/* ==========================================================================
   Route 77 – main stylesheet
   --------------------------------------------------------------------------
   Change the whole site's colours and fonts in the :root block below.
   ========================================================================== */

/* ---------- Fonts (self-hosted, no Google calls) ---------- */
@font-face { font-family: "Poppins"; font-weight: 600; font-style: normal; font-display: swap; src: url("../assets/fonts/poppins-600.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 700; font-style: normal; font-display: swap; src: url("../assets/fonts/poppins-700.woff2") format("woff2"); }
@font-face { font-family: "Hind";    font-weight: 400; font-style: normal; font-display: swap; src: url("../assets/fonts/hind-400.woff2") format("woff2"); }
@font-face { font-family: "Hind";    font-weight: 600; font-style: normal; font-display: swap; src: url("../assets/fonts/hind-600.woff2") format("woff2"); }

/* ---------- Brand settings: edit these ---------- */
:root {
  --color-dark:    #111214;   /* header, footer, dark sections (logo black) */
  --color-text:    #2b2d31;   /* body text */
  --color-muted:   #6b6f76;   /* secondary text */
  --color-light:   #f5f5f3;   /* light grey section background */
  --color-white:   #ffffff;
  --color-accent:  #f2b705;   /* highlight colour: buttons, accents (road-sign yellow) */
  --color-accent-dark: #d9a300;

  --font-heading: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Hind", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 14px;
  --container: 1180px;
  --header-h: 72px;
  --shadow: 0 10px 30px rgba(17, 18, 20, .08);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { margin: 0; font-family: var(--font-body); font-size: 1.125rem; line-height: 1.65; color: var(--color-text); background: var(--color-white); -webkit-font-smoothing: antialiased; }
img, video, picture { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.15; margin: 0 0 .6em; color: var(--color-dark); }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); letter-spacing: -.01em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1.1em; }
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

/* ---------- Buttons & labels ---------- */
.btn { display: inline-block; font-family: var(--font-heading); font-weight: 600; font-size: 1rem; text-decoration: none; padding: .85em 1.6em; border-radius: 999px; background: var(--color-accent); color: var(--color-dark); border: 2px solid var(--color-accent); transition: background .2s, color .2s, transform .2s; }
.btn:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: var(--color-white); color: var(--color-dark); border-color: var(--color-white); }
.btn-dark { background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark); }
.btn-dark:hover { background: #000; border-color: #000; }
.btn-small { padding: .5em 1.2em; font-size: .95rem; }
.eyebrow { font-family: var(--font-heading); font-weight: 600; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 1rem; }
.eyebrow.dark { color: var(--color-muted); }
.eyebrow.dark::before { content: ""; display: inline-block; width: 28px; height: 3px; background: var(--color-accent); vertical-align: middle; margin-right: .6em; border-radius: 2px; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h); background: rgba(17,18,20,.55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: background .3s; }
.site-header.scrolled { background: rgba(17,18,20,.96); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--color-white); font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; }
.brand img { width: 40px; height: auto; }
.site-nav ul { list-style: none; display: flex; align-items: center; gap: 2rem; margin: 0; padding: 0; }
.site-nav a { color: var(--color-white); text-decoration: none; font-family: var(--font-heading); font-weight: 600; font-size: .98rem; }
.site-nav a:not(.btn):hover { color: var(--color-accent); }
.site-nav .btn { color: var(--color-dark); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--color-white); margin: 6px 0; transition: transform .25s, opacity .25s; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; color: var(--color-white); overflow: hidden; background-color: var(--color-dark); background-image: url("../assets/img/hero-poster.jpg"); background-image: image-set(url("../assets/img/hero-poster.webp") type("image/webp"), url("../assets/img/hero-poster.jpg") type("image/jpeg")); background-position: center; background-size: cover; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(17,18,20,.86) 0%, rgba(17,18,20,.62) 50%, rgba(17,18,20,.28) 100%), linear-gradient(180deg, rgba(17,18,20,.45) 0%, rgba(17,18,20,0) 25%); }
.hero-content { position: relative; padding: calc(var(--header-h) + 3rem) 0 4rem; max-width: 780px; margin-left: max(1.25rem, calc((100% - var(--container)) / 2)); }
.hero h1 { color: var(--color-white); }
.hero .lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: rgba(255,255,255,.9); max-width: 600px; }
.hero h1 { max-width: 15ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------- Sections ---------- */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-alt { background: var(--color-light); }
.section-dark { background: var(--color-dark); color: rgba(255,255,255,.85); }
.section-dark h2, .section-dark h3 { color: var(--color-white); }
.section-accent { background: var(--color-accent); padding-bottom: 0; }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-intro { color: var(--color-muted); }

/* About: text + image side by side */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow); }

/* Grids */
.grid { display: grid; gap: 1.75rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Service cards */
.card { background: var(--color-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .25s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); }
.card img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.card-body { padding: 1.5rem 1.6rem .6rem; border-top: 4px solid var(--color-accent); flex: 1; }
.card-body h3 { margin-bottom: .4em; }
.card-body p { color: var(--color-muted); }

/* How-we-help tiles */
.tile img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; border-radius: var(--radius); margin-bottom: 1.1rem; }
.tile h3 { font-size: 1.1rem; margin-bottom: .45em; }
.tile p { color: var(--color-muted); font-size: 1.02rem; margin: 0; }

/* Work gallery */
.work { margin: 0; border-radius: var(--radius); overflow: hidden; background: #1c1d20; }
.work img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; transition: transform .4s; }
.work:hover img { transform: scale(1.04); }
.work figcaption { padding: 1rem 1.25rem; font-family: var(--font-heading); font-weight: 600; color: var(--color-white); }

/* Agency */
.agency-zh { background: var(--color-dark); border-left: 6px solid var(--color-accent); border-radius: var(--radius); padding: 1.4rem 1.8rem; margin-bottom: 1.75rem; }
.agency-zh-main { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif; font-weight: 600; font-size: clamp(1.4rem, 3vw, 2rem); color: var(--color-accent); margin: 0; letter-spacing: .04em; }
.agency-zh-sub { color: rgba(255,255,255,.75); margin: .3rem 0 0; font-size: 1rem; }
.agency-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
.agency-panel { background: var(--color-white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem 2rem 1.4rem; border-top: 4px solid var(--color-accent); }
.agency-panel-dark { background: var(--color-dark); color: rgba(255,255,255,.85); }
.agency-panel-dark h3 { color: var(--color-white); }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { position: relative; padding-left: 1.9rem; margin-bottom: .85rem; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .35em; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--color-accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23111214' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat; }
.agency-support { margin-top: 3rem; }
.agency-support h3, .agency-categories h3 { font-size: 1.1rem; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.chips li { background: var(--color-white); border: 1px solid rgba(17,18,20,.1); border-radius: 999px; padding: .45em 1em; font-size: .98rem; }
.agency-categories { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; margin-top: 2.5rem; }
.agency-categories > div { border-left: 4px solid var(--color-accent); padding-left: 1.25rem; }
.agency-categories p { color: var(--color-muted); margin: 0; }
.agency-cta { margin: 2.75rem 0 0; }

/* Customers */
.customer-groups { display: grid; gap: 2.5rem; }
.customer-group h3 { font-size: 1.05rem; margin: 0 0 1.1rem; padding-left: .9rem; border-left: 4px solid var(--color-accent); }
/* Logo wall: uniform tiles; each logo's size is set by --w on its <img> (share of tile width) */
.customer-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; }
.customer-list li { display: flex; align-items: center; justify-content: center; aspect-ratio: 15 / 8; padding: 10% 6%; background: var(--color-white); border: 1px solid rgba(17,18,20,.08); border-radius: 10px; box-shadow: 0 2px 8px rgba(17,18,20,.04); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.customer-list img { display: block; width: var(--w, 70%); max-width: 100%; height: auto; max-height: 100%; object-fit: contain; filter: grayscale(100%); opacity: .75; transition: filter .25s, opacity .25s; }
.customer-list img.tone-light { filter: grayscale(100%) brightness(.55) contrast(1.25); }
.customer-list img.tone-boost { filter: grayscale(100%) brightness(.6) contrast(4); }
.customer-list li:hover { border-color: rgba(17,18,20,.16); box-shadow: 0 6px 18px rgba(17,18,20,.08); }
.customer-list li:hover img, .customer-list li:hover img.tone-light, .customer-list li:hover img.tone-boost { filter: none; opacity: 1; }
.customer-list li.text-chip { font-family: var(--font-heading); font-weight: 600; font-size: .98rem; color: var(--color-dark); text-align: center; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: center; }
.contact-text { padding: clamp(2rem, 5vw, 4rem) 0; }
.contact-text p { font-size: 1.2rem; max-width: 520px; color: var(--color-dark); margin-bottom: 1.6rem; }
.contact-media { align-self: center; margin: 0 0 0 auto; width: 100%; max-width: 340px; padding: clamp(2rem, 5vw, 4rem) 0; }
.contact-media figcaption { margin-top: 1.1rem; text-align: center; font-family: "Poppins", sans-serif; font-size: 1.15rem; color: var(--color-dark); }
.contact-media figcaption strong { font-weight: 600; }
.contact-media figcaption span { margin: 0 .35em; }
.contact-media img { margin: 0 auto; width: 100%; max-width: 340px; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 50%; border: 6px solid var(--color-white); box-shadow: 0 18px 40px rgba(0,0,0,.18); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.75); padding: 3.5rem 0 1.5rem; font-size: 1rem; }
.site-footer a { color: var(--color-white); }
.site-footer a:hover { color: var(--color-accent); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 1rem; }
.footer-brand p, .footer-contact p { margin: 0; }
.footer-brand strong { color: var(--color-white); font-family: var(--font-heading); }
.footer-legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2.5rem; padding-top: 1.25rem; font-size: .9rem; color: rgba(255,255,255,.5); }
.footer-legal p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1140px) {
  .site-nav ul { gap: 1.1rem; }
  .site-nav a { font-size: .92rem; }
}
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(17,18,20,.98); padding: 1rem 1.25rem 2rem; transform: translateY(-120%); visibility: hidden; transition: transform .3s, visibility .3s; }
  .site-nav.open { transform: none; visibility: visible; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .site-header.menu-open { background: rgba(17,18,20,.98); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .split, .contact, .agency-panels, .agency-categories { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; max-width: 520px; }
  .contact-text { padding-bottom: 0; }
  .contact-media { margin: 0 auto; max-width: 240px; padding: 0 0 2.5rem; }
  .contact-media img { margin: 0 auto; max-width: 240px; }
}
@media (max-width: 560px) {
  body { font-size: 1.05rem; }
  .grid-4 { grid-template-columns: 1fr; gap: 1.5rem; }
  .tile { display: grid; grid-template-columns: 112px 1fr; gap: 1rem; align-items: start; }
  .tile img { aspect-ratio: 1 / 1; margin: 0; border-radius: 10px; }
  .tile h3 { font-size: 1.02rem; }
  .tile p { font-size: .98rem; line-height: 1.5; }
  .hero-actions .btn { flex: 1 1 100%; text-align: center; }
  .hero h1 { max-width: none; }
  .hero .eyebrow { letter-spacing: .08em; font-size: .78rem; }
  .section-head { margin-bottom: 2.25rem; }
  .contact-text .btn, .agency-cta .btn { display: block; text-align: center; }
  .agency-panel { padding: 1.6rem 1.4rem 1rem; }
  .customer-groups { gap: 2rem; }
  .customer-list { grid-template-columns: repeat(3, 1fr); gap: .5rem; }
  .customer-list li { border-radius: 8px; padding: 9% 5%; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
  .hero-video { display: none; }
}