/*
 * Hướng nghiệp Spa — Main stylesheet (Tone A: Navy & Pearl)
 * Hand-written; Tailwind utilities (assets/css/utilities.css) layer on top.
 */

:root {
  --primary: #1E2872;
  --primary-dark: #141B57;
  --primary-soft: #3F50C8;
  --secondary: #6FB7E0;
  --accent: #C9A572;
  --accent-dark: #A88347;
  --bg: #FAF6EC;
  --bg-alt: #FFFFFF;
  --ink: #11142B;
  --muted: #5A5F78;
  --card: #FFFFFF;
  --border: #E8E0CF;
  --hero-grad-a: #0F1545;
  --hero-grad-b: #1E2872;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-accent: 'Cormorant Garamond', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--ink);
  line-height: 1.2;
  font-weight: 600;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 999px; font-weight: 600; transition: transform .2s, box-shadow .2s; cursor: pointer; border: none; font-family: inherit; font-size: 15px; }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(30,40,114,0.25); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(30,40,114,0.32); }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn--ghost:hover { background: rgba(255,255,255,0.1); }
.btn--accent { background: var(--accent); color: var(--ink); }
.btn--accent:hover { background: var(--accent-dark); color: #fff; }

/* HEADER */
.header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 24px; }
.header__logo { display: flex; align-items: center; gap: 12px; }
.header__logo img { height: 56px; width: auto; }
.header__brand { font-family: var(--font-heading); font-size: 18px; font-weight: 700; line-height: 1.1; color: var(--primary); }
.header__brand small { display: block; font-family: var(--font-body); font-size: 11px; font-weight: 500; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.header__nav { display: flex; gap: 32px; align-items: center; }
.header__nav a { font-size: 15px; font-weight: 500; color: var(--ink); transition: color .2s; }
.header__nav a:hover { color: var(--primary); }
.header__cta { display: flex; gap: 12px; align-items: center; }
.header__phone { font-weight: 600; color: var(--primary); white-space: nowrap; }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--hero-grad-a) 0%, var(--hero-grad-b) 100%);
  color: #fff;
  padding: 80px 0 100px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.06), transparent 50%);
  pointer-events: none;
}
.hero__inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero__eyebrow { display: inline-block; padding: 6px 14px; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-size: 12px; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 24px; }
.hero h1 { font-size: clamp(40px, 5vw, 64px); line-height: 1.05; margin-bottom: 24px; color: #fff; }
.hero h1 .accent { font-family: var(--font-accent); font-style: italic; color: var(--accent); }
.hero__lead { font-size: 18px; opacity: .85; margin-bottom: 36px; max-width: 540px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__media { position: relative; }
.hero__photo-wrap { aspect-ratio: 4/5; border-radius: 24px; overflow: hidden; box-shadow: 0 30px 60px rgba(0,0,0,.4); position: relative; }
.hero__photo-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero__badge { position: absolute; bottom: -24px; left: -24px; background: var(--accent); color: var(--ink); padding: 18px 24px; border-radius: 16px; box-shadow: 0 12px 32px rgba(0,0,0,.25); }
.hero__badge strong { display: block; font-family: var(--font-heading); font-size: 28px; line-height: 1; }
.hero__badge span { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; opacity: .8; }

/* SECTIONS */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(32px, 3.5vw, 48px); margin-bottom: 16px; }
.section-head p { font-size: 18px; color: var(--muted); }

/* PILLARS */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pillar { background: var(--card); border: 1px solid var(--border); border-radius: 20px; transition: transform .2s, box-shadow .2s; overflow: hidden; display: flex; flex-direction: column; }
.pillar:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(30,40,114,0.12); }
.pillar__media { aspect-ratio: 4/3; overflow: hidden; position: relative; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); }
.pillar__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; filter: saturate(1.05); }
.pillar:hover .pillar__media img { transform: scale(1.08); }
.pillar__num { position: absolute; top: 14px; left: 14px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; background: var(--accent); color: var(--ink); border-radius: 10px; font-family: var(--font-heading); font-style: italic; font-weight: 700; font-size: 18px; box-shadow: 0 6px 14px rgba(0,0,0,0.18); z-index: 2; }
.pillar__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,21,69,0) 50%, rgba(15,21,69,0.45) 100%); z-index: 1; }
.pillar__body { padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.pillar__title { font-size: 20px; margin-bottom: 8px; font-style: italic; }
.pillar__sub { color: var(--muted); font-size: 14px; line-height: 1.6; }

/* PERSONAS */
#personas { background: var(--bg-alt); }
.personas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.persona { background: var(--card); border-radius: 20px; border: 1px solid var(--border); transition: transform .2s, box-shadow .2s; overflow: hidden; display: flex; flex-direction: column; position: relative; }
.persona:hover { transform: translateY(-6px); box-shadow: 0 28px 56px rgba(30,40,114,0.15); }
.persona__media { aspect-ratio: 5/4; overflow: hidden; position: relative; background: var(--bg); }
.persona__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, filter .4s; filter: saturate(1.02); }
.persona:hover .persona__media img { transform: scale(1.05); filter: saturate(1.1); }
.persona__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,17,53,0) 40%, rgba(11,17,53,0.55) 100%); }
.persona__chip { position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,0.95); color: var(--primary); padding: 6px 12px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; backdrop-filter: blur(4px); z-index: 2; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.persona__body { padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.persona__title { font-size: 20px; margin-bottom: 8px; color: var(--primary); font-style: italic; }
.persona__sub { color: var(--muted); font-size: 14px; margin-bottom: 16px; min-height: 48px; line-height: 1.55; }
.persona__cta { font-weight: 600; color: var(--primary); font-size: 14px; transition: color .2s, transform .2s; margin-top: auto; }
.persona__cta:hover { color: var(--accent-dark); transform: translateX(2px); }

/* COURSES */
.courses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.course-card { background: var(--card); border-radius: 20px; overflow: hidden; border: 1px solid var(--border); transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column; }
.course-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(0,0,0,0.1); }
.course-card__media { aspect-ratio: 16/10; overflow: hidden; position: relative; background: var(--bg-alt); }
.course-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.course-card:hover .course-card__media img { transform: scale(1.05); }
.course-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.course-card__tag { display: inline-block; background: var(--bg); color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; margin-bottom: 12px; align-self: flex-start; }
.course-card__title { font-size: 22px; margin-bottom: 8px; }
.course-card__sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; flex: 1; }
.course-card__foot { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--border); }
.course-card__price { font-weight: 700; color: var(--primary); font-size: 14px; }
.course-card__arrow { color: var(--accent); font-size: 18px; }

/* COUNTERS */
.counters { background: var(--primary); color: #fff; }
.counters__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.counter__num { font-family: var(--font-heading); font-size: 56px; font-weight: 700; color: var(--accent); margin-bottom: 4px; line-height: 1; }
.counter__label { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; opacity: .85; }

/* PHILOSOPHY */
.philosophy { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: center; }
.philosophy__media { position: relative; }
.philosophy__media img { aspect-ratio: 3/4; object-fit: cover; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.philosophy h2 { font-size: clamp(32px, 3.5vw, 44px); margin-bottom: 16px; }
.philosophy p { color: var(--muted); font-size: 16px; margin-bottom: 12px; }
.philosophy blockquote { font-family: var(--font-heading); font-style: italic; font-size: 22px; line-height: 1.4; color: var(--primary); border-left: 3px solid var(--accent); padding: 12px 0 12px 24px; margin: 24px 0; }

/* INSTRUCTORS */
.instructors { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.instructor { text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 24px 14px 20px; transition: transform .2s, box-shadow .2s; }
.instructor:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgba(30,40,114,0.10); }
.instructor__photo { width: 124px; height: 124px; border-radius: 50%; overflow: hidden; margin: 0 auto 16px; box-shadow: 0 12px 32px rgba(30,40,114,0.18); position: relative; border: 3px solid var(--card); outline: 1.5px solid var(--accent); outline-offset: 3px; }
.instructor__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.instructor__photo--placeholder { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%); display: flex; align-items: center; justify-content: center; }
.instructor__photo--placeholder::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18) 0%, transparent 50%), radial-gradient(circle at 70% 80%, rgba(201,165,114,0.25) 0%, transparent 60%); }
.instructor__photo--placeholder svg { width: 60px; height: 60px; color: rgba(255,255,255,0.85); position: relative; z-index: 1; }
.instructor__photo--placeholder .instructor__initial { position: absolute; bottom: -4px; right: -4px; width: 40px; height: 40px; background: var(--accent); color: var(--ink); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-style: italic; font-weight: 700; font-size: 18px; border: 3px solid var(--card); z-index: 2; }
.instructor__name { font-size: 16px; margin-bottom: 4px; line-height: 1.25; }
.instructor__role { font-size: 11px; color: var(--accent-dark); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.instructor__bio { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* FOOTER */
.footer { background: var(--ink); color: #fff; padding: 64px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer__brand img { height: 64px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer__brand p { font-size: 14px; opacity: .75; max-width: 320px; }
.footer__col h4 { font-size: 16px; margin-bottom: 16px; color: var(--accent); }
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: 8px; font-size: 14px; opacity: .75; }
.footer__col a { transition: color .2s, opacity .2s; }
.footer__col a:hover { color: var(--accent); opacity: 1; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 13px; opacity: .6; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__media { max-width: 480px; margin: 0 auto; }
  .pillars, .personas { grid-template-columns: repeat(2, 1fr); }
  .courses { grid-template-columns: repeat(2, 1fr); }
  .instructors { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .header__nav { display: none; }
  .philosophy { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .pillars, .personas, .courses, .counters__grid { grid-template-columns: 1fr 1fr; }
  .instructors { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}

/* ============================================================
 * /tu-van/ page — lead capture
 * ============================================================ */
.tuvan-hero { padding: 96px 0 56px; background: linear-gradient(135deg, var(--hero-grad-a), var(--hero-grad-b)); color: #fff; position: relative; overflow: hidden; }
.tuvan-hero::after { content: ''; position: absolute; right: -120px; top: -80px; width: 480px; height: 480px; background: radial-gradient(circle, rgba(201,165,114,0.18), transparent 70%); pointer-events: none; }
.tuvan-hero .container { position: relative; z-index: 1; max-width: 880px; }
.tuvan-hero .kicker { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--accent); border: 1px solid rgba(201,165,114,0.45); padding: 6px 14px; border-radius: 999px; margin-bottom: 24px; }
.tuvan-hero .display { font-size: clamp(36px, 5vw, 60px); font-weight: 500; line-height: 1.1; margin-bottom: 24px; color: #fff; }
.tuvan-hero .display .accent { color: var(--accent); }
.tuvan-hero .display em { font-style: italic; font-family: var(--font-accent); }
.tuvan-hero .lead { font-size: 18px; max-width: 720px; opacity: .9; }
.tuvan-hero .lead strong { color: var(--accent); font-weight: 600; }

.tuvan-valueprops { padding: 64px 0 32px; background: var(--bg); }
.valueprops-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.valueprop { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; position: relative; }
.valueprop__num { display: inline-block; font-family: var(--font-heading); font-size: 28px; font-weight: 600; color: var(--accent); margin-bottom: 8px; letter-spacing: .02em; }
.valueprop h3 { font-size: 22px; margin-bottom: 12px; }
.valueprop p { color: var(--muted); font-size: 15px; }

.tuvan-form-section { padding: 48px 0 96px; background: var(--bg); }
.tuvan-form-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
.tuvan-form-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 40px; box-shadow: 0 12px 32px rgba(15, 21, 69, 0.06); }
.tuvan-form-card h2 { font-size: 32px; margin-bottom: 8px; }
.tuvan-form-card .muted { color: var(--muted); margin-bottom: 24px; }
.tuvan-form-body { margin-top: 8px; }
.tuvan-form-placeholder { background: var(--bg); border: 1px dashed var(--border); border-radius: 12px; padding: 24px; color: var(--muted); }
.tuvan-form-placeholder p { margin-bottom: 8px; }
.tuvan-form-placeholder code { background: rgba(30,40,114,0.08); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--primary); }

/* Contact Form 7 styling (when plugin active) */
.tuvan-form-body .wpcf7-form p { margin-bottom: 16px; }
.tuvan-form-body label { display: block; font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 6px; }
.tuvan-form-body input[type="text"],
.tuvan-form-body input[type="email"],
.tuvan-form-body input[type="tel"],
.tuvan-form-body input[type="url"],
.tuvan-form-body input[type="number"],
.tuvan-form-body select,
.tuvan-form-body textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; font-family: inherit; font-size: 15px; background: var(--bg); transition: border-color .2s, box-shadow .2s; }
.tuvan-form-body input:focus,
.tuvan-form-body select:focus,
.tuvan-form-body textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,40,114,0.12); background: #fff; }
.tuvan-form-body textarea { min-height: 120px; resize: vertical; }
.tuvan-form-body input[type="submit"],
.tuvan-form-body .wpcf7-submit { background: var(--primary); color: #fff; border: none; padding: 14px 32px; border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; transition: transform .2s, box-shadow .2s; font-family: inherit; }
.tuvan-form-body input[type="submit"]:hover,
.tuvan-form-body .wpcf7-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(30,40,114,0.28); }
.tuvan-form-body .wpcf7-response-output { border-radius: 10px; padding: 12px 16px; font-size: 14px; }

.tuvan-sidecard { background: var(--primary); color: #fff; border-radius: 20px; padding: 32px; position: sticky; top: 96px; }
.tuvan-sidecard h3 { font-size: 22px; color: var(--accent); margin-bottom: 20px; }
.tuvan-contact-list { list-style: none; padding: 0; }
.tuvan-contact-list li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.12); display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.tuvan-contact-list li:last-of-type { border-bottom: none; }
.tuvan-contact-list__lbl { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.tuvan-contact-list a { transition: color .2s; }
.tuvan-contact-list a:hover { color: var(--accent); }
.tuvan-sidecard__hint { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 13px; opacity: .85; }
.tuvan-sidecard__hint strong { color: var(--accent); }

@media (max-width: 900px) {
  .valueprops-grid { grid-template-columns: 1fr; }
  .tuvan-form-grid { grid-template-columns: 1fr; }
  .tuvan-sidecard { position: static; }
  .tuvan-form-card { padding: 28px 20px; }
}