/* =====================================================================
   AMI Design – Homepage stylesheet (v2)
   Brand: Navy #00518B · Orange #FF8522 · Neutrals (white / grey / ink)
   Fonts: Be Vietnam Pro (toàn bộ, không dùng serif)
   ===================================================================== */

:root {
  --navy: #00518B;
  --navy-700: #0B3F6B;
  --navy-800: #082E4F;
  --navy-900: #061F36;
  --ink: #0F172A;
  --ink-2: #1E293B;
  --grey-700: #475569;
  --grey-500: #64748B;
  --grey-300: #CBD5E1;
  --grey-100: #F1F4F8;
  --cream: #F7F8FA;
  --white: #FFFFFF;
  --orange: #FF8522;
  --orange-600: #E8711A;
  --orange-100: #FFF1E6;
  --line: rgba(15, 23, 42, .1);
  --line-light: rgba(255, 255, 255, .14);

  --font-display: "Be Vietnam Pro", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Be Vietnam Pro", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius: 4px;
  --shadow: 0 20px 50px -20px rgba(6, 31, 54, .35);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.65;
  color: var(--ink); background: var(--white); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: -.015em; }
p { margin: 0; }

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: clamp(48px, 6vw, 80px); }
.section--tight { padding-block: clamp(36px, 4.5vw, 56px); }
.section--dark { background: var(--navy-900); color: var(--white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--orange); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.h-lg { font-size: clamp(28px, 3.4vw, 42px); }
.h-sm { font-size: clamp(20px, 1.8vw, 24px); }
.lead { font-size: clamp(16px, 1.2vw, 18px); color: var(--grey-700); max-width: 60ch; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: clamp(28px, 4vw, 44px); }
.section-head > div { max-width: 760px; }
@media (max-width: 767px) { .section-head { flex-direction: column; align-items: flex-start; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; min-height: 54px; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  border-radius: var(--radius); border: 1.5px solid transparent; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--orange); color: var(--white); box-shadow: 0 12px 28px -10px rgba(255, 133, 34, .6); }
.btn--primary:hover { background: var(--orange-600); }
.btn--outline { border-color: rgba(255, 255, 255, .55); color: var(--white); }
.btn--outline:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn--ghost { border-color: rgba(255, 255, 255, .7); color: var(--white); background: transparent; }
.btn--ghost:hover { background: var(--orange); border-color: var(--orange); color: var(--white); box-shadow: 0 12px 28px -10px rgba(255, 133, 34, .6); }
.btn--outline-dark { border-color: var(--ink); color: var(--ink); }
.btn--outline-dark:hover { background: var(--ink); color: var(--white); }
.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-700); }
.btn--sm { padding: 12px 20px; min-height: 44px; font-size: 12px; }
.btn svg { width: 16px; height: 16px; }
.link-arrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--navy); white-space: nowrap; }
.link-arrow svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- Header (tối giản, trong suốt trên hero) ---------- */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 90; transition: background .35s, box-shadow .35s, transform .35s var(--ease); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding-inline: var(--gutter); }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 48px; width: auto; }
.brand__dark { display: none; }
.header.is-solid { background: rgba(255, 255, 255, .96); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 10px 30px -18px rgba(6, 31, 54, .35); }
.header.is-solid .brand__light { display: none; }
.header.is-solid .brand__dark { display: block; }
.header.is-hidden { transform: translateY(-100%); }
.header__right { display: flex; align-items: center; gap: 6px; color: var(--white); }
.header.is-solid .header__right { color: var(--ink); }
.header__search { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; transition: background .25s; }
.header__search svg { width: 22px; height: 22px; }
.header__search:hover { background: rgba(255, 255, 255, .15); }
.header.is-solid .header__search:hover { background: var(--grey-100); }
.header__menu { display: inline-flex; align-items: center; gap: 12px; padding: 10px 6px 10px 14px; border-radius: 100px; transition: background .25s; }
.header__menu:hover { background: rgba(255, 255, 255, .15); }
.header.is-solid .header__menu:hover { background: var(--grey-100); }
.header__menu-label { font-size: 12px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; display: grid; }
.header__menu-label span { grid-area: 1 / 1; transition: opacity .25s; }
.header__menu-label span:last-child { opacity: 0; }
body.menu-open .header__menu-label span:first-child { opacity: 0; }
body.menu-open .header__menu-label span:last-child { opacity: 1; }
body.menu-open .header { background: none; box-shadow: none; z-index: 125; transform: none; }
body.menu-open .header__right { color: var(--ink); }
body.menu-open .brand__light { display: none; }
body.menu-open .brand__dark { display: block; }
body.menu-open .header__menu-icon i:nth-child(1) { transform: rotate(45deg); }
body.menu-open .header__menu-icon i:nth-child(2) { opacity: 0; width: 20px; }
body.menu-open .header__menu-icon i:nth-child(3) { transform: rotate(-45deg); }
.header__menu-icon { position: relative; width: 34px; height: 34px; }
.header__menu-icon i { position: absolute; top: 16px; right: 7px; display: block; width: 20px; height: 2px; background: currentColor; transform-origin: center; transition: transform .3s, width .3s, opacity .3s; }
.header__menu-icon i:nth-child(1) { transform: translateY(-6px); }
.header__menu-icon i:nth-child(2) { width: 14px; }
.header__menu-icon i:nth-child(3) { transform: translateY(6px); }
.header__menu:hover .header__menu-icon i:nth-child(2) { width: 20px; }

/* Fullscreen overlay menu (kiểu ICAD): nền trắng 94% hơi trong, mục menu trượt lên lần lượt */
.menu { position: fixed; inset: 0; z-index: 110; display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.menu::before { content: ""; position: absolute; inset: 0; background: rgba(255, 255, 255, .94); }
.menu.is-open { opacity: 1; visibility: visible; }
.menu__list { position: relative; text-align: center; padding: 0 var(--gutter); }
.menu__list li { opacity: 0; transform: translate3d(0, 100px, 0); transition: transform .8s var(--ease), opacity .8s var(--ease); }
.menu.is-open .menu__list li { opacity: 1; transform: none; }
.menu.is-open .menu__list li:nth-child(1) { transition-delay: .25s; }
.menu.is-open .menu__list li:nth-child(2) { transition-delay: .33s; }
.menu.is-open .menu__list li:nth-child(3) { transition-delay: .41s; }
.menu.is-open .menu__list li:nth-child(4) { transition-delay: .49s; }
.menu.is-open .menu__list li:nth-child(5) { transition-delay: .57s; }
.menu.is-open .menu__list li:nth-child(6) { transition-delay: .65s; }
.menu.is-open .menu__list li:nth-child(7) { transition-delay: .73s; }
.menu__list a { display: inline-block; padding: 0 12px; margin-bottom: 10px; font-size: clamp(20px, 1.9vw, 26px); line-height: 45px; font-weight: 500; letter-spacing: .02em; text-transform: uppercase; color: #333; transition: color .25s; }
.menu__list a:hover, .menu__list li.is-active a { color: var(--orange); }
.menu__foot { position: absolute; left: 0; right: 0; bottom: 40px; display: flex; justify-content: center; opacity: 0; transition: opacity .5s .8s; }
.menu.is-open .menu__foot { opacity: 1; }
.menu__foot .lang { border-color: var(--ink); }

/* Search popup (kiểu ICAD): nền tối, thanh tìm kiếm trượt xuống từ trên */
.search { position: fixed; inset: 0; z-index: 115; opacity: 0; pointer-events: none; transition: opacity .3s; }
.search.is-open { opacity: 1; pointer-events: auto; }
.search__scrim { position: absolute; inset: 0; background: rgba(6, 31, 54, .6); }
.search__inner { position: relative; z-index: 2; background: rgba(255, 255, 255, .97); padding: 28px var(--gutter); box-shadow: 0 20px 50px -20px rgba(6, 31, 54, .5); transform: translateY(-120%); transition: transform .3s; }
.search.is-open .search__inner { transform: none; transition-delay: .3s; }
.search__inner form { display: flex; justify-content: center; gap: 10px; }
.search__inner input { width: min(600px, 100%); height: 52px; padding: 0 18px; background: var(--grey-100); border: 1.5px solid var(--grey-300); border-radius: var(--radius); color: var(--ink); font: inherit; font-size: 16px; outline: none; transition: border-color .2s, box-shadow .2s; }
.search__inner input::placeholder { color: var(--grey-500); font-size: 16px; }
.search__inner input:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(0, 81, 139, .15); background: var(--white); }
.search__inner button[type="submit"] { height: 52px; width: 200px; flex: 0 0 auto; background: var(--orange); color: var(--white); font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; border-radius: var(--radius); transition: background .25s; }
.search__inner button[type="submit"]:hover { background: var(--orange-600); }
.search__close { position: absolute; top: 50%; right: 28px; transform: translateY(-50%); color: var(--ink); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; }
.search__close:hover { background: var(--grey-100); }
.search__close svg { width: 24px; height: 24px; }
@media (max-width: 767px) {
  .search__inner form { flex-wrap: wrap; }
  .search__inner button[type="submit"] { width: 100%; }
  .search__close { top: 12px; right: 12px; transform: none; }
}

.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 100px; overflow: hidden; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.lang button { padding: 8px 12px; color: var(--grey-500); }
.lang button.is-on { background: var(--ink); color: var(--white); }
@media (max-width: 767px) {
  :root { --header-h: 68px; }
  .brand img { height: 40px; }
  .header__menu-label { display: none; }
}

/* ---------- Hero (1 màn hình) ---------- */
.hero {
  position: relative; height: 100svh; min-height: 600px;
  display: flex; flex-direction: column; background: var(--navy-900); color: var(--white); overflow: hidden; isolation: isolate;
}
.hero__slides { position: absolute; inset: 0; z-index: -1; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s var(--ease); }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 7s linear; }
.hero__slide.is-active img { transform: scale(1); }
.hero__slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(6, 31, 54, .88) 0%, rgba(6, 31, 54, .6) 45%, rgba(6, 31, 54, .2) 100%),
              linear-gradient(180deg, rgba(6, 31, 54, 0) 50%, rgba(6, 31, 54, .7) 100%);
}
.hero__body { position: relative; flex: 1; display: flex; align-items: center; padding-top: var(--header-h); padding-bottom: 32px; }
.hero__content { max-width: 900px; }
.hero__brand { display: flex; align-items: center; gap: 16px; font-size: clamp(20px, 2.2vw, 30px); font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--white); }
.hero__brand::before { content: ""; width: 44px; height: 2px; background: var(--orange); flex-shrink: 0; }
.hero__title { margin-top: 18px; font-size: clamp(30px, 4vw, 56px); line-height: 1.15; font-weight: 700; max-width: 20ch; color: rgba(255, 255, 255, .95); }
.hero__content .btn { margin-top: 36px; }

.hero__foot { position: relative; border-top: 1px solid var(--line-light); }
.hero__foot .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.hero__dots { display: flex; gap: 8px; }
.hero__dots button { width: 44px; height: 3px; background: rgba(255, 255, 255, .3); border-radius: 2px; overflow: hidden; position: relative; }
.hero__dots button i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--orange); }
.hero__dots button.is-active i { animation: grow 6s linear forwards; }
@keyframes grow { to { width: 100%; } }
.hero__scroll { display: inline-flex; align-items: center; gap: 12px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .7); }
.hero__scroll i { width: 1px; height: 36px; background: rgba(255, 255, 255, .4); position: relative; overflow: hidden; }
.hero__scroll i::after { content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%; background: var(--orange); animation: drop 1.8s ease-in-out infinite; }
@keyframes drop { to { top: 100%; } }
.hero__nav, .showcase__arrows { display: flex; gap: 8px; }
.hero__nav button, .slider-arrow {
  width: 46px; height: 46px; border: 1px solid var(--line-light); border-radius: 50%;
  display: grid; place-items: center; color: var(--white); transition: background .25s, border-color .25s, color .25s;
}
.hero__nav button:hover, .slider-arrow:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.hero__nav svg, .slider-arrow svg { width: 18px; height: 18px; }
@media (max-width: 767px) {
  .hero { min-height: 520px; }
  .hero__scroll { display: none; }
  .hero__nav button { width: 40px; height: 40px; }
}

/* ---------- Showcase: dự án tiêu biểu toàn màn hình + tab lĩnh vực ---------- */
.showcase { position: relative; background: var(--navy-900); color: var(--white); overflow: hidden; }
.showcase__track { position: relative; height: calc(100svh - var(--header-h)); min-height: 620px; max-height: 900px; }
.showcase__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1s var(--ease), visibility 1s; }
.showcase__slide.is-active { opacity: 1; visibility: visible; }
.showcase__slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 8s linear; }
.showcase__slide.is-active img { transform: scale(1); }
.showcase__slide::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(6, 31, 54, .35) 0%, rgba(6, 31, 54, .15) 40%, rgba(6, 31, 54, .92) 100%); }
.showcase__content { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding-bottom: clamp(28px, 4vw, 48px); }
.showcase__content .container { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.showcase__index { font-family: var(--font-body); font-size: 13px; font-weight: 600; letter-spacing: .2em; color: rgba(255, 255, 255, .55); }
.showcase__tag { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--orange); margin-top: 10px; font-weight: 600; }
.showcase__title { font-family: var(--font-body); font-size: clamp(26px, 2.8vw, 40px); font-weight: 700; letter-spacing: -.01em; line-height: 1.2; margin-top: 10px; }
.showcase__meta { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 32px; padding-top: 22px; border-top: 1px solid var(--line-light); }
.showcase__meta small { display: block; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .55); margin-bottom: 4px; }
.showcase__meta strong { font-size: 15px; font-weight: 600; }
.showcase__meta .btn { grid-column: 1 / -1; justify-self: start; margin-top: 4px; }
.showcase__controls { position: absolute; top: clamp(20px, 3.5vw, 40px); right: 0; left: 0; z-index: 3; }
.showcase__controls .container { display: flex; justify-content: space-between; align-items: center; }
.showcase__heading { font-family: var(--font-body); font-size: clamp(16px, 1.4vw, 19px); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 14px; }
.showcase__heading::before { content: ""; width: 34px; height: 3px; background: var(--orange); }

.showcase__fields { position: relative; z-index: 3; border-top: 1px solid var(--line-light); background: rgba(6, 31, 54, .7); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.field-tabs { display: flex; overflow-x: auto; scrollbar-width: none; }
.field-tabs::-webkit-scrollbar { display: none; }
.field-tab {
  flex: 1 0 auto; display: flex; flex-direction: column; gap: 2px; padding: 16px 22px; min-width: 170px; text-align: left; position: relative;
  border-right: 1px solid var(--line-light); color: rgba(255, 255, 255, .7); transition: color .25s, background .25s;
}
.field-tab:first-child { border-left: 1px solid var(--line-light); }
.field-tab small { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; opacity: .65; }
.field-tab strong { font-size: 15px; font-weight: 600; white-space: nowrap; }
.field-tab::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.field-tab:hover { color: var(--white); background: rgba(255, 255, 255, .05); }
.field-tab.is-active { color: var(--white); background: rgba(255, 255, 255, .07); }
.field-tab.is-active::after { transform: scaleX(1); }
@media (max-width: 991px) {
  .showcase__content .container { grid-template-columns: 1fr; gap: 20px; }
  .showcase__track { height: auto; min-height: 680px; }
  .showcase__meta strong { font-size: 15px; }
}
@media (max-width: 575px) { .field-tab { min-width: 150px; padding: 12px 16px; } }

/* ---------- Đối tác: dải logo liền nhau ---------- */
.partners { border-bottom: 1px solid var(--line); }
.partners__head { display: flex; align-items: center; gap: 24px; justify-content: space-between; margin-bottom: 28px; }
.partners__head p { font-size: 13px; color: var(--grey-500); }
.partners__head .eyebrow { font-weight: 700; }
.marquee { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); cursor: grab; }
.marquee:active { cursor: grabbing; }
.marquee__track { display: flex; align-items: center; gap: clamp(44px, 5vw, 80px); width: max-content; padding-block: 8px; animation: marquee 50s linear infinite; }
.marquee:hover .marquee__track, .marquee.is-paused .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee .logo { height: 48px; width: auto; max-width: 170px; object-fit: contain; flex-shrink: 0; user-select: none; -webkit-user-drag: none; transition: transform .3s var(--ease); }
.marquee .logo:hover { transform: scale(1.06); }

/* ---------- Press ---------- */
.press { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.press-card { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s; }
.press-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.press-card__media { aspect-ratio: 16 / 10; overflow: hidden; }
.press-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.press-card:hover .press-card__media img { transform: scale(1.05); }
.press-card__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.press-logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 15px; }
.press-logo i { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }
.press-card__body h3 { margin-top: 12px; font-size: 19px; font-family: var(--font-body); font-weight: 700; line-height: 1.35; }
.press-card__body p { margin-top: 10px; font-size: 14px; color: var(--grey-700); }
.press-card__body .link-arrow { margin-top: auto; padding-top: 18px; }
@media (max-width: 991px) { .press { grid-template-columns: 1fr 1fr; } }
@media (max-width: 575px) { .press { grid-template-columns: 1fr; } }

/* ---------- Lead CTA ---------- */
.closing { position: relative; color: var(--white); background: var(--navy-900); overflow: hidden; }
.closing__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.closing::before { content: ""; position: absolute; inset: 0; background: radial-gradient(1200px 700px at 20% 30%, rgba(0, 81, 139, .65), transparent 60%), linear-gradient(180deg, rgba(6, 31, 54, .75) 0%, rgba(6, 31, 54, .92) 70%, rgba(6, 31, 54, .98) 100%); }
.closing > :not(.closing__bg) { position: relative; z-index: 1; }
.lead-cta { position: relative; color: var(--white); }
.lead-cta .container { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.lead-cta__text h2 { font-size: clamp(30px, 3.6vw, 48px); }
.lead-cta__text h2 em { font-style: normal; color: var(--orange); }
.lead-cta__text .lead { margin-top: 20px; color: rgba(255, 255, 255, .78); }
.lead-cta__points { display: grid; gap: 10px; margin-top: 24px; }
.lead-cta__points li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: rgba(255, 255, 255, .85); }
.lead-cta__points svg { width: 20px; height: 20px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.lead-cta__hotline { margin-top: 28px; display: inline-flex; align-items: center; gap: 14px; }
.lead-cta__hotline .ico { width: 52px; height: 52px; border-radius: 50%; background: var(--orange); display: grid; place-items: center; }
.lead-cta__hotline .ico svg { width: 22px; height: 22px; }
.lead-cta__hotline small { display: block; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.lead-cta__hotline strong { font-size: 22px; font-weight: 700; }

.form-card { background: var(--white); color: var(--ink); border-radius: 8px; padding: clamp(24px, 3vw, 40px); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .5); }
.form-card h3 { font-size: 24px; }
.form-card > p { margin-top: 6px; color: var(--grey-500); font-size: 14px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--grey-700); }
.field label b { color: var(--orange); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 15px; padding: 13px 14px; border: 1px solid var(--grey-300); border-radius: var(--radius);
  background: var(--white); color: var(--ink); width: 100%; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(0, 81, 139, .15); }
.field.is-error input, .field.is-error select { border-color: #DC2626; }
.field .err { font-size: 12px; color: #DC2626; display: none; }
.field.is-error .err { display: block; }
.form .btn { width: 100%; }
.form__note { grid-column: 1 / -1; font-size: 12px; color: var(--grey-500); }
.form__success { display: none; padding: 28px; text-align: center; border: 1px dashed var(--navy); border-radius: 6px; margin-top: 22px; }
.form__success svg { width: 48px; height: 48px; color: #16A34A; margin: 0 auto 12px; }
.form-card.is-done .form, .form-card.is-done > p { display: none; }
.form-card.is-done .form__success { display: block; }
@media (max-width: 991px) { .lead-cta .container { grid-template-columns: 1fr; } }
@media (max-width: 575px) { .form { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { color: rgba(255, 255, 255, .78); font-size: 14px; }
.footer__top { padding-block: clamp(40px, 5vw, 60px); display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr; gap: 40px; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.footer h4 { font-family: var(--font-body); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--white); margin-bottom: 18px; }
.footer__brand .brand img { height: 56px; }
.footer__brand p { margin-top: 16px; max-width: 42ch; }
.footer li + li { margin-top: 10px; }
.footer a:hover { color: var(--white); }
.footer .contact li { display: flex; gap: 12px; align-items: flex-start; }
.footer .contact svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; margin-top: 3px; }
.newsletter { display: flex; border: 1px solid var(--line-light); border-radius: var(--radius); overflow: hidden; margin-top: 8px; }
.newsletter input { flex: 1; min-width: 0; padding: 14px; background: transparent; border: 0; color: var(--white); font: inherit; }
.newsletter input:focus { outline: none; }
.newsletter button { padding: 0 18px; background: var(--orange); color: var(--white); font-weight: 700; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.social { display: flex; gap: 10px; margin-top: 22px; }
.social a { width: 40px; height: 40px; border: 1px solid var(--line-light); border-radius: 50%; display: grid; place-items: center; transition: background .25s, border-color .25s; }
.social a:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }
.social svg { width: 18px; height: 18px; }
.footer__bottom { padding-block: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; font-size: 13px; color: rgba(255, 255, 255, .5); }
.footer__bottom ul { display: flex; flex-wrap: wrap; gap: 20px; }
.footer__bottom li + li { margin-top: 0; }
.dmca { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--line-light); border-radius: 3px; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
@media (max-width: 991px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 575px) { .footer__top { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Floating widgets ---------- */
.float { position: fixed; right: 20px; bottom: 24px; z-index: 80; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.float__btn { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: var(--white); box-shadow: 0 14px 30px -10px rgba(0, 0, 0, .45); transition: transform .25s var(--ease); position: relative; }
.float__btn:hover { transform: translateY(-3px) scale(1.04); }
.float__btn svg { width: 26px; height: 26px; }
.float__btn--zalo { background: var(--white); overflow: hidden; padding: 0; }
.float__btn--zalo img { width: 100%; height: 100%; object-fit: cover; }
.float__btn--phone { background: var(--orange); }
.float__btn--phone::before { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--orange); opacity: .7; animation: ring 1.8s ease-out infinite; }
@keyframes ring { 0% { transform: scale(.8); opacity: .8; } 100% { transform: scale(1.5); opacity: 0; } }
.float__quote { display: inline-flex; align-items: center; gap: 10px; background: var(--navy); color: var(--white); padding: 14px 20px; border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; box-shadow: 0 14px 30px -10px rgba(0, 0, 0, .45); transition: transform .25s var(--ease), background .25s; }
.float__quote:hover { background: var(--navy-700); transform: translateY(-3px); }
.float__quote svg { width: 18px; height: 18px; }
.mobile-bar { display: none; }
@media (max-width: 767px) {
  .float { bottom: 76px; right: 14px; }
  .float__quote { display: none; }
  .mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 85; display: grid; grid-template-columns: 1fr 1fr; background: var(--white); border-top: 1px solid var(--line); padding: 10px 12px; gap: 10px; padding-bottom: calc(10px + env(safe-area-inset-bottom)); }
  .mobile-bar .btn { min-height: 48px; padding: 12px; font-size: 12px; }
  body { padding-bottom: 70px; }
}

/* ---------- Popup form ---------- */
.modal { position: fixed; inset: 0; z-index: 130; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.is-open { display: flex; }
.modal__scrim { position: absolute; inset: 0; background: rgba(6, 31, 54, .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal__panel { position: relative; width: min(560px, 100%); max-height: calc(100vh - 40px); overflow-y: auto; background: var(--white); border-radius: 14px; box-shadow: 0 50px 100px -30px rgba(0, 0, 0, .6); animation: pop .35s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.modal__head { position: relative; padding: 34px 36px 28px; background: linear-gradient(135deg, var(--navy-800), var(--navy)); color: var(--white); overflow: hidden; }
.modal__head::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: rgba(255, 133, 34, .18); }
.modal__head > * { position: relative; z-index: 1; }
.modal__logo { height: 40px; width: auto; background: var(--white); border-radius: 8px; padding: 4px; margin-bottom: 16px; }
.modal__head .eyebrow { margin-bottom: 10px; }
.modal__head h3 { font-size: clamp(24px, 2.4vw, 30px); }
.modal__head p { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .78); max-width: 42ch; }
.modal__body { padding: 28px 36px 32px; }
.modal__close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .15); color: var(--white); display: grid; place-items: center; z-index: 2; transition: background .25s; }
.modal__close:hover { background: rgba(255, 255, 255, .3); }
.modal__close svg { width: 18px; height: 18px; }
.modal .form-card { padding: 0; box-shadow: none; border-radius: 0; }
.modal .form { margin-top: 0; }
.modal__trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-top: 4px; font-size: 12px; color: var(--grey-500); }
.modal__trust li { display: inline-flex; align-items: center; gap: 6px; }
.modal__trust svg { width: 15px; height: 15px; color: var(--navy); }
@media (max-width: 575px) { .modal { padding: 12px; } .modal__head { padding: 28px 22px 22px; } .modal__body { padding: 22px; } }

/* ---------- Drag hint for sliders ---------- */
.hero, .showcase { cursor: grab; touch-action: pan-y; }
.hero.is-dragging, .showcase.is-dragging { cursor: grabbing; }
.hero.is-dragging .hero__slide.is-active img, .showcase.is-dragging .showcase__slide.is-active img { transition: none; transform: translateX(calc(var(--drag, 0) * 24px)) scale(1.04); }
.hero.is-dragging .hero__content, .showcase.is-dragging .showcase__content { user-select: none; }
.hero__body, .showcase__content { -webkit-user-drag: none; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 20px); background: var(--ink); color: var(--white); padding: 14px 20px; border-radius: 6px; font-size: 14px; opacity: 0; pointer-events: none; transition: all .35s var(--ease); z-index: 140; }
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }