/* ============================================================
   ZEMOSI — main.css
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
	--color-bg:          #F7F7F5;
	--color-mint:        #B2EAE8;
	--color-accent:      #E8533A;
	--color-deep-teal:   #1C1410;
	--color-text:        #1A1A1A;
	--color-muted:       #6B6B6B;
	--color-border:      #E0E0DC;
	--color-white:       #FFFFFF;

	--font-display:      'Syne', sans-serif;
	--font-body:         'DM Sans', sans-serif;

	--container-max:     1140px;
	--container-pad:     clamp(1.25rem, 5vw, 2.5rem);

	--radius-sm:         6px;
	--radius-md:         12px;
	--radius-lg:         20px;

	--transition-base:   0.25s ease;
	--transition-slow:   0.6s cubic-bezier(0.16, 1, 0.3, 1);

	--header-height:     72px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
	-webkit-text-size-adjust: 100%;
}

body {
	font-family: var(--font-body);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--color-text);
	background-color: var(--color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

a {
	color: inherit;
	text-decoration: none;
}

ul {
	list-style: none;
}

button {
	font-family: inherit;
	cursor: pointer;
	border: none;
	background: none;
}

/* ── Layout Utilities ──────────────────────────────────────── */
.container {
	width: 100%;
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--container-pad);
}

.section {
	padding-block: clamp(4rem, 8vw, 7rem);
}

/* ── Fade-in on Scroll ─────────────────────────────────────── */
.fade-in {
	opacity: 0;
	transform: translateY(28px);
	transition:
		opacity var(--transition-slow),
		transform var(--transition-slow);
}

.fade-in.visible {
	opacity: 1;
	transform: translateY(0);
}

/* Stagger children inside a container */
.fade-in:nth-child(1) { transition-delay: 0.05s; }
.fade-in:nth-child(2) { transition-delay: 0.12s; }
.fade-in:nth-child(3) { transition-delay: 0.19s; }
.fade-in:nth-child(4) { transition-delay: 0.26s; }
.fade-in:nth-child(5) { transition-delay: 0.33s; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	height: var(--header-height);
	background-color: var(--color-bg);
	border-bottom: 1px solid var(--color-border);
	transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--container-pad);
}

.site-logo {
	font-family: var(--font-display);
	font-size: 1.25rem;
	font-weight: 800;
	letter-spacing: 0.12em;
	color: var(--color-deep-teal);
	transition: color var(--transition-base);
}

.site-logo:hover {
	color: var(--color-accent);
}

.site-nav .nav-list {
	display: flex;
	align-items: center;
	gap: 2.25rem;
}

.site-nav .nav-list a {
	font-family: var(--font-body);
	font-size: 0.9rem;
	font-weight: 500;
	color: var(--color-muted);
	letter-spacing: 0.02em;
	transition: color var(--transition-base);
	position: relative;
}

.site-nav .nav-list a::after {
	content: '';
	position: absolute;
	bottom: -3px;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-accent);
	transition: width var(--transition-base);
}

.site-nav .nav-list a:hover {
	color: var(--color-text);
}

.site-nav .nav-list a:hover::after,
.site-nav .nav-list a.nav-active::after {
	width: 100%;
}

.site-nav .nav-list a.nav-active {
	color: var(--color-accent);
}

/* ── Hamburger ─────────────────────────────────────────────── */
.hamburger {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 36px;
	height: 36px;
	padding: 4px;
}

.hamburger-line {
	display: block;
	width: 22px;
	height: 2px;
	background-color: var(--color-text);
	border-radius: 2px;
	transition: transform var(--transition-base), opacity var(--transition-base);
	transform-origin: center;
}

.hamburger.is-open .hamburger-line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open .hamburger-line:nth-child(2) {
	opacity: 0;
}

.hamburger.is-open .hamburger-line:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav ────────────────────────────────────────────── */
.mobile-nav {
	display: none;
	position: fixed;
	top: var(--header-height);
	left: 0;
	right: 0;
	background-color: var(--color-bg);
	border-bottom: 1px solid var(--color-border);
	z-index: 99;
	overflow: hidden;
	max-height: 0;
	transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav.is-open {
	max-height: 320px;
}

.mobile-nav-list {
	padding: 1rem var(--container-pad) 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.mobile-nav-list a {
	display: block;
	padding: 0.65rem 0;
	font-size: 1.05rem;
	font-weight: 500;
	color: var(--color-text);
	border-bottom: 1px solid var(--color-border);
	transition: color var(--transition-base);
}

.mobile-nav-list a:hover {
	color: var(--color-accent);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.8rem 1.75rem;
	font-family: var(--font-body);
	font-size: 0.9rem;
	font-weight: 500;
	letter-spacing: 0.02em;
	border-radius: var(--radius-sm);
	transition: all var(--transition-base);
	white-space: nowrap;
}

.btn-primary {
	background-color: var(--color-deep-teal);
	color: var(--color-white);
}

.btn-primary:hover {
	background-color: var(--color-accent);
	transform: translateY(-1px);
}

.btn-outline {
	border: 1.5px solid var(--color-deep-teal);
	color: var(--color-deep-teal);
	background-color: transparent;
}

.btn-outline:hover {
	background-color: var(--color-deep-teal);
	color: var(--color-white);
	transform: translateY(-1px);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
	position: relative;
	min-height: calc(100vh - var(--header-height));
	display: flex;
	align-items: center;
	overflow: hidden;
	background-color: var(--color-bg);
}

.hero-watermark {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 0;
	overflow: hidden;
	pointer-events: none;
	user-select: none;
}

.marquee-row {
	display: flex;
	width: 100%;
	overflow: hidden;
}

.marquee-content {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	white-space: nowrap;
	flex-shrink: 0;
	font-family: var(--font-display);
	font-size: clamp(5rem, 14vw, 10rem);
	font-weight: 800;
	letter-spacing: 0.04em;
	line-height: 1.1;
	color: var(--color-mint);
	-webkit-text-stroke: 3px var(--color-mint);
	opacity: 0.35;
	animation: marquee-left 55s linear infinite;
}

.marquee-row:nth-child(2) .marquee-content {
	animation-duration: 42s;
	animation-direction: reverse;
}

.marquee-row:nth-child(3) .marquee-content {
	animation-duration: 65s;
}

@keyframes marquee-left {
	0%   { transform: translateX(0); }
	100% { transform: translateX(-50%); }
}

.hero-inner {
	position: relative;
	z-index: 1;
	padding-block: clamp(4rem, 8vw, 7rem);
}

.hero-content {
	max-width: 680px;
}

.hero-eyebrow {
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: 1.25rem;
}

.hero-name {
	font-family: var(--font-display);
	font-size: clamp(2.5rem, 9vw, 7.5rem);
	font-weight: 800;
	line-height: 0.95;
	letter-spacing: -0.02em;
	color: var(--color-text);
	margin-bottom: 1.75rem;
}

.hero-tagline {
	font-size: clamp(1.05rem, 2vw, 1.25rem);
	font-weight: 400;
	color: var(--color-text);
	line-height: 1.55;
	margin-bottom: 0.65rem;
}

.hero-sub {
	font-size: 0.95rem;
	color: var(--color-muted);
	margin-bottom: 2.25rem;
}

.hero-cta {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

/* ── Stats ─────────────────────────────────────────────────── */
.stats-section {
	padding-block: clamp(3rem, 6vw, 5rem);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	background-color: var(--color-border);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	overflow: hidden;
}

.stat-card {
	background-color: var(--color-bg);
	padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 3vw, 2rem);
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.stat-value {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 800;
	color: var(--color-deep-teal);
	line-height: 1;
}

.stat-label {
	font-size: 0.85rem;
	color: var(--color-muted);
	font-weight: 400;
}

/* ── Page Hero (inner pages) ───────────────────────────────── */
.page-hero {
	padding-top: clamp(3.5rem, 7vw, 6rem);
	padding-bottom: clamp(2rem, 4vw, 3.5rem);
	border-bottom: 1px solid var(--color-border);
}

.page-label {
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: 1rem;
}

.page-title {
	font-family: var(--font-display);
	font-size: clamp(2.25rem, 5.5vw, 4.5rem);
	font-weight: 800;
	line-height: 1.05;
	letter-spacing: -0.02em;
	color: var(--color-text);
}

.section-title {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4.5vw, 3.75rem);
	font-weight: 800;
	line-height: 1.05;
	letter-spacing: -0.02em;
	color: var(--color-text);
	margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

/* Offset anchor targets so sticky header doesn't cover them */
#about,
#experience,
#skills,
#contact {
	scroll-margin-top: calc(var(--header-height) + 1rem);
}

/* ── About ─────────────────────────────────────────────────── */
.about-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(1.5rem, 4vw, 3rem);
	margin-bottom: clamp(2.5rem, 5vw, 4rem);
	align-items: start;
}

.bio-text {
	font-size: clamp(1rem, 1.5vw, 1.125rem);
	line-height: 1.75;
	color: var(--color-text);
}

.about-highlight-card {
	background-color: var(--color-mint);
	border-radius: var(--radius-md);
	padding: clamp(1.5rem, 3vw, 2.25rem);
}

.highlight-tag {
	display: inline-block;
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-deep-teal);
	background-color: rgba(28, 20, 16, 0.1);
	padding: 0.3rem 0.75rem;
	border-radius: 100px;
	margin-bottom: 1rem;
}

.highlight-text {
	font-size: 0.975rem;
	line-height: 1.7;
	color: var(--color-deep-teal);
	font-weight: 400;
}

.education-card {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 2rem;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: clamp(1.5rem, 3vw, 2.25rem);
	background-color: var(--color-white);
}

.edu-label {
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-accent);
	margin-bottom: 0.5rem;
}

.edu-school {
	font-family: var(--font-display);
	font-size: clamp(1.1rem, 2vw, 1.35rem);
	font-weight: 700;
	color: var(--color-text);
	margin-bottom: 0.25rem;
}

.edu-degree {
	font-size: 0.9rem;
	color: var(--color-muted);
}

.education-right {
	flex-shrink: 0;
	text-align: right;
}

.edu-meta {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.edu-years {
	font-size: 0.85rem;
	color: var(--color-muted);
}

.edu-gpa {
	font-size: 0.9rem;
	color: var(--color-text);
}

.edu-gpa strong {
	font-family: var(--font-display);
	font-size: 1.5rem;
	font-weight: 800;
	color: var(--color-deep-teal);
}

/* ── Timeline / Experience ─────────────────────────────────── */
.timeline {
	display: flex;
	flex-direction: column;
	gap: clamp(2rem, 4vw, 3rem);
}

.timeline-item {
	display: grid;
	grid-template-columns: 180px 1fr;
	gap: clamp(1.25rem, 3vw, 2.5rem);
	align-items: start;
}

.timeline-meta {
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
	padding-top: 0.35rem;
}

.timeline-period {
	font-size: 0.8rem;
	font-weight: 500;
	color: var(--color-muted);
	line-height: 1.4;
}

.timeline-location {
	font-size: 0.75rem;
	color: var(--color-accent);
	font-weight: 500;
}

.timeline-card {
	border: 1px solid var(--color-border);
	border-left: 4px solid var(--color-accent);
	border-radius: var(--radius-md);
	padding: clamp(1.25rem, 3vw, 2rem);
	background-color: var(--color-white);
	transition: box-shadow var(--transition-base);
}

.timeline-card:hover {
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.timeline-header {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.5rem 1rem;
	margin-bottom: 1rem;
}

.timeline-company {
	font-family: var(--font-display);
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--color-text);
}

.timeline-role {
	font-size: 0.875rem;
	color: var(--color-muted);
	font-weight: 400;
}

.timeline-badge {
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--color-accent);
	background-color: rgba(232, 83, 58, 0.1);
	padding: 0.2rem 0.65rem;
	border-radius: 100px;
}

.timeline-bullets {
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
}

.timeline-bullets li {
	font-size: 0.9rem;
	color: var(--color-muted);
	line-height: 1.6;
	padding-left: 1rem;
	position: relative;
}

.timeline-bullets li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.6em;
	width: 4px;
	height: 4px;
	background-color: var(--color-accent);
	border-radius: 50%;
}

/* ── Skills ────────────────────────────────────────────────── */
.skills-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.25rem;
}

.skill-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: clamp(1.25rem, 3vw, 2rem);
	background-color: var(--color-white);
	transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.skill-card:hover {
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
	transform: translateY(-2px);
}

.skill-card--featured {
	border: 2px solid var(--color-mint);
	background-color: var(--color-bg);
}

.skill-card-header {
	margin-bottom: 1.1rem;
}

.skill-category-label {
	font-family: var(--font-display);
	font-size: 0.95rem;
	font-weight: 700;
	color: var(--color-text);
}

.skill-card--featured .skill-category-label {
	color: var(--color-deep-teal);
}

.skill-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.skill-tag {
	font-size: 0.8rem;
	font-weight: 400;
	color: var(--color-text);
	background-color: var(--color-bg);
	border: 1px solid var(--color-border);
	padding: 0.3rem 0.75rem;
	border-radius: 100px;
	line-height: 1;
}

.skill-card--featured .skill-tag {
	background-color: rgba(232, 83, 58, 0.08);
	border-color: rgba(232, 83, 58, 0.25);
	color: var(--color-accent);
	font-weight: 500;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
	max-width: 560px;
}

.contact-card {
	display: flex;
	align-items: center;
	gap: 1rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: clamp(1.25rem, 3vw, 1.75rem);
	background-color: var(--color-white);
	transition: all var(--transition-base);
	cursor: pointer;
}

.contact-card:not(.contact-card--location):hover {
	border-color: var(--color-accent);
	box-shadow: 0 4px 24px rgba(93, 202, 165, 0.15);
	transform: translateY(-2px);
}

.contact-card--location {
	cursor: default;
}

.contact-card-icon {
	width: 44px;
	height: 44px;
	background-color: var(--color-bg);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	color: var(--color-accent);
	transition: background-color var(--transition-base);
}

.contact-card:hover .contact-card-icon {
	background-color: var(--color-mint);
}

.contact-card-body {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	flex: 1;
	min-width: 0;
}

.contact-label {
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--color-muted);
}

.contact-value {
	font-size: 0.925rem;
	font-weight: 500;
	color: var(--color-text);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.contact-arrow {
	font-size: 1.1rem;
	color: var(--color-border);
	transition: color var(--transition-base), transform var(--transition-base);
	flex-shrink: 0;
}

.contact-card:hover .contact-arrow {
	color: var(--color-accent);
	transform: translateX(3px);
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
	border-top: 1px solid var(--color-border);
	padding-block: 2rem;
	background-color: var(--color-bg);
}

.footer-inner {
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--container-pad);
	text-align: center;
}

.footer-copy {
	font-size: 0.825rem;
	color: var(--color-muted);
	letter-spacing: 0.01em;
}

/* ── Responsive: 768px ─────────────────────────────────────── */
@media (max-width: 768px) {
	:root {
		--header-height: 64px;
	}

	.site-nav {
		display: none;
	}

	.hamburger {
		display: flex;
	}

	.mobile-nav {
		display: block;
	}

	.hero-watermark {
		font-size: clamp(5rem, 28vw, 10rem);
		right: -5%;
		opacity: 0.2;
	}

	.stats-grid {
		grid-template-columns: 1fr;
	}

	.about-grid {
		grid-template-columns: 1fr;
	}

	.education-card {
		flex-direction: column;
		align-items: flex-start;
	}

	.education-right {
		text-align: left;
	}

	.timeline-item {
		grid-template-columns: 1fr;
		gap: 0.75rem;
	}

	.timeline-meta {
		flex-direction: row;
		flex-wrap: wrap;
		gap: 0.5rem;
		padding-top: 0;
	}

	.skills-grid {
		grid-template-columns: 1fr;
	}

	.contact-grid {
		grid-template-columns: 1fr;
	}
}

/* ── Responsive: 480px ─────────────────────────────────────── */
@media (max-width: 480px) {
	.hero-name {
		font-size: clamp(1.75rem, 10vw, 3rem);
	}

	.hero-cta {
		flex-direction: column;
	}

	.hero-cta .btn {
		width: 100%;
		justify-content: center;
	}

	.timeline-card {
		border-left-width: 3px;
	}

	.stat-card {
		flex-direction: row;
		align-items: baseline;
		gap: 0.75rem;
	}
}