { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .why-bottom   { grid-template-columns: 1fr; }
  .subjects-grid { grid-template-columns: 1fr; }
  .results-grid  { grid-template-columns: 1fr 1fr; }
  .testi-grid    { grid-template-columns: 1fr; }
  .qual-grid     { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  :root { --section-pad: 3rem 0; }
  .hero-title { font-size: 1.9rem; }
  .hs-num { font-size: 1.5rem; }
  .hs-sep { height: 28px; }
  .photo-stage  { width: 240px; height: 240px; }
  .photo-circle { width: 175px; height: 175px; }
  .ring-outer   { width: 228px; height: 228px; }
  .ring-inner   { width: 206px; height: 206px; }
  .results-grid { grid-template-columns: 1fr; }
  .enquiry-form { padding: 1.5rem 1.1rem; }
  .badge-tl, .badge-br { display: none; }
}