/* =========================================================
   Ziden Technical Solutions — Design tokens & base
   ========================================================= */
:root {
	--color-navy: #003F72;
	--color-navy-dark: #002d52;
	--color-steel: #3C6D90;
	--color-red: #C63D5F;
	--color-red-dark: #a83350;
	--color-charcoal: #1E1E1E;
	--color-grey: #838280;
	--color-light-grey: #F5F5F5;
	--color-white: #FFFFFF;

	--font-heading: 'Bebas Neue', sans-serif;
	--font-subheading: 'Oswald', sans-serif;
	--font-body: 'Open Sans', sans-serif;

	--container-width: 1200px;
	--radius: 10px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
	margin: 0;
	font-family: var(--font-body);
	color: var(--color-charcoal);
	background: var(--color-white);
	line-height: 1.6;
	font-size: 16px;
}

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

a { color: var(--color-navy); text-decoration: none; }

h1, h2, h3, h4 {
	font-family: var(--font-heading);
	letter-spacing: 0.5px;
	line-height: 1.1;
	margin: 0 0 0.5em;
	color: var(--color-charcoal);
	text-transform: uppercase;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }

.ziden-preserve-case {
	text-transform: none;
	font-family: var(--font-subheading);
	font-weight: 600;
}
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h3 { font-size: 1.3rem; letter-spacing: 0.3px; }

p { margin: 0 0 1em; }

.container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 24px;
}

.screen-reader-text {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-subheading);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	font-size: 0.95rem;
	padding: 14px 30px;
	border-radius: 999px;
	transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
	border: 2px solid transparent;
	cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }

.btn--accent {
	background: var(--color-red);
	color: var(--color-white);
}
.btn--accent:hover { background: var(--color-red-dark); color: var(--color-white); }

.btn--outline-light {
	background: transparent;
	color: var(--color-white);
	border-color: rgba(255,255,255,0.6);
}
.btn--outline-light:hover { background: rgba(255,255,255,0.12); color: var(--color-white); }

/* =========================================================
   Top bar
   ========================================================= */
.ziden-topbar {
	background: var(--color-charcoal);
	color: rgba(255,255,255,0.85);
	font-family: var(--font-subheading);
	font-size: 0.82rem;
}
.ziden-topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 24px;
	flex-wrap: wrap;
	gap: 8px;
}
.ziden-topbar__contact { display: flex; gap: 24px; flex-wrap: wrap; }
.ziden-topbar__contact a { color: rgba(255,255,255,0.85); display: inline-flex; align-items: center; gap: 6px; }
.ziden-topbar__contact a:hover { color: var(--color-white); }
.ziden-icon svg { width: 14px; height: 14px; fill: currentColor; display: block; }
.ziden-topbar__meta { opacity: 0.75; }

/* =========================================================
   Header / nav
   ========================================================= */
.ziden-header {
	background: var(--color-white);
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.ziden-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 14px 24px;
}
.ziden-branding__text {
	font-family: var(--font-heading);
	font-size: 1.6rem;
	color: var(--color-navy);
	letter-spacing: 0.5px;
}
.ziden-branding__text--light { color: var(--color-white); }

.ziden-branding { display: flex; align-items: center; }
.ziden-branding .custom-logo-link { display: block; }
.ziden-branding .custom-logo {
	height: 56px;
	width: auto;
	max-width: none;
	display: block;
}

.ziden-nav__menu {
	list-style: none;
	display: flex;
	gap: 32px;
	margin: 0;
	padding: 0;
}
.ziden-nav__menu a {
	font-family: var(--font-subheading);
	font-weight: 500;
	text-transform: uppercase;
	font-size: 0.9rem;
	letter-spacing: 0.3px;
	color: var(--color-charcoal);
	padding: 6px 0;
	border-bottom: 2px solid transparent;
}
.ziden-nav__menu a:hover { color: var(--color-navy); border-color: var(--color-red); }

.ziden-header__cta { flex-shrink: 0; }

.ziden-nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	background: none;
	border: none;
	cursor: pointer;
}
.ziden-nav-toggle span {
	display: block;
	height: 2px;
	background: var(--color-charcoal);
	border-radius: 2px;
}

/* =========================================================
   Hero
   ========================================================= */
.ziden-hero {
	background:
		linear-gradient(120deg, rgba(0,63,114,0.88) 0%, rgba(0,45,82,0.82) 45%, rgba(30,30,30,0.75) 100%),
		url('../images/hero-bg.jpg') center center / cover no-repeat;
	color: var(--color-white);
	padding: 120px 0;
	min-height: 62vh;
	display: flex;
	align-items: center;
}
.ziden-hero__inner { width: 100%; }
.ziden-hero__content { max-width: 720px; }
.ziden-eyebrow {
	font-family: var(--font-subheading);
	text-transform: uppercase;
	letter-spacing: 2px;
	font-size: 0.85rem;
	color: var(--color-red);
	font-weight: 600;
	margin-bottom: 12px;
}
.ziden-eyebrow--light { color: #ff9ab0; }
.ziden-eyebrow--center { text-align: center; }
.ziden-hero h1 { color: var(--color-white); }
.ziden-hero__lead { font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 560px; }
.ziden-hero__actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

/* =========================================================
   Stats
   ========================================================= */
.ziden-stats { background: var(--color-light-grey); padding: 40px 0; }
.ziden-stats__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	text-align: center;
}
.ziden-stat__num {
	display: block;
	font-family: var(--font-heading);
	font-size: 2.4rem;
	color: var(--color-navy);
}
.ziden-stat__label {
	font-family: var(--font-subheading);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--color-grey);
}

/* =========================================================
   Section base
   ========================================================= */
.ziden-section { padding: 90px 0; }
.ziden-section--dark { background: var(--color-charcoal); color: rgba(255,255,255,0.85); }
.ziden-section--tint { background: var(--color-light-grey); }
.ziden-section__title { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.ziden-section__title--light { color: var(--color-white); }

/* Services */
.ziden-services__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}
.ziden-card {
	background: var(--color-white);
	border: 2px solid var(--color-navy);
	border-radius: 28px;
	padding: 44px 32px;
	text-align: center;
	box-shadow: 0 4px 14px rgba(0,0,0,0.04);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.ziden-card:hover { transform: translateY(-6px); box-shadow: 0 20px 36px rgba(0,63,114,0.16); border-color: var(--color-red); }
.ziden-card__icon {
	width: 72px; height: 72px;
	border-radius: 50%;
	background: var(--color-navy);
	display: flex; align-items: center; justify-content: center;
	margin: 0 auto 24px;
}
.ziden-card__icon svg { width: 32px; height: 32px; fill: var(--color-white); }
.ziden-card h3 { color: var(--color-charcoal); }
.ziden-card p { color: var(--color-grey); margin-bottom: 0; }

/* Benefits — numbered row, no cards */
.ziden-benefits__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 32px;
	counter-reset: ziden-benefit;
}
.ziden-benefit {
	position: relative;
	counter-increment: ziden-benefit;
	text-align: left;
}
.ziden-benefit::before {
	content: counter(ziden-benefit, decimal-leading-zero);
	display: block;
	font-family: var(--font-heading);
	font-size: 3rem;
	line-height: 1;
	color: rgba(0,63,114,0.15);
	margin-bottom: 12px;
	transition: color 0.2s ease;
}
.ziden-benefit:hover::before { color: rgba(198,61,95,0.3); }
.ziden-benefit__icon {
	width: 40px; height: 40px;
	border-radius: 50%;
	background: var(--color-navy);
	display: flex; align-items: center; justify-content: center;
	margin-bottom: 16px;
}
.ziden-benefit__icon svg { width: 18px; height: 18px; fill: var(--color-white); }
.ziden-benefit h3 { color: var(--color-charcoal); font-size: 1.1rem; }
.ziden-benefit p { color: var(--color-grey); margin-bottom: 0; }

.ziden-section--dark .ziden-benefit::before { color: rgba(255,255,255,0.12); }

/* Industries */
.ziden-industries__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
.ziden-industry-card {
	position: relative;
	border-radius: var(--radius);
	overflow: hidden;
	min-height: 220px;
	display: flex;
	align-items: flex-end;
	color: var(--color-white);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ziden-industry-card:hover { transform: translateY(-6px); box-shadow: 0 20px 36px rgba(0,0,0,0.18); }
.ziden-industry-card__watermark {
	position: absolute;
	top: 20px;
	right: 20px;
	z-index: 1;
	opacity: 0.25;
}
.ziden-industry-card__watermark svg { width: 64px; height: 64px; fill: var(--color-white); }
.ziden-industry-card::before {
	content: "";
	position: absolute; inset: 0;
	background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.75) 100%);
	z-index: 1;
}
.ziden-industry-card--1 { background: linear-gradient(135deg, var(--color-navy), var(--color-steel)); }
.ziden-industry-card--2 { background: linear-gradient(135deg, var(--color-steel), var(--color-charcoal)); }
.ziden-industry-card--3 { background: linear-gradient(135deg, var(--color-red), var(--color-navy-dark)); }
.ziden-industry-card--4 { background: linear-gradient(135deg, var(--color-navy-dark), var(--color-grey)); }
.ziden-industry-card--5 { background: linear-gradient(135deg, var(--color-charcoal), var(--color-steel)); }
.ziden-industry-card--6 { background: linear-gradient(135deg, var(--color-steel), var(--color-red)); }
.ziden-industry-card.has-image {
	background-size: cover;
	background-position: center;
	min-height: 260px;
}
.ziden-industry-card__overlay { position: relative; z-index: 2; padding: 24px; }
.ziden-industry-card__overlay h3 { color: var(--color-white); margin-bottom: 8px; }
.ziden-industry-card__overlay p { font-size: 0.9rem; color: rgba(255,255,255,0.85); margin-bottom: 0; }


/* Contact */
.ziden-contact {
	background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-charcoal) 100%);
	color: var(--color-white);
	padding: 90px 0;
}
.ziden-contact__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
	align-items: start;
}
.ziden-contact__info p { color: rgba(255,255,255,0.8); }
.ziden-contact__details { list-style: none; padding: 0; margin: 24px 0 0; }
.ziden-contact__details li { margin-bottom: 10px; color: rgba(255,255,255,0.85); }
.ziden-contact__details a { color: var(--color-white); text-decoration: underline; }

.ziden-contact__form-wrap {
	background: var(--color-white);
	border-radius: var(--radius);
	padding: 32px;
	color: var(--color-charcoal);
}
.ziden-form__row { margin-bottom: 18px; }
.ziden-form__row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ziden-form label {
	display: block;
	font-family: var(--font-subheading);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	margin-bottom: 6px;
	color: var(--color-grey);
}
.ziden-form input, .ziden-form textarea {
	width: 100%;
	padding: 12px 14px;
	border: 1px solid #dcdcdc;
	border-radius: 6px;
	font-family: var(--font-body);
	font-size: 0.95rem;
}
.ziden-form input:focus, .ziden-form textarea:focus {
	outline: none;
	border-color: var(--color-navy);
}
.ziden-form__submit { width: 100%; margin-top: 6px; border: none; }

.ziden-form-notice {
	padding: 14px 18px;
	border-radius: 6px;
	margin-bottom: 20px;
	font-family: var(--font-subheading);
	font-size: 0.9rem;
}
.ziden-form-notice--success { background: #e4f5e9; color: #1e6b3a; }
.ziden-form-notice--error { background: #fbe6e9; color: var(--color-red-dark); }

/* =========================================================
   Footer
   ========================================================= */
.ziden-footer { background: var(--color-charcoal); color: rgba(255,255,255,0.75); }
.ziden-footer__bottom { padding: 24px 0; }
.ziden-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.ziden-footer__bottom p { margin: 0; font-size: 0.85rem; }
.ziden-footer__bottom-links { display: flex; align-items: center; gap: 10px; }
.ziden-footer__bottom-links a { color: rgba(255,255,255,0.75); }
.ziden-footer__bottom-links a:hover { color: var(--color-white); }
.ziden-footer__bottom-links span { color: rgba(255,255,255,0.3); }
@media (max-width: 640px) {
	.ziden-footer__bottom-inner { flex-direction: column; text-align: center; }
}

/* =========================================================
   WhatsApp floating button
   ========================================================= */
.ziden-whatsapp-float {
	position: fixed;
	bottom: 24px;
	right: 24px;
	width: 60px;
	height: 60px;
	border-radius: 50%;
	background: #25d366;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 6px 18px rgba(0,0,0,0.25);
	z-index: 999;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ziden-whatsapp-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 22px rgba(0,0,0,0.3); }
.ziden-whatsapp-float svg { width: 32px; height: 32px; fill: var(--color-white); }

@media (max-width: 640px) {
	.ziden-whatsapp-float { width: 52px; height: 52px; bottom: 16px; right: 16px; }
	.ziden-whatsapp-float svg { width: 28px; height: 28px; }
}

/* =========================================================
   Generic page template
   ========================================================= */
.ziden-page-hero {
	background: var(--color-navy);
	color: var(--color-white);
	padding: 60px 0;
}
.ziden-page-hero h1 { color: var(--color-white); margin: 0; }
.ziden-page-content { max-width: 800px; }

.ziden-page-hero--lead {
	background:
		linear-gradient(120deg, rgba(0,63,114,0.92) 0%, rgba(0,45,82,0.9) 60%, rgba(30,30,30,0.88) 100%),
		url('../images/hero-bg.jpg') center center / cover no-repeat;
	padding: 90px 0;
}
.ziden-page-hero--lead h1 { text-transform: uppercase; }
.ziden-page-hero__lead {
	max-width: 640px;
	font-size: 1.1rem;
	color: rgba(255,255,255,0.85);
	margin-bottom: 0;
}

.ziden-section__title--left { text-align: left; margin: 0 0 20px; max-width: none; }

/* About: intro */
.ziden-about__intro {
	display: grid;
	grid-template-columns: 1.6fr 1fr;
	gap: 56px;
	align-items: start;
}
.ziden-about__stats {
	background: var(--color-light-grey);
	border-radius: var(--radius);
	padding: 32px;
	display: flex;
	flex-direction: column;
	gap: 24px;
}
.ziden-stat-block__num {
	display: block;
	font-family: var(--font-heading);
	font-size: 2rem;
	color: var(--color-navy);
}
.ziden-stat-block__label {
	font-family: var(--font-subheading);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	color: var(--color-grey);
}

/* Checklist */
.ziden-checklist {
	list-style: none;
	margin: 20px 0;
	padding: 0;
	display: grid;
	gap: 12px;
}
.ziden-checklist--center {
	max-width: 640px;
	margin-left: auto;
	margin-right: auto;
	grid-template-columns: repeat(2, 1fr);
	gap: 16px 32px;
}
.ziden-checklist li {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	color: var(--color-charcoal);
}
.ziden-checklist__icon {
	flex-shrink: 0;
	width: 22px; height: 22px;
	border-radius: 50%;
	background: var(--color-navy);
	display: flex; align-items: center; justify-content: center;
	margin-top: 2px;
}
.ziden-checklist__icon svg { width: 12px; height: 12px; fill: var(--color-white); }

/* CTA band */
.ziden-cta {
	background: var(--color-charcoal);
	padding: 70px 0;
	text-align: center;
}
.ziden-cta__inner { max-width: 640px; margin: 0 auto; }
.ziden-cta__title { margin-bottom: 12px; }
.ziden-cta p { color: rgba(255,255,255,0.75); margin-bottom: 28px; }

.btn--outline-navy {
	background: transparent;
	color: var(--color-navy);
	border-color: var(--color-navy);
}
.btn--outline-navy:hover { background: var(--color-navy); color: var(--color-white); }

/* Services detail rows */
.ziden-service-row {
	display: grid;
	grid-template-columns: 320px 1fr;
	gap: 48px;
	align-items: center;
	padding: 56px 0;
	border-bottom: 1px solid #ececec;
}
.ziden-service-row:first-child { padding-top: 0; }
.ziden-service-row:last-child { border-bottom: none; }
.ziden-service-row.is-reverse { direction: rtl; }
.ziden-service-row.is-reverse > * { direction: ltr; }
.ziden-service-row__visual {
	border-radius: var(--radius);
	min-height: 220px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.ziden-service-row__visual--1 { background: linear-gradient(135deg, var(--color-navy), var(--color-steel)); }
.ziden-service-row__visual--2 { background: linear-gradient(135deg, var(--color-steel), var(--color-charcoal)); }
.ziden-service-row__visual--3 { background: linear-gradient(135deg, var(--color-red), var(--color-navy-dark)); }
.ziden-service-row__visual--4 { background: linear-gradient(135deg, var(--color-navy-dark), var(--color-grey)); }
.ziden-service-row__visual--5 { background: linear-gradient(135deg, var(--color-charcoal), var(--color-steel)); }
.ziden-service-row__visual--6 { background: linear-gradient(135deg, var(--color-steel), var(--color-red)); }
.ziden-service-row__icon {
	width: 88px; height: 88px;
	border-radius: 50%;
	background: rgba(255,255,255,0.15);
	display: flex; align-items: center; justify-content: center;
}
.ziden-service-row__icon svg { width: 40px; height: 40px; fill: var(--color-white); }
.ziden-service-row__content h2 { margin-bottom: 12px; }
.ziden-service-row__use-case { color: var(--color-grey); margin: 16px 0 20px; }
.ziden-service-row__use-case strong { color: var(--color-charcoal); }

/* Industry detail cards */
.ziden-industry-detail__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
}
.ziden-industry-detail {
	background: var(--color-light-grey);
	border-radius: var(--radius);
	padding: 36px;
}
.ziden-industry-detail__icon {
	width: 56px; height: 56px;
	border-radius: 50%;
	background: var(--color-navy);
	display: flex; align-items: center; justify-content: center;
	margin-bottom: 20px;
}
.ziden-industry-detail__icon svg { width: 26px; height: 26px; fill: var(--color-white); }
.ziden-industry-detail__note {
	font-family: var(--font-subheading);
	font-size: 0.9rem;
	color: var(--color-steel);
	border-left: 3px solid var(--color-red);
	padding-left: 14px;
	margin-bottom: 0;
}

.ziden-benefits__grid--3 { grid-template-columns: repeat(3, 1fr); }

/* Contact page cards */
.ziden-contact-cards { padding: 70px 0; }
.ziden-contact-cards__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}
.ziden-contact-card {
	display: block;
	background: var(--color-white);
	border: 2px solid var(--color-navy);
	border-radius: var(--radius);
	padding: 28px 24px;
	text-align: center;
	color: var(--color-charcoal);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.ziden-contact-card:hover { transform: translateY(-4px); box-shadow: 0 16px 28px rgba(0,63,114,0.14); border-color: var(--color-red); }
.ziden-contact-card__icon {
	width: 52px; height: 52px;
	border-radius: 50%;
	background: var(--color-navy);
	display: flex; align-items: center; justify-content: center;
	margin: 0 auto 14px;
}
.ziden-contact-card__icon svg { width: 24px; height: 24px; fill: var(--color-white); }
.ziden-contact-card h3 { font-size: 1rem; margin-bottom: 6px; }
.ziden-contact-card p { color: var(--color-grey); margin: 0; font-size: 0.92rem; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
	.ziden-nav { display: none; }
	.ziden-nav-toggle { display: flex; }
	.ziden-header__cta { display: none; }

	.ziden-header.is-nav-open .ziden-nav {
		display: block;
		position: absolute;
		top: 100%; left: 0; right: 0;
		background: var(--color-white);
		box-shadow: 0 12px 24px rgba(0,0,0,0.1);
		padding: 16px 24px;
	}
	.ziden-header.is-nav-open .ziden-nav__menu { flex-direction: column; gap: 16px; }

	.ziden-stats__grid { grid-template-columns: repeat(2, 1fr); }
	.ziden-services__grid { grid-template-columns: repeat(2, 1fr); }
	.ziden-benefits__grid,
	.ziden-benefits__grid--3 { grid-template-columns: repeat(2, 1fr); }
	.ziden-industries__grid { grid-template-columns: repeat(2, 1fr); }
	.ziden-contact__grid { grid-template-columns: 1fr; }

	.ziden-about__intro { grid-template-columns: 1fr; }
	.ziden-checklist--center { grid-template-columns: 1fr; }
	.ziden-service-row { grid-template-columns: 1fr; }
	.ziden-service-row.is-reverse { direction: ltr; }
	.ziden-industry-detail__grid { grid-template-columns: 1fr; }
	.ziden-contact-cards__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
	.ziden-topbar__meta { display: none; }
	.ziden-hero,
	.ziden-page-hero--lead { padding: 70px 0; }
	.ziden-section { padding: 60px 0; }
	.ziden-services__grid,
	.ziden-benefits__grid,
	.ziden-benefits__grid--3,
	.ziden-industries__grid { grid-template-columns: 1fr; }
	.ziden-form__row--split { grid-template-columns: 1fr; }
	.ziden-contact-cards__grid { grid-template-columns: 1fr; }
}