/* =========================================================
   WeMentor English Academy — shared stylesheet
   Design: deep-navy + warm amber, Fraunces display / Inter body
   Signature element: the "one continuous journey" staircase line
   ========================================================= */

:root{
  --ink:        #142845;
  --ink-deep:   #0c1a30;
  --blue:       #1f4e8c;
  --blue-soft:  #eaf1fb;
  --amber:      #e2963a;
  --amber-deep: #c67a22;
  --amber-soft: #fbf0dd;
  --bg:         #f5f6fa;
  --bg-warm:    #faf8f4;
  --white:      #ffffff;
  --text:       #26324a;
  --text-mute:  #5c6a85;
  --border:     #e2e6ee;
  --whatsapp:   #2aa85c;
  --whatsapp-deep: #1f8a49;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 10px 30px -12px rgba(14,26,48,.18);
  --shadow-sm:  0 4px 14px -6px rgba(14,26,48,.14);
  --maxw:       1180px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
h1{ font-size:clamp(2.1rem,4.4vw,3.4rem); font-weight:560; letter-spacing:-.01em; }
h2{ font-size:clamp(1.6rem,3vw,2.3rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; color:var(--text-mute); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:var(--amber-deep); margin-bottom:.9em;
}
:focus-visible{ outline:3px solid var(--amber); outline-offset:2px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding:.85em 1.6em; border-radius:999px; font-weight:600; font-size:.98rem;
  border:2px solid transparent; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--amber); color:var(--ink-deep); box-shadow:var(--shadow-sm); }
.btn-primary:hover{ background:var(--amber-deep); }
.btn-outline{ background:transparent; border-color:rgba(255,255,255,.55); color:inherit; }
.btn-outline:hover{ background:rgba(255,255,255,.12); }
.btn-navy{ background:var(--ink); color:var(--white); }
.btn-navy:hover{ background:var(--ink-deep); }
.btn-whatsapp{ background:var(--whatsapp); color:var(--white); }
.btn-whatsapp:hover{ background:var(--whatsapp-deep); }
.btn-block{ width:100%; }
.btn-sm{ padding:.6em 1.1em; font-size:.88rem; }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:74px; }
.brand{ display:flex; align-items:center; gap:.6em; font-family:var(--font-display); font-weight:600; font-size:1.15rem; color:var(--ink); }
.brand-mark{
  width:38px; height:38px; border-radius:10px; background:var(--ink);
  color:var(--amber); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:1.05rem; flex:none;
}
.brand small{ display:block; font-family:var(--font-body); font-weight:500; font-size:.68rem; color:var(--text-mute); letter-spacing:.03em; }

.nav-desktop{ display:flex; align-items:center; gap:2.1em; }
.nav-links{ display:flex; gap:1.9em; }
.nav-links a{ font-weight:600; font-size:.95rem; color:var(--ink); position:relative; padding:.3em 0; }
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background:var(--amber);
  transition:right .18s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ right:0; }
.nav-cta{ display:flex; align-items:center; gap:.7em; }

.hamburger{ display:none; background:none; border:none; padding:8px; }
.hamburger span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition:.2s; }
.mobile-menu{
  display:none; position:fixed; inset:74px 0 0 0; background:var(--white); z-index:99;
  padding:28px 24px; overflow-y:auto;
}
.mobile-menu.open{ display:block; }
.mobile-menu a{
  display:block; padding:.9em 0; font-size:1.15rem; font-weight:600; color:var(--ink);
  border-bottom:1px solid var(--border);
}
.mobile-menu .btn{ margin-top:1.4em; }

@media (max-width:900px){
  .nav-desktop{ display:none; }
  .hamburger{ display:block; }
}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--ink) 0%, var(--ink-deep) 100%);
  color:var(--white); position:relative; overflow:hidden;
  padding:76px 0 92px;
}
.hero::after{
  content:""; position:absolute; right:-120px; top:-80px; width:420px; height:420px;
  background:radial-gradient(circle,rgba(226,150,58,.25),transparent 70%); pointer-events:none;
}
.hero .container{ display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center; position:relative; }
.hero-eyebrow{ color:var(--amber); }
.hero h1{ color:var(--white); }
.hero p.lead{ color:rgba(255,255,255,.82); font-size:1.12rem; max-width:52ch; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:.8em; margin-top:1.6em; }
.hero-note{ margin-top:1.4em; font-size:.88rem; color:rgba(255,255,255,.6); }

/* staircase — signature element: one continuous ascending path */
.staircase{ width:100%; height:auto; }
.staircase .step-label{ font-family:var(--font-body); font-size:12px; font-weight:700; letter-spacing:.06em; }
.staircase .step-label.on-dark{ fill:rgba(255,255,255,.85); }
.staircase .step-label.on-light{ fill:var(--ink); }
.staircase .step-line{ fill:none; stroke:var(--amber); stroke-width:3; stroke-linecap:round; }
.staircase .step-dot{ fill:var(--amber); }
.staircase .step-dot-outline{ fill:var(--ink-deep); stroke:var(--amber); stroke-width:2.5; }

/* ---------- sections ---------- */
.section{ padding:88px 0; }
.section-alt{ background:var(--bg); }
.section-warm{ background:var(--bg-warm); }
.section-head{ max-width:64ch; margin-bottom:2.6em; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* problem/solution list */
.problem-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:20px; margin:2em 0; }
.problem-item{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.4em 1.3em; display:flex; gap:.9em; align-items:flex-start;
}
.problem-item .dot{ flex:none; width:10px; height:10px; border-radius:50%; background:var(--amber); margin-top:.5em; }
.problem-item p{ margin:0; color:var(--text); font-size:.95rem; }

/* course level cards (progression) */
.levels{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; background:var(--white); }
.level{ padding:2em 1.6em; border-right:1px solid var(--border); position:relative; }
.level:last-child{ border-right:none; }
.level .lv-num{ font-family:var(--font-body); font-weight:800; letter-spacing:.08em; text-transform:uppercase; font-size:.72rem; color:var(--amber-deep); }
.level h3{ margin:.4em 0 .5em; }
.level p{ font-size:.92rem; margin:0; }
.levels-note{ text-align:center; margin-top:1.6em; font-size:.92rem; color:var(--text-mute); }
.levels-note strong{ color:var(--ink); }
@media (max-width:860px){
  .levels{ grid-template-columns:1fr 1fr; }
  .level{ border-bottom:1px solid var(--border); }
  .level:nth-child(2n){ border-right:none; }
}
@media (max-width:520px){
  .levels{ grid-template-columns:1fr; }
}

/* generic card grid (what you learn / practice / who it's for) */
.card-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:22px; }
.card{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.7em 1.5em; box-shadow:var(--shadow-sm); transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.card .icon{
  width:44px; height:44px; border-radius:10px; background:var(--blue-soft); color:var(--blue);
  display:flex; align-items:center; justify-content:center; margin-bottom:1em; font-family:var(--font-display); font-weight:700;
}
.card h3{ font-size:1.08rem; margin-bottom:.4em; }
.card p{ font-size:.92rem; margin:0; }

/* audience chips */
.audience-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; }
.audience-item{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:1.1em 1.2em; font-weight:600; color:var(--ink); font-size:.95rem;
  display:flex; align-items:center; gap:.7em;
}
.audience-item .dot2{ width:8px; height:8px; border-radius:50%; background:var(--blue); flex:none; }

/* process steps */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; counter-reset:step; }
.process-step{ position:relative; padding:1.8em 1.5em 1.5em; background:var(--white); border:1px solid var(--border); border-radius:var(--radius); }
.process-step .step-no{
  width:34px; height:34px; border-radius:50%; background:var(--ink); color:var(--amber);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-family:var(--font-display); margin-bottom:.9em;
}
@media (max-width:860px){ .process{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .process{ grid-template-columns:1fr; } }

/* why-us list */
.why-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px 32px; }
.why-item{ display:flex; gap:.9em; align-items:flex-start; }
.why-item .check{
  flex:none; width:26px; height:26px; border-radius:50%; background:var(--amber-soft); color:var(--amber-deep);
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:.85rem; margin-top:.1em;
}
.why-item h3{ font-size:1.02rem; margin:0 0 .25em; }
.why-item p{ font-size:.9rem; margin:0; }
@media (max-width:700px){ .why-grid{ grid-template-columns:1fr; } }

/* CTA banner */
.cta-banner{
  background:var(--ink); color:var(--white); border-radius:20px; padding:3em 2.4em;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.6em;
}
.cta-banner h2{ color:var(--white); margin:0 0 .3em; font-size:clamp(1.4rem,2.6vw,1.9rem); }
.cta-banner p{ color:rgba(255,255,255,.75); margin:0; }
.cta-banner .ctas{ display:flex; gap:.8em; flex-wrap:wrap; }

/* FAQ */
.faq{ max-width:820px; margin:0 auto; }
.faq-item{ border-bottom:1px solid var(--border); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding:1.3em .2em;
  display:flex; align-items:center; justify-content:space-between; gap:1em;
  font-family:var(--font-display); font-size:1.02rem; color:var(--ink); font-weight:600;
}
.faq-q .plus{ font-size:1.4rem; color:var(--amber-deep); transition:transform .2s ease; flex:none; }
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-a p{ padding:0 .2em 1.3em; margin:0; font-size:.94rem; }

/* footer */
.site-footer{ background:var(--ink-deep); color:rgba(255,255,255,.78); padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:36px; margin-bottom:2.6em; }
.footer-grid h4{ color:var(--white); font-family:var(--font-body); font-size:.85rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:1em; }
.footer-grid a, .footer-grid p{ color:rgba(255,255,255,.68); font-size:.92rem; }
.footer-grid ul li{ margin-bottom:.7em; }
.footer-grid ul a:hover{ color:var(--amber); }
.footer-brand p{ max-width:34ch; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding-top:1.6em; display:flex; flex-wrap:wrap; gap:1em; justify-content:space-between; font-size:.82rem; color:rgba(255,255,255,.5); }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

/* mobile sticky CTA bar */
.mobile-cta-bar{
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:90;
  background:var(--white); border-top:1px solid var(--border); box-shadow:0 -6px 20px rgba(0,0,0,.08);
  padding:10px 14px; gap:10px;
}
.mobile-cta-bar a{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:.15em;
  font-size:.72rem; font-weight:700; padding:.5em 0; border-radius:10px; color:var(--ink);
}
.mobile-cta-bar a.call{ background:var(--blue-soft); color:var(--blue); }
.mobile-cta-bar a.whatsapp{ background:#e6f7ec; color:var(--whatsapp-deep); }
.mobile-cta-bar a.enquire{ background:var(--amber-soft); color:var(--amber-deep); }
@media (max-width:760px){
  .mobile-cta-bar{ display:flex; }
  body{ padding-bottom:70px; }
}

/* breadcrumbs */
.breadcrumbs{ font-size:.85rem; color:var(--text-mute); padding:18px 0; }
.breadcrumbs a{ color:var(--blue); }
.breadcrumbs span{ margin:0 .5em; }

/* page hero (non-home) */
.page-hero{ background:var(--bg); padding:56px 0 60px; border-bottom:1px solid var(--border); }
.page-hero .eyebrow{ color:var(--blue); }
.page-hero p.lead{ max-width:66ch; font-size:1.05rem; }

/* two-col */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:52px; align-items:center; }
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }

/* image placeholders */
.img-frame{
  border-radius:var(--radius); overflow:hidden; background:var(--blue-soft);
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center;
  color:var(--blue); font-family:var(--font-display); font-size:.95rem; text-align:center; padding:2em;
  border:1px solid var(--border);
}

/* forms */
.form-card{ background:var(--white); border:1px solid var(--border); border-radius:var(--radius); padding:2.2em; box-shadow:var(--shadow-sm); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:600px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:1.2em; }
.field label{ display:block; font-weight:600; font-size:.88rem; color:var(--ink); margin-bottom:.45em; }
.field .req{ color:var(--amber-deep); }
.field input, .field select, .field textarea{
  width:100%; padding:.8em .9em; border:1.5px solid var(--border); border-radius:var(--radius-sm);
  font-family:inherit; font-size:.96rem; color:var(--text); background:var(--white);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--blue); outline:none; }
.field textarea{ resize:vertical; min-height:110px; }
.field.error input, .field.error select, .field.error textarea{ border-color:#c0392b; }
.field .err-msg{ display:none; color:#c0392b; font-size:.8rem; margin-top:.35em; }
.field.error .err-msg{ display:block; }
.radio-group{ display:flex; gap:1.4em; flex-wrap:wrap; }
.radio-group label{ display:flex; align-items:center; gap:.5em; font-weight:500; font-size:.92rem; color:var(--text); }
.radio-group input{ width:auto; }
.form-success{ display:none; background:#e6f7ec; border:1px solid #bfe8cf; color:var(--whatsapp-deep); padding:1.2em 1.4em; border-radius:var(--radius-sm); margin-bottom:1.4em; font-weight:600; }
.form-success.show{ display:block; }
.contact-cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; margin-bottom:2.4em; }
.contact-card{ background:var(--white); border:1px solid var(--border); border-radius:var(--radius); padding:1.6em; }
.contact-card h3{ font-size:1rem; margin-bottom:.4em; }
.contact-card p{ font-size:.92rem; margin:0 0 .8em; }
.map-frame{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--border); aspect-ratio:16/8; }
.map-frame iframe{ width:100%; height:100%; border:0; }

/* utility */
.mt-lg{ margin-top:3em; }
.text-center{ text-align:center; }
.small-print{ font-size:.82rem; color:var(--text-mute); }