@font-face {
	font-family: "Inter";
	src: url("fonts/InterVariableFont.woff2") format("woff2");
	font-weight: 100 900;
	font-display: swap;
	font-style: normal;
}

html {
	scroll-behavior: smooth;
}

:root {
	/* ── Ana Renkler ── */
	--bg: #272727; /* sayfa arka planı */
	--surface: #2f2f2f; /* kart, nav yüzeyi */
	--border: #3a3a3a; /* kenarlıklar */

	/* ── Metin ── */
	--text: #ede7e3; /* ana metin */
	--text--muted: #a09d99; /* ikincil, soluk metin */

	/* ── Vurgu Renkleri ── */
	--accent: #489fb5; /* ana mavi — linkler, başlıklar */
	--accent-soft: #82c0cc; /* açık mavi — hover, badge */
	--highlight: #ffa62b; /* turuncu — CTA buton, önemli alan */
}
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Inter", sans-serif;
	font-weight: 400;
	font-style: normal;
	color: var(--text);
	background-color: var(--bg);
	line-height: 1;
	min-height: 100vh;
}

#main-content {
	flex: 1;
}

#site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	background: rgba(39, 39, 39, 0.85);
	border-bottom: 1px solid var(--border);
	transition: background 0.4s ease;
}

#site-header.scrolled {
	background: rgba(20, 20, 20, 0.97) !important;
	border-bottom: 1px solid rgba(72, 159, 181, 0.3);
}

.header-nav {
	display: flex;
	justify-content: space-between; /*aralarini acar*/
	align-items: center;
	padding: 20px 60px;
}

.nav-logo {
	font-size: 36px;
	color: var(--highlight);
	font-weight: 600;
	text-decoration: none;
	letter-spacing: 4px;
	transition: color 0.3s;
}

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

.nav-links {
	display: flex;
	gap: 36px;
	list-style: none;
}

.nav-links a {
	color: var(--text--muted);
	text-decoration: none;
	font-size: 14px;
	letter-spacing: 2px;
	text-transform: uppercase;
	transition: 0.3s;
	position: relative;
}

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

.nav-links a.active::after {
	width: 100%;
}

.nav-links a::after {
	content: "";
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: 1px;
	background: var(--accent);
	transition: width 0.3s;
}

.nav-links a:hover {
	color: var(--highlight);
}

.nav-links a:hover::after {
	width: 100%;
}

.hero {
	min-height: 100vh;
	padding: 80px 60px 60px 60px;
	display: flex;
	align-items: center;
	position: relative;
	overflow: hidden;
	border-bottom: 1px solid var(--border);
}

.hero-content {
	max-width: 650px;
}

.hero-tag {
	display: inline-block;
	font-size: 18px;
	font-weight: 300;
	letter-spacing: 3px;
	text-transform: uppercase;
	color: var(--highlight);
	border: 1px solid var(--highlight);
	padding: 6px 14px;
	margin-bottom: 28px;
	animation: fadeUp 0.8s ease both;
}

.hero h1 {
	font-size: clamp(2.8rem, 6vw, 5rem);
	font-weight: 700;
	line-height: 1.1;
	margin-bottom: 24px;
	color: var(--text);
	animation: fadeUp 0.8s ease both;
	animation-delay: 0.2s;
}

.hero h1 span {
	color: var(--highlight);
}

.hero p {
	font-size: 1rem;
	color: var(--text--muted);
	max-width: 480px;
	margin-bottom: 48px;
	line-height: 1.8;
	animation: fadeUp 0.8s ease both;
	animation-delay: 0.4s;
}

#typewriter::after {
	content: "|";
	color: var(--highlight);
	animation: blink 0.7s infinite;
}

.hero-btns {
	display: flex;
	gap: 18px;
	flex-wrap: wrap;
	animation: fadeUp 0.8s ease both;
	animation-delay: 0.6s;
}

.btn {
	display: inline-block;
	padding: 12px 28px;
	font-size: 0.85rem;
	letter-spacing: 2px;
	text-transform: uppercase;
	text-decoration: none;
	border: 1px solid;
	transition: all 0.3s;
}

.btn-primary {
	background-color: var(--highlight);
	color: var(--bg);
	border-color: var(--highlight);
}

.btn-primary:hover {
	background: transparent;
	color: var(--highlight);
	transform: translateY(-4px);
	border-color: var(--highlight);
	box-shadow: 0 10px 20px rgba(255, 166, 43, 0.15);
}

.btn-outline {
	background: transparent;
	color: var(--text);
	border-color: var(--border);
	animation: pulse 2s ease infinite;
}

.btn-outline:hover {
	color: var(--accent);
	border-color: var(--accent);
	animation-play-state: paused;
}

.hero-number {
	position: absolute;
	right: 60px;
	bottom: 40px;
	font-size: 12vw;
	color: var(--text--muted);
	line-height: 1;
	pointer-events: none;
	user-select: none;
}

.about {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	align-items: center;
	padding: 120px 60px;
	border-bottom: 1px solid var(--border);
}
.about-content {
	max-width: 560px;
}

.section-label {
	font-size: 0.75rem;
	letter-spacing: 3px;
	text-transform: uppercase;
	color: var(--text--muted);
	margin-bottom: 16px;
}

.section-subtitle {
	font-size: clamp(1.8rem, 3.5vw, 2.8rem);
	font-weight: 700;
	color: var(--text);
	line-height: 1.2;
	margin-bottom: 20px;
}

.section-text {
	font-size: 1rem;
	color: var(--text);
	line-height: 1.5;
	margin-bottom: 14px;
}

.stats {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
	margin-top: 40px;
}

.stat-item {
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-left: 3px solid var(--accent);
	transition: border-color 0.3s;
	opacity: 0;
}

.stat-item.visible {
	animation: scaleUp 0.5s ease both;
}

.stat-item:hover {
	border-left-color: var(--highlight);
}

.stat-item dt {
	font-size: 2.2rem;
	font-weight: 700;
	color: var(--accent);
	line-height: 1;
	margin-bottom: 6px;
}

.stat-item dd {
	font-size: 0.78rem;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: var(--text--muted);
	margin: 0;
}

.about-photo {
	position: relative;
	max-width: 340px;
	justify-self: center;
}

.photo-frame {
	width: 100%;
	aspect-ratio: 3 / 4;
	background: var(--surface);
	border: 1px solid var(--border);
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
}

.photo-frame img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.photo-placeholder {
	font-size: 5rem;
	opacity: 0.7;
	width: 100%;
	height: 100%;
}

.photo-placeholder img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}

.about-photo::after {
	content: "";
	position: absolute;
	bottom: -14px;
	right: -14px;
	width: 75%;
	height: 75%;
	border: 2px solid var(--accent);
	z-index: -1;
}

.skills {
	padding: 120px 60px;
	border-bottom: 1px solid var(--border);
}

.skills-header {
	margin-bottom: 56px;
}

.section-title {
	font-size: clamp(1.8rem, 3.5vw, 2.8rem);
	font-weight: 700;
	color: var(--text);
	margin-top: 10px;
}

.skills-list {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 2px;
	list-style: none;
}

.skills-card {
	display: flex;
	flex-direction: column;
	padding: 36px 28px;
	background: var(--surface);
	border: 1px solid var(--border);
	transition:
		border-color 0.3s ease,
		transform 0.3s ease,
		background 0.3s ease;
	opacity: 0;
}
.skills-card.visible {
	animation: slideInLeft 0.6s ease both;
	animation-delay: calc(var(--i) * 0.1s);
}

.skills-card:hover {
	border-color: var(--highlight);
	transform: translateY(-5px);
	background: #323232;
}

.skill-icon {
	font-size: 2.2rem;
	line-height: 1;
	margin-bottom: 16px;
}

.skill-name {
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--text);
	margin-bottom: 16px;
}

.skill-desc {
	font-size: 0.8rem;
	color: var(--text--muted);
	line-height: 1.7;
	flex: 1;
}

.skill-bar-bg {
	height: 2px;
	background: var(--border);
	margin-top: 8px;
}

.skill-bar-fill {
	height: 100%;
	background: var(--accent);
	transition: width 0.8s ease;
	animation: progressFill 1.5s ease both;
}

.projects {
	padding: 120px 60px;
	border-bottom: 1px solid var(--border);
}
.projects .section-label {
	margin-bottom: 12px;
}

.projects .section-title {
	margin-bottom: 56px;
}

.project-filter-btns {
	display: flex;
	gap: 18px;
	margin-bottom: 40px;
}

.project-filter-btn {
	padding: 8px 20px;
	border: 1px solid var(--border);
	background: transparent;
	color: var(--text--muted);
	cursor: pointer;
	font-family: inherit;
	letter-spacing: 1px;
	font-size: 0.8rem;
	transition: all 0.3s;
}

.project-filter-btn.active {
	color: var(--highlight);
	box-shadow: 0 10px 20px rgba(255, 166, 43, 0.15);
}

.project-filter-btn:hover,
.project-filter-btn.active {
	color: var(--highlight);
	transform: translateY(-4px);
	border-color: var(--highlight);
	scale: 110%;
	box-shadow: 0 10px 20px rgba(255, 166, 43, 0.15);
}

.projects-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
}

.project-card {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	padding: 36px 28px;
	background: var(--surface);
	border: 1px solid var(--border);
	transition:
		border-color 0.3s ease,
		transform 0.3s ease,
		background 0.3s ease;
	cursor: pointer;
	text-decoration: none;
	color: inherit;
	opacity: 0;
}

.project-card.visible {
	animation: slideInRight 0.6s ease both;
	animation-delay: calc(var(--i) * 0.1s);
}

.project-card:hover {
	border-color: var(--highlight);
	transform: translateY(-5px);
	background: var(--bg);
}

.project-img-wrap {
	height: 200px;
	overflow: hidden;
}

.project-img {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 36px;
	transition: transform 0.5s ease;
}

.project-card:hover .project-img {
	transform: scale(1.5);
}

.project-img.p1 {
	background: linear-gradient(135deg, #1a2a35, #0d1b24);
}

.project-img.p2 {
	background: linear-gradient(135deg, #1a2a35, #0d1b24);
}

.project-img.p3 {
	background: linear-gradient(135deg, #1a2a35, #0d1b24);
}

.project-body {
	padding: 28px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	flex: 1;
}

.project-tag {
	font-size: 0.72rem;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: var(--highlight);
}

.project-title {
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--text);
	line-height: 1.3;
}

.project-desc {
	font-size: 0.85rem;
	color: var(--text--muted);
	line-height: 1.7;
}

.contact {
	padding: 120px 60px;
	text-align: center;
	border-bottom: 1px solid var(--border);
}

.contact h2 {
	font-size: clamp(2.2rem, 5vw, 4rem);
	font-weight: 700;
	color: var(--text);
	line-height: 1.15;
	margin-top: 12px;
	margin-bottom: 20px;
}

.contact .section-text {
	color: var(--text--muted);
	font-size: 1rem;
	line-height: 1.9;
	max-width: 440px;
	margin: 0 auto 48px;
}

.contact-links {
	display: flex;
	flex-direction: row;
	justify-content: center;
	gap: 16px;
	list-style: none;
}

.contact-links-item a {
	display: inline-block;
	padding: 12px 28px;
	font-size: 1rem;
	letter-spacing: 2px;
	text-transform: uppercase;
	text-decoration: none;
	border: 1px solid var(--text);
	color: var(--text);
	transition: all 0.3s;
}

.contact-links-item a:hover {
	border-color: var(--accent);
	color: var(--accent);
}

.contact-links-item:first-child a {
	background: var(--highlight);
	border-color: var(--highlight);
	color: var(--bg);
}

.contact-links-item:first-child a:hover {
	background: transparent;
	color: var(--highlight);
}

.site-footer {
	padding: 32px 60px;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 12px;
}

.copyright {
	font-size: small;
	color: var(--text--muted);
	letter-spacing: 1px;
}

.site-footer .section-text {
	font-size: small;
	color: var(--text--muted);
	letter-spacing: 1px;
}

.skills-card,
.project-card,
.stat-item {
	will-change: transform, opacity;
}

#scroll-top-btn {
	display: none;
	position: fixed;
	bottom: 32px;
	right: 32px;
	width: 44px;
	height: 44px;
	background: transparent;
	color: var(--highlight);
	border: 1px solid var(--highlight);
	border-radius: 40px;
	font-size: 1.22rem;
	cursor: pointer;
	transition: all 0.3s;
	z-index: 999;
}

#scroll-top-btn:hover {
	background: var(--highlight);
	color: var(--bg);
	border-color: var(--highlight);
	transform: translateY(-4px);
	box-shadow: 0px 3px 35px var(--highlight);
}
/*===========ANIMATIONS========= */

@keyframes fadeUp {
	from {
		opacity: 0;
		transform: translateY(28px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes slideInLeft {
	from {
		opacity: 0;
		transform: translateX(-32px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes slideInRight {
	from {
		opacity: 0;
		transform: translateX(32px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes scaleUp {
	from {
		opacity: 0;
		transform: scale(0.7);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

@keyframes pulse {
	0%,
	100% {
		transform: scale(1);
		opacity: 1;
	}
	50% {
		transform: scale(1.05);
		opacity: 0.9;
	}
}

@keyframes progressFill {
	from {
		width: 0;
	}
	to {
		width: var(--w);
	}
}

@keyframes blink {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0;
	}
}
/* ── MOBİL RESPONSIVE ── */
@media (max-width: 768px) {
	/* ── NAV ── */
	/* Linkleri gizle, sadece logo kalsın */
	.header-nav {
		padding: 16px 24px;
	}

	.nav-links {
		display: none; /* telefonda linkler sığmıyor */
	}

	/* ── HERO ── */
	.hero {
		padding: 100px 24px 60px;
	}

	.hero-number {
		display: none; /* dekoratif numara telefonda yer kaplıyor */
	}

	/* ── HAKKIMDA ── */
	/* Grid tek sütuna düş, foto kaybolsun */
	.about {
		grid-template-columns: 1fr; /* yan yana değil alt alta */
		gap: 40px;
		padding: 80px 24px;
	}

	.about-photo {
		display: none; /* telefonda foto gerekmez */
	}

	.about-content {
		max-width: 100%;
	}

	/* ── BECERİLER ── */
	.skills {
		padding: 80px 24px;
	}

	/* auto-fit zaten responsive, dokunmaya gerek yok */

	/* ── PROJELER ── */
	/* 3 sütun telefona sığmaz, tek sütun yap */
	.projects {
		padding: 80px 24px;
	}

	.projects-grid {
		grid-template-columns: 1fr; /* tek sütun */
	}

	/* ── İLETİŞİM ── */
	.contact {
		padding: 80px 24px;
	}

	/* Butonlar yan yana sığmıyor, alt alta dizilsin */
	.contact-links {
		flex-direction: column;
		align-items: center;
	}

	.contact-links-item a {
		width: 280px;
		text-align: center;
	}

	/* ── FOOTER ── */
	.site-footer {
		padding: 24px;
		flex-direction: column;
		text-align: center;
	}
}