/* ======================================== */
/* ROOT VARIABLES */
/* ======================================== */

:root {
	--bg-dark: #0b1f2a;
	--bg-light: #ffffff;
	--bg-soft: #f5f7f9;

	--primary: #1aa6a0;
	--accent: #5bcf9b;

	--text-dark: #0f172a;
	--text-muted: #475569;
	--text-light: #ffffff;

	--border: rgba(15, 23, 42, 0.08);

	--container-width: 1120px;
}

/* ======================================== */
/* RESET */
/* ======================================== */

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: "Inter", sans-serif;
	background: var(--bg-light);
	color: var(--text-dark);
	line-height: 1.6;
}

/* ======================================== */
/* LAYOUT */
/* ======================================== */

.container {
	width: min(90%, var(--container-width));
	margin: 0 auto;
}

/* ======================================== */
/* ACCESSIBILITY */
/* ======================================== */

.skip-link {
	position: absolute;
	top: -1000px;
	left: 1rem;

	background: #000;
	color: #fff;

	padding: 0.6rem 1rem;

	z-index: 1000;
}

.skip-link:focus {
	top: 1rem;
}

/* ======================================== */
/* HEADER */
/* ======================================== */

.site-header {
	position: fixed;
	top: 0;
	width: 100%;

	z-index: 50;

	background: rgba(255, 255, 255, 0.96);

	border-bottom: 1px solid var(--border);

	backdrop-filter: blur(10px);
}

.header-inner {
	min-height: 72px;

	display: flex;
	align-items: center;
	justify-content: space-between;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.65rem;

	text-decoration: none;

	color: var(--text-dark);

	font-weight: 700;
	letter-spacing: -0.02em;
}

.brand-logo {
	width: 44px;
	height: 44px;

	object-fit: contain;
}

.site-menu {
	display: flex;
	align-items: center;
	gap: 1.6rem;
}

.site-menu a {
	text-decoration: none;

	color: var(--text-dark);

	font-size: 0.95rem;
	font-weight: 600;

	transition: color 0.3s ease;
}

.site-menu a:hover {
	color: var(--primary);
}

.language-link {
	color: var(--primary) !important;
}

.menu-toggle {
	display: none;
}

/* ======================================== */
/* HERO */
/* ======================================== */

.hero {
	min-height: 92vh;

	display: flex;
	align-items: center;

	padding: 9rem 0 6rem;

	color: var(--text-light);

	background:
		linear-gradient(
			90deg,
			rgba(11, 31, 42, 0.94),
			rgba(11, 31, 42, 0.78)
		),
		url("../assets/hero/hero.webp")
		center / cover
		no-repeat;
}

.hero-content {
	max-width: 780px;
}

.eyebrow {
	margin-bottom: 1.25rem;

	color: var(--accent);

	font-size: 0.78rem;
	font-weight: 700;

	text-transform: uppercase;

	letter-spacing: 0.12em;
}

.hero h1 {
	max-width: 920px;

	margin-bottom: 1.5rem;

	font-size: clamp(2.5rem, 6vw, 5rem);

	line-height: 1.03;
	letter-spacing: -0.06em;
}

.hero-subtitle {
	max-width: 700px;

	margin-bottom: 2.4rem;

	font-size: clamp(1.05rem, 2vw, 1.25rem);

	color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
	display: flex;
	gap: 1rem;

	flex-wrap: wrap;
}

/* ======================================== */
/* BUTTONS */
/* ======================================== */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;

	min-height: 48px;

	padding: 0.85rem 1.35rem;

	border-radius: 999px;

	text-decoration: none;

	font-weight: 700;

	transition: all 0.3s ease;
}

.btn-primary {
	background: #127c78;
	color: #ffffff;
}

.section-eyebrow,
.step-number {
	color: #127c78;
}

.btn-primary:hover {
	background: #168f8a;
}

.btn-secondary {
	color: #ffffff;

	border: 1px solid rgba(255, 255, 255, 0.55);
}

.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.1);
}

/* ======================================== */
/* CREDIBILITY STRIP */
/* ======================================== */

.credibility-strip {
	padding: 3rem 0;

	background: #ffffff;

	border-bottom: 1px solid var(--border);
}

.credibility-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);

	gap: 2rem;
}

.credibility-item {
	text-align: center;
}

.credibility-item strong {
	display: block;

	margin-bottom: 0.35rem;

	font-size: 1.4rem;

	color: var(--text-dark);
}

.credibility-item span {
	font-size: 0.95rem;

	color: var(--text-muted);
}

/* ======================================== */
/* SHARED SECTION STYLES */
/* ======================================== */

.section-heading {
	max-width: 760px;

	margin-bottom: 3.5rem;
}

.section-eyebrow {
	margin-bottom: 0.8rem;

	color: var(--primary);

	font-size: 0.78rem;
	font-weight: 700;

	text-transform: uppercase;

	letter-spacing: 0.12em;
}

.section-heading h2 {
	margin-bottom: 1rem;

	font-size: clamp(2rem, 4vw, 3rem);

	line-height: 1.1;
	letter-spacing: -0.04em;

	color: var(--text-dark);
}

.section-heading p {
	font-size: 1.05rem;

	color: var(--text-muted);
}

/* ======================================== */
/* PROBLEMS WE HELP SOLVE */
/* ======================================== */

.problems-section {
	padding: 6rem 0;

	background: var(--bg-soft);
}

.problems-grid {
	display: grid;
	grid-template-columns: repeat(6, 1fr);

	gap: 1.4rem;
}

.problem-card {
	grid-column: span 3;

	padding: 2rem;

	background: #ffffff;

	border: 1px solid var(--border);
	border-radius: 18px;
}

.problem-card-wide {
	grid-column: 2 / span 4;
}

.problem-card h3 {
	margin-bottom: 0.75rem;

	font-size: 1.15rem;

	color: var(--text-dark);
}

.problem-card p {
	color: var(--text-muted);

	font-size: 0.98rem;
}

/* ======================================== */
/* WHAT WE DO */
/* ======================================== */

.what-we-do-section {
	padding: 6rem 0;

	background: #ffffff;
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);

	gap: 1.5rem;
}

.service-card {
	padding: 2.2rem;

	background: #ffffff;

	border: 1px solid var(--border);
	border-radius: 22px;

	transition:
		transform 0.3s ease,
		box-shadow 0.3s ease,
		border-color 0.3s ease;
}

.service-card:hover {
	transform: translateY(-4px);

	border-color: rgba(26, 166, 160, 0.35);

	box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.service-icon {
	width: 52px;
	height: 52px;

	margin-bottom: 1.4rem;

	object-fit: contain;
}

.service-card h3 {
	margin-bottom: 0.9rem;

	font-size: 1.3rem;

	color: var(--text-dark);
}

.service-card p {
	margin-bottom: 1.4rem;

	color: var(--text-muted);

	font-size: 0.98rem;
}

.service-card ul {
	display: grid;
	gap: 0.45rem;

	padding-left: 1.1rem;

	color: var(--text-muted);

	font-size: 0.94rem;
}

.service-card li::marker {
	color: var(--primary);
}

/* ======================================== */
/* ACCESSIBILITY BY DESIGN */
/* ======================================== */

.accessibility-section {
	padding: 6rem 0;

	background: var(--bg-soft);
}

.accessibility-content {
	max-width: 780px;

	text-align: center;
}

.accessibility-icon {
	width: 72px;
	height: 72px;

	margin-bottom: 1.5rem;

	object-fit: contain;
}

.accessibility-content h2 {
	margin-bottom: 1.25rem;

	font-size: clamp(2rem, 4vw, 3rem);

	line-height: 1.1;
	letter-spacing: -0.04em;

	color: var(--text-dark);
}

.accessibility-content p:not(.section-eyebrow) {
	max-width: 680px;

	margin: 0 auto 1rem;

	font-size: 1.05rem;

	color: var(--text-muted);
}

/* ======================================== */
/* FEATURED CASE */
/* ======================================== */

.case-section {
	padding: 6rem 0;

	background: #ffffff;
}

.case-grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr;

	align-items: center;

	gap: 3rem;
}

.case-image img {
	width: 100%;

	display: block;

	border-radius: 24px;

	border: 1px solid var(--border);

	box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.case-content p {
	margin-bottom: 1.25rem;

	color: var(--text-muted);
}

.case-services {
	margin: 2rem 0;

	padding-left: 1.2rem;

	display: grid;
	gap: 0.5rem;
}

.case-services li::marker {
	color: var(--primary);
}

/* ======================================== */
/* HOW WE WORK */
/* ======================================== */

.process-section {
	padding: 5 rem 0;

	background: var(--bg-soft);
}

.process-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);

	gap: 1.5rem;
}

.process-step {
	padding: 2rem;

	background: #ffffff;

	border-radius: 20px;

	border: 1px solid var(--border);
}

.step-number {
	margin-bottom: 1rem;

	color: var(--primary);

	font-size: 0.9rem;
	font-weight: 700;

	letter-spacing: 0.1em;
}

.process-step h3 {
	margin-bottom: 0.75rem;

	font-size: 1.25rem;
}

.process-step p {
	color: var(--text-muted);
}

/* ======================================== */
/* ABOUT BAMBU */
/* ======================================== */

.about-bambu-section {
	padding: 6rem 0;

	background: #ffffff;
}

.about-bambu-content {
	max-width: 820px;
}

.about-bambu-content p {
	margin-bottom: 1rem;

	color: var(--text-muted);

	font-size: 1.08rem;
}

/* ======================================== */
/* MEET THE FOUNDER */
/* ======================================== */

.founder-section {
	padding: 6rem 0;

	background: var(--bg-soft);
}

.founder-content {
	max-width: 820px;
}

.founder-content p {
	margin-bottom: 1rem;

	color: var(--text-muted);

	font-size: 1.08rem;
}

.founder-content .btn {
	margin-top: 1.2rem;
}

/* ======================================== */
/* LET'S TALK */
/* ======================================== */

.talk-section {
	padding: 6rem 0;

	background: #ffffff;
}

.talk-section .section-heading {
	margin-bottom: 2rem;
}

.talk-actions {
	display: flex;
	gap: 1rem;

	flex-wrap: wrap;

	margin-bottom: 1.8rem;
}

.talk-location {
	color: var(--text-muted);

	font-size: 0.95rem;
}

/* ======================================== */
/* FOOTER */
/* ======================================== */

.site-footer {
	padding: 2.5rem 0;

	background: var(--bg-dark);

	color: var(--text-light);
}

.footer-content {
	display: flex;
	align-items: center;
	justify-content: space-between;

	gap: 2rem;
}

.footer-content strong {
	display: block;

	margin-bottom: 0.35rem;

	font-size: 1.05rem;
}

.footer-content p {
	color: rgba(255, 255, 255, 0.7);

	font-size: 0.95rem;
}

.founder-title {
	font-size: clamp(1.8rem, 3.2vw, 2.6rem);
}