/* ============================================================
   ACCESS ASIA — Shared Stylesheet
   accessasia.consulting
   Design system: Space Grotesk (display) + Inter (body)
   Self-hosted fonts · left-weighted editorial layout
   ============================================================ */

/* ── SELF-HOSTED FONTS (variable) ── */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/fonts/inter-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('assets/fonts/spacegrotesk-var.woff2') format('woff2');
}

/* ── VARIABLES ── */
:root {
  --aa-red:        #E63946;
  --aa-red-dark:   #C5313D;
  --aa-charcoal:   #1A1A1A;
  --aa-ink:        #14110F;   /* near-black for the deepest surfaces */
  --aa-white:      #FFFFFF;
  --aa-gray-dark:  #666666;
  --aa-gray-mid:   #8A8A8A;
  --aa-gray-light: #E8E8E8;
  --aa-bg-subtle:  #F7F7F7;
  --aa-bg-callout: #F8F8F8;

  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', 'Helvetica Neue', sans-serif;

  /* Fluid type scale */
  --step-hero: clamp(2.5rem, 1.6rem + 4.2vw, 4.5rem);
  --step-h1:   clamp(2rem, 1.5rem + 2.4vw, 3rem);
  --step-h2:   clamp(1.35rem, 1.15rem + 0.9vw, 1.7rem);

  --max-w:  1080px;   /* page shell */
  --prose:  680px;    /* readable line length */
  --nav-h:  68px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--aa-charcoal);
  background: var(--aa-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip; /* contain 100vw full-bleed bands without a sliver of h-scroll */
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
::selection { background: var(--aa-red); color: #fff; }

/* ── NAVIGATION ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(20,17,15,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: height 0.3s var(--ease), background 0.3s var(--ease);
}
nav.scrolled { height: 56px; background: rgba(20,17,15,0.98); }

.nav-brand { display: flex; flex-direction: column; gap: 1px; line-height: 1.2; }
.nav-brand-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aa-white);
}
.nav-slash { color: var(--aa-red); font-weight: 700; letter-spacing: 0; margin-right: 2px; }
.nav-brand-sub {
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--aa-gray-mid);
  text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.25rem); list-style: none; }
.nav-links a {
  position: relative;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.62);
  transition: color 0.2s var(--ease);
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--aa-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav-links a:hover { color: var(--aa-white); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--aa-white); }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 4px 0; transition: 0.3s var(--ease); }

/* ── FOOTER ── */
footer {
  background: var(--aa-ink);
  color: var(--aa-gray-mid);
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.25rem, 4vw, 3rem);
  margin-top: clamp(4rem, 9vw, 7rem);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aa-white);
  margin-bottom: 0.4rem;
}
.footer-tagline { font-size: 12px; color: var(--aa-gray-mid); font-style: italic; }
.footer-social { margin-top: 0.9rem; display: flex; gap: 1.1rem; }
.footer-social a {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--aa-gray-mid); transition: color 0.2s var(--ease);
  border-bottom: 1px solid transparent; padding-bottom: 1px;
}
.footer-social a:hover { color: var(--aa-white); border-bottom-color: var(--aa-red); }
.footer-right { font-size: 12px; text-align: right; line-height: 1.85; }
.footer-right a { color: var(--aa-gray-mid); transition: color 0.2s var(--ease); }
.footer-right a:hover { color: var(--aa-white); }

@media (max-width: 620px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-right { text-align: left; }
}

/* ── PAGE SHELL ── */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 4vw, 3rem) 2rem;
}

/* ── TYPOGRAPHY ── */
h1 {
  font-family: var(--font-display);
  font-size: var(--step-h1);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--aa-charcoal);
  margin-bottom: 1.5rem;
}
h2 {
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--aa-charcoal);
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--aa-red);
  display: inline-block;
}
h3 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--aa-red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--aa-charcoal);
  margin-bottom: 1.25rem;
  max-width: var(--prose);
}
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }

/* ── SECTION RHYTHM ── */
.section { margin-top: clamp(3rem, 6vw, 4.5rem); }
.section + .section {
  padding-top: clamp(2.5rem, 5vw, 3.25rem);
  border-top: 1px solid var(--aa-gray-light);
}

/* ── CALLOUT ── */
.callout {
  border-left: 4px solid var(--aa-red);
  border-top: 1px solid var(--aa-red);
  background: var(--aa-bg-callout);
  padding: 1.35rem 1.6rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: 1.05rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--aa-charcoal);
  max-width: var(--prose);
}

/* ── LABEL (section eyebrow) ── */
.label {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aa-red);
  margin-bottom: 1rem;
}
.label::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--aa-red);
  display: inline-block;
}

hr { border: none; border-top: 1px solid var(--aa-gray-light); margin: 3rem 0; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--aa-red);
  color: var(--aa-white);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.85rem 1.9rem;
  border: 1px solid var(--aa-red);
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
  text-decoration: none;
}
.btn:hover { background: var(--aa-red-dark); border-color: var(--aa-red-dark); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--aa-charcoal);
  border: 1px solid var(--aa-charcoal);
}
.btn-ghost:hover { background: var(--aa-charcoal); color: var(--aa-white); transform: translateY(-1px); }

/* ── HERO (Home) ── */
.hero {
  position: relative;
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2rem, 4vw, 3.5rem);
}
.hero-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(7rem, 22vw, 16rem);
  line-height: 0.8;
  color: var(--aa-gray-light);
  position: absolute;
  top: clamp(1rem, 3vw, 2.5rem);
  right: 0;
  z-index: 0;
  opacity: 0.55;
  user-select: none;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 860px; }
.hero-claim {
  font-family: var(--font-display);
  font-size: var(--step-hero);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--aa-charcoal);
  margin-bottom: 1.75rem;
}
.hero-claim .accent { color: var(--aa-red); }
.hero-sub {
  font-size: clamp(16px, 1rem + 0.2vw, 18px);
  line-height: 1.7;
  color: var(--aa-gray-dark);
  max-width: 620px;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* ── FULL-BLEED IMAGE BAND ── */
.image-band {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  height: clamp(240px, 42vw, 460px);
  overflow: hidden;
  margin: clamp(3rem, 6vw, 5rem) 0;
}
.image-band img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 58%;
  filter: saturate(0.82) brightness(0.94);
}
.image-band .band-caption {
  position: absolute;
  left: clamp(1.25rem, 4vw, 3rem);
  bottom: 1.1rem;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  background: rgba(20,17,15,0.45);
  padding: 0.35rem 0.7rem;
  backdrop-filter: blur(4px);
}

/* ── ENTRY CARDS (Home) ── */
.entry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
.entry-card {
  border-top: 2px solid var(--aa-red);
  padding: 1.5rem 0 0;
  transition: transform 0.28s var(--ease);
}
.entry-card:hover { transform: translateY(-4px); }
.entry-card-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--aa-gray-dark); margin-bottom: 0.7rem;
}
.entry-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 600; border: none; padding: 0;
  margin-bottom: 0.6rem; display: block; letter-spacing: -0.01em;
}
.entry-card p { font-size: 13.5px; line-height: 1.65; color: var(--aa-gray-dark); margin-bottom: 1rem; }
.entry-card a.card-link {
  font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--aa-red); display: inline-flex; align-items: center; gap: 0.4rem;
  border-bottom: 1px solid var(--aa-red); padding-bottom: 1px;
}
.entry-card a.card-link .arrow { transition: transform 0.24s var(--ease); }
.entry-card:hover a.card-link .arrow { transform: translateX(4px); }

/* ── AREAS OF PRACTICE (Work) ── */
.practice-areas {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem); margin-top: 2.5rem; margin-bottom: 0.5rem;
}
.practice-area { border-top: 2px solid var(--aa-gray-light); padding-top: 1rem; transition: border-color 0.25s var(--ease); }
.practice-area:hover { border-top-color: var(--aa-red); }
.practice-area-name {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 600; letter-spacing: -0.005em;
  color: var(--aa-charcoal); margin-bottom: 0.5rem;
}
.practice-area p { font-size: 13.5px; color: var(--aa-gray-dark); line-height: 1.6; margin-bottom: 0; }

/* ── GENERATION SECTIONS (Work) ── */
.gen-section {
  margin-top: clamp(2.75rem, 5vw, 3.5rem);
  padding-top: clamp(2rem, 4vw, 2.5rem);
  border-top: 1px solid var(--aa-gray-light);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.gen-head { position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.gen-label {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--aa-red); margin-bottom: 0.4rem;
}
.gen-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 600; border: none; padding: 0;
  margin-bottom: 0; display: block; letter-spacing: -0.015em;
}
.gen-body p:first-child { margin-top: 0; }

@media (max-width: 720px) {
  .gen-section { grid-template-columns: 1fr; gap: 1rem; }
  .gen-head { position: static; }
}

/* ── FRAMEWORK LIST (Thinking) ── */
.framework-list { margin-top: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.framework-item {
  border-left: 3px solid var(--aa-gray-light);
  padding: 0.25rem 0 0.25rem 1.35rem;
  transition: border-color 0.25s var(--ease);
}
.framework-item:hover { border-left-color: var(--aa-red); }
.framework-item h3 {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 600; color: var(--aa-charcoal);
  text-transform: none; letter-spacing: -0.01em; margin-bottom: 0.4rem;
}
.framework-item p { font-size: 14px; color: var(--aa-gray-dark); margin-bottom: 0; max-width: none; }

@media (max-width: 720px) { .framework-list { grid-template-columns: 1fr; } }

/* ── SERIES LIST (Thinking) ── */
.series-list { margin-top: 1.5rem; display: flex; flex-direction: column; }
.series-item {
  display: grid; grid-template-columns: 44px 1fr; gap: 1rem;
  align-items: start; padding: 1.25rem 0;
  border-top: 1px solid var(--aa-gray-light);
  transition: padding-left 0.25s var(--ease);
}
.series-item:hover { padding-left: 0.4rem; }
.series-item:last-child { border-bottom: 1px solid var(--aa-gray-light); }
.series-num {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600; color: var(--aa-red); padding-top: 2px;
}
.series-item-text h3 {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 600; color: var(--aa-charcoal);
  text-transform: none; letter-spacing: -0.01em; margin-bottom: 0.3rem;
}
.series-item-text p { font-size: 13.5px; color: var(--aa-gray-dark); margin-bottom: 0; }

/* ── FEATURED PAPER CARD (Thinking) ── */
.paper-feature {
  background: var(--aa-bg-subtle);
  border-top: 3px solid var(--aa-red);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 1.5rem;
}
.paper-feature h2 { margin-top: 0.5rem; }

/* ── WHITEPAPER GATE (Thinking) ── */
.gate-box {
  background: var(--aa-white);
  border: 1px solid var(--aa-gray-light);
  padding: 1.6rem 1.75rem;
  margin-top: 1.75rem;
  max-width: 560px;
}
.gate-box p { font-size: 13px; color: var(--aa-gray-dark); margin-bottom: 1.1rem; }
.gate-form { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.gate-form input[type="email"], .gate-form input[type="text"] {
  flex: 1; min-width: 180px; font-family: var(--font-body); font-size: 14px;
  padding: 0.7rem 0.9rem; border: 1px solid var(--aa-gray-light);
  background: var(--aa-white); color: var(--aa-charcoal); outline: none;
  transition: border-color 0.2s var(--ease);
}
.gate-form input:focus { border-color: var(--aa-red); }
.gate-form .btn { white-space: nowrap; }

/* ── CONTACT FORM ── */
.contact-form { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.15rem; max-width: 560px; }
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label {
  font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--aa-gray-dark);
}
.form-row input, .form-row textarea, .form-row select {
  font-family: var(--font-body); font-size: 14px; padding: 0.75rem 0.9rem;
  border: 1px solid var(--aa-gray-light); background: var(--aa-white);
  color: var(--aa-charcoal); outline: none; transition: border-color 0.2s var(--ease); width: 100%;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--aa-red); }
.form-row textarea { min-height: 130px; resize: vertical; }

/* ── THANK-YOU ── */
.thankyou-box { text-align: left; max-width: 580px; padding: clamp(3rem, 7vw, 5rem) 0; }
.thankyou-box h1 { margin-bottom: 1rem; }
.thankyou-box p { margin-bottom: 2rem; }

/* ── ABOUT PHOTO LAYOUT ── */
.about-principal-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start; margin-top: 1.5rem;
}
.about-photo-wrap { position: sticky; top: calc(var(--nav-h) + 2rem); }
.about-photo-wrap img { width: 100%; display: block; filter: saturate(0.92); }
.about-photo-caption {
  font-size: 11px; color: var(--aa-gray-dark); letter-spacing: 0.08em;
  text-transform: uppercase; margin-top: 0.75rem;
}
.about-creds { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.about-creds span { font-size: 12px; color: var(--aa-gray-dark); }

/* ── MOTION (scroll reveal) ──
   Progressive enhancement: content is fully visible by default.
   Only when JS adds `.js` to <html> do we hide-then-reveal, using a
   keyframe animation (fill-mode forwards) so the end state can never
   get stranded the way a scroll-interrupted transition can. */
.js .reveal { opacity: 0; }
.js .reveal.in { animation: aa-reveal 0.7s var(--ease) forwards; }

@keyframes aa-reveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; }
  .js .reveal.in { animation: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .entry-cards { grid-template-columns: 1fr; gap: 1.25rem; }
  .practice-areas { grid-template-columns: 1fr; }
  .about-principal-layout { grid-template-columns: 1fr; }
  .about-photo-wrap { position: static; max-width: 240px; }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(20,17,15,0.98);
    padding: 0.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-120%);
    transition: transform 0.32s var(--ease);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 0.75rem 0; font-size: 15px; }
  .nav-links a::after { display: none; }
  .nav-toggle { display: block; }
  .hero-mark { opacity: 0.35; }
}