/*
Theme Name: Duttlong Solutions
Description: Theme doanh nghiệp cho Duttlong — dịch vụ creative & quảng cáo cho shop thương mại điện tử. Thông tin pháp lý điền trong Giao diện → Tuỳ biến → Thông tin doanh nghiệp.
Version: 1.0.0
Requires at least: 6.3
Requires PHP: 7.4
Text Domain: duttlong
*/

:root {
	--bg: #f1f4f2;
	--surface: #ffffff;
	--ink: #16302b;
	--ink-2: #4f625e;
	--line: #cfd8d4;
	--green: #0e7a5f;
	--green-deep: #0a4f3e;
	--marker: #ffd23f;
	--off: #b9442b;

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

	--wrap: 1160px;
	--gutter: clamp(16px, 4vw, 40px);
	--section: clamp(64px, 9vw, 112px);
	--header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--body);
	font-size: 1rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--green-deep); text-underline-offset: 3px; }
a:hover { color: var(--green); }

:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); line-height: 1.12; margin: 0; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.005em; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: 780px; }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; }
.skip-link:focus { left: 8px; }

.admin-reminder { background: var(--marker); color: var(--ink); padding: 8px var(--gutter); font-size: .9rem; text-align: center; }

/* Nút */
.btn {
	display: inline-flex; align-items: center; justify-content: center;
	min-height: 48px; padding: 0 24px;
	background: var(--green-deep); color: #fff;
	border: 2px solid var(--green-deep); border-radius: 999px;
	font: 600 1rem/1 var(--body); text-decoration: none; cursor: pointer;
	transition: background-color .15s, border-color .15s;
}
.btn:hover { background: var(--green); border-color: var(--green); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--small { min-height: 40px; padding: 0 18px; font-size: .95rem; }

/* Header */
.site-header {
	position: sticky; top: 0; z-index: 50;
	background: rgba(241, 244, 242, .94);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--line);
}
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 0; } }

.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand__logo { max-height: 40px; width: auto; }
.brand__mark {
	width: 16px; height: 28px; border-radius: 4px;
	background: var(--green-deep);
	box-shadow: 6px 0 0 -1px var(--marker);
}
.brand__name { font: 800 1.35rem/1 var(--display); letter-spacing: -0.02em; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.site-nav ul a { color: var(--ink); text-decoration: none; font-weight: 500; }
.site-nav ul a:hover { color: var(--green); }

.nav-toggle { display: none; }

@media (max-width: 860px) {
	.nav-toggle {
		display: inline-flex; align-items: center; gap: 10px;
		min-height: 44px; padding: 0 14px;
		background: none; border: 1px solid var(--line); border-radius: 999px;
		color: var(--ink); font: 500 .95rem var(--body); cursor: pointer;
	}
	.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
		display: block; width: 16px; height: 2px; background: currentColor; position: relative;
	}
	.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
	.nav-toggle__bars::before { top: -5px; }
	.nav-toggle__bars::after { top: 5px; }

	.site-nav {
		display: none;
		position: absolute; top: 100%; left: 0; right: 0;
		flex-direction: column; align-items: stretch; gap: 16px;
		padding: 16px var(--gutter) 24px;
		background: var(--bg); border-bottom: 1px solid var(--line);
	}
	.site-nav.is-open { display: flex; }
	.site-nav ul { flex-direction: column; gap: 0; }
	.site-nav ul a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
}

/* Hero */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 80px); align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4.1rem); font-weight: 800; letter-spacing: -0.025em; max-width: 15ch; }
.hero__lede { margin-top: 24px; font-size: 1.15rem; color: var(--ink-2); max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Ba khung 9:16 — điểm nhấn duy nhất của trang */
.reel { margin: 0; }
.reel__frames { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: start; }
.frame {
	position: relative;
	aspect-ratio: 9 / 16;
	border-radius: 18px;
	padding: 14px 12px;
	display: flex; flex-direction: column; justify-content: space-between;
	color: #fff;
	background:
		radial-gradient(120% 70% at 30% 20%, rgba(255,255,255,.14), transparent 60%),
		linear-gradient(170deg, #2a4a43, #16302b 70%);
	box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 18px 40px -18px rgba(22, 48, 43, .55);
	animation: frame-in .7s cubic-bezier(.2,.7,.2,1) both;
}
.frame:nth-child(2) { margin-top: 36px; animation-delay: .12s; }
.frame:nth-child(3) { margin-top: 12px; animation-delay: .24s; }
.frame--off { filter: saturate(.3); opacity: .72; }
.frame--winner { outline: 3px solid var(--marker); outline-offset: 4px; }

.frame__label { font-size: .75rem; font-weight: 600; opacity: .8; }
.frame__caption { font: 700 clamp(.82rem, 1.25vw, 1rem)/1.35 var(--body); text-align: center; }
.frame__caption span {
	background: var(--marker); color: var(--ink);
	padding: 2px 6px; border-radius: 4px;
	-webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.frame__status {
	align-self: flex-start;
	font-size: .75rem; font-weight: 600;
	padding: 4px 10px; border-radius: 999px;
	background: rgba(255,255,255,.16);
}
.frame--winner .frame__status { background: var(--green); }
.frame--off .frame__status { background: var(--off); }

.reel figcaption { margin-top: 28px; font-size: .92rem; color: var(--ink-2); max-width: 44ch; }

@keyframes frame-in {
	from { opacity: 0; transform: translateY(24px) rotate(-1.5deg); }
	to { transform: none; }
}
.frame--off { animation-name: frame-in-off; }
@keyframes frame-in-off {
	from { opacity: 0; transform: translateY(24px); }
	to { opacity: .72; transform: none; }
}
@media (prefers-reduced-motion: reduce) { .frame { animation: none; } }

@media (max-width: 900px) {
	.hero__grid { grid-template-columns: 1fr; }
	.reel { max-width: 460px; }
}

/* Section chung */
.section { padding: var(--section) 0; }
.section--tint { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: end; margin-bottom: clamp(32px, 5vw, 56px); }
.section__head p { color: var(--ink-2); max-width: 44ch; justify-self: end; }
@media (max-width: 720px) {
	.section__head { grid-template-columns: 1fr; }
	.section__head p { justify-self: start; }
}

/* Dịch vụ: danh sách hàng ngang, không chia thẻ */
.service-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.service {
	display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto;
	gap: 16px 40px; align-items: baseline;
	padding: 26px 0; border-bottom: 1px solid var(--line);
}
.service__title { font-size: 1.35rem; }
.service__summary { color: var(--ink-2); max-width: 56ch; }
.service__price { font-weight: 600; white-space: nowrap; text-decoration: none; border-bottom: 2px solid var(--marker); padding-bottom: 2px; color: var(--ink); }
.service__price:hover { color: var(--green-deep); border-color: var(--green); }
@media (max-width: 720px) {
	.service { grid-template-columns: 1fr; gap: 8px; }
	.service__price { justify-self: start; }
}

/* Bảng giá */
.tabs[hidden] { display: none; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.tabs__tab {
	min-height: 44px; padding: 0 18px;
	background: var(--bg); color: var(--ink);
	border: 1px solid var(--line); border-radius: 999px;
	font: 500 .95rem var(--body); cursor: pointer;
}
.tabs__tab:hover { border-color: var(--ink); }
.tabs__tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.price-panel + .price-panel { margin-top: 48px; }
.has-tabs .price-panel + .price-panel { margin-top: 0; }
.price-panel__title { font-size: 1.5rem; margin-bottom: 12px; }
.has-tabs .price-panel__title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.price-list { list-style: none; margin: 0; padding: 0; }
.price-row {
	display: grid; grid-template-columns: minmax(0, 1fr) minmax(11rem, auto);
	gap: 8px 40px; align-items: baseline;
	padding: 22px 0; border-bottom: 1px solid var(--line);
}
.price-row:first-child { border-top: 1px solid var(--line); }
.price-row__name { font-weight: 600; font-size: 1.05rem; }
.price-row__desc { color: var(--ink-2); margin-top: 4px; max-width: 62ch; font-size: .95rem; }
.price-row__cost { text-align: right; }
.price-row__amount { display: block; font: 800 1.45rem/1.2 var(--display); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.price-row__unit { display: block; color: var(--ink-2); font-size: .88rem; max-width: 18rem; margin-left: auto; }
@media (max-width: 640px) {
	.price-row { grid-template-columns: 1fr; }
	.price-row__cost { text-align: left; }
	.price-row__unit { margin-left: 0; }
}

/* Quy trình: thật sự là chuỗi bước nên đánh số */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px; }
.step { counter-increment: step; border-top: 2px solid var(--ink); padding-top: 18px; }
.step::before { content: counter(step); display: block; font: 800 2.4rem/1 var(--display); color: var(--green); margin-bottom: 14px; }
.step__title { margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.terms { margin: clamp(48px, 7vw, 72px) 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; padding: 28px; background: var(--ink); color: #fff; border-radius: 20px; }
.terms dt { font-weight: 600; color: var(--marker); margin-bottom: 6px; }
.terms dd { margin: 0; font-size: .95rem; color: rgba(255,255,255,.85); }
@media (max-width: 860px) { .terms { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .terms { grid-template-columns: 1fr; } }

/* Hỏi đáp */
.faq { margin-top: 32px; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
	cursor: pointer; list-style: none;
	display: flex; justify-content: space-between; gap: 16px;
	padding: 20px 0; font-weight: 600; font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 600 1.4rem/1 var(--display); color: var(--green); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--ink-2); max-width: 64ch; }

/* Liên hệ */
.contact__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 88px); align-items: start; }
.contact__intro > p { margin-top: 18px; color: var(--ink-2); max-width: 44ch; }
.contact__info { margin: 32px 0 0; display: grid; gap: 16px; }
.contact__info dt { font-size: .88rem; color: var(--ink-2); }
.contact__info dd { margin: 2px 0 0; font-weight: 600; font-size: 1.05rem; }
.contact__info a { color: var(--ink); }
@media (max-width: 860px) { .contact__grid { grid-template-columns: 1fr; } }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: clamp(20px, 4vw, 36px); display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }
.form__hp { position: absolute; left: -9999px; }

.field label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; }
.field__optional { font-weight: 400; color: var(--ink-2); }
.field input, .field select, .field textarea {
	width: 100%; min-height: 48px; padding: 10px 14px;
	font: 400 1rem/1.4 var(--body); color: var(--ink);
	background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(14, 122, 95, .2); background: #fff; }
.field--check { display: flex; gap: 10px; align-items: flex-start; }
.field--check input { width: 20px; min-height: 0; height: 20px; margin-top: 3px; flex: none; accent-color: var(--green-deep); }
.field--check label { font-weight: 400; margin: 0; color: var(--ink-2); }
.form .btn { justify-self: start; }

.form-status { padding: 12px 16px; border-radius: 10px; font-weight: 500; }
.form-status.is-ok { background: #dff2ea; color: var(--green-deep); }
.form-status.is-error { background: #fbe4de; color: #7c2a17; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.82); padding: 64px 0 0; font-size: .93rem; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--marker); }
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
.site-footer__name { font: 800 1.3rem/1.2 var(--display); color: #fff; }
.site-footer__en { margin-top: 4px; }
.site-footer__heading { font-weight: 600; color: #fff; margin-bottom: 12px; }
.site-footer__nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer__nav a { text-decoration: none; }
.site-footer__nav a:hover { text-decoration: underline; }

.legal-list { margin: 20px 0 0; display: grid; gap: 6px; }
.legal-list div { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 12px; }
.legal-list dt { color: rgba(255,255,255,.6); }
.legal-list dd { margin: 0; }
@media (max-width: 520px) { .legal-list div { grid-template-columns: 1fr; gap: 0; } }

.bct-link { display: inline-block; margin-top: 20px; padding: 8px 14px; border: 1px solid rgba(255,255,255,.4); border-radius: 8px; text-decoration: none; }

.site-footer__bottom { margin-top: 48px; padding-top: 20px; padding-bottom: 24px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.6); font-size: .85rem; }
@media (max-width: 860px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } .site-footer__company { grid-column: 1 / -1; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }

/* Trang chính sách */
.page-body { padding: clamp(48px, 7vw, 88px) 0 var(--section); }
.page-body__title { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 800; }
.page-body__meta { margin-top: 10px; color: var(--ink-2); font-size: .9rem; }
.post-summary + .post-summary { margin-top: 40px; }

.prose { margin-top: 36px; font-size: 1.04rem; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 1.4rem; font-weight: 600; margin-top: 2em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.is-pending { background: var(--marker); padding: 0 4px; border-radius: 3px; font-style: italic; }