/*
  Proje: Ezoft One-Page
  Not: Yorumlar Türkçe. 2025 modern standartlarına uygun, minimal ve performans odaklı.
*/

/* Design tokens */
:root {
	--font-primary: 'Inter', sans-serif;
	--font-heading: 'Montserrat', sans-serif;
	--transition: all 0.3s ease;
	--color-bg: #ffffff;
	--color-fg: #1a202c;
	--color-muted: #4a5568;
	--color-light: #f7fafc;
	--color-primary: #3182ce; /* mavi vurgu */
	--color-accent: #38a169;  /* yeşil alternatif */
	--shadow-card: 0 6px 20px rgba(0,0,0,0.08);
}

/* Reset ve temel tipografi */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-primary);
	color: var(--color-fg);
	background: var(--color-bg);
	line-height: 1.6; /* okunabilirlik */
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

.skip-link {
	position: absolute;
	left: -9999px;
	background: #fff;
	color: #000;
	padding: 8px 12px;
	border-radius: 6px;
}
.skip-link:focus { left: 12px; top: 12px; z-index: 1000; }

/* Layout yardımcıları */
.container { width: min(1120px, 92%); margin: 0 auto; }
.section { position: relative; }
.section-padding { padding: 80px 0; }
@media (min-width: 768px) { .section-padding { padding: 96px 0; } }

.bg-light { background: var(--color-light); }

/* Header / Navigation */
.header {
	position: sticky;
	top: 0;
	background: rgba(255,255,255,0.9);
	backdrop-filter: saturate(140%) blur(8px);
	border-bottom: 1px solid rgba(26,32,44,0.06);
	z-index: 999;
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 64px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-text { font-family: var(--font-heading); letter-spacing: .4px; }

.nav ul { display: none; gap: 20px; }
.nav a { padding: 8px 10px; color: var(--color-muted); transition: var(--transition); }
.nav a:hover { color: var(--color-fg); }
.nav-toggle { display: inline-flex; background: transparent; border: none; padding: 6px; cursor: pointer; }

@media (min-width: 768px) {
	.nav ul { display: flex; }
	.nav-toggle { display: none; }
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 18px;
	border-radius: 10px;
	font-weight: 600;
	transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 6px 18px rgba(49,130,206,.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(49,130,206,.35); }
.btn-secondary { background: #e6f0fb; color: var(--color-primary); }
.btn-secondary:hover { background: #d9e9fb; transform: translateY(-2px); }

/* Hero */
.grid-2 { display: grid; gap: 32px; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1.2fr 1fr; align-items: center; } }

.hero h1 {
	font-family: var(--font-heading);
	font-size: clamp(28px, 4vw, 44px);
	line-height: 1.2;
	margin: 0 0 12px 0;
}
.hero p { color: var(--color-muted); margin: 0 0 20px 0; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img { filter: drop-shadow(0 16px 28px rgba(0,0,0,.08)); border-radius: 16px; }

/* Bölüm başlıkları */
.section-title { font-family: var(--font-heading); font-size: clamp(22px, 3vw, 32px); margin: 0 0 8px 0; }
.section-subtitle { color: var(--color-muted); margin-bottom: 28px; }

/* Kartlar */
.cards-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 18px; }
@media (min-width: 640px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
.card { background: #fff; padding: 22px; border-radius: 14px; box-shadow: var(--shadow-card); transition: transform .2s ease; }
.card:hover { transform: translateY(-5px); }
.card i { color: var(--color-primary); }
.card h3 { margin: 10px 0 6px 0; font-size: 18px; }
.card p { color: var(--color-muted); margin: 0; }

/* Timeline */
.timeline { position: relative; margin: 0; padding: 0; counter-reset: step; }
.timeline-item { display: grid; grid-template-columns: 24px 1fr; gap: 14px; padding: 10px 0; }
.timeline-bullet { width: 12px; height: 12px; border-radius: 999px; background: var(--color-primary); margin-top: 6px; }
.timeline-content h3 { margin: 0 0 6px 0; font-size: 18px; }
.timeline-content p { margin: 0; color: var(--color-muted); }

/* Tech grid */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; align-items: center; }
@media (min-width: 640px) { .tech-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .tech-grid { grid-template-columns: repeat(6, 1fr); } }
.tech-item { background: #fff; border-radius: 12px; box-shadow: var(--shadow-card); padding: 16px; text-align: center; }
.tech-item span { display: block; margin-top: 8px; color: var(--color-muted); font-size: 14px; }

/* Why us */
.why-grid { display: grid; gap: 18px; grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-item { background: #fff; border-radius: 14px; padding: 20px; box-shadow: var(--shadow-card); display: grid; gap: 8px; }
.why-item i { color: var(--color-primary); }

.metrics { margin-top: 24px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 640px) { .metrics { grid-template-columns: repeat(4, 1fr); } }
.metric { background: #fff; border-radius: 14px; padding: 18px; text-align: center; box-shadow: var(--shadow-card); }
.metric .num { font-family: var(--font-heading); font-size: 24px; display: block; }
.metric .label { color: var(--color-muted); font-size: 13px; }

/* Contact */
.contact-grid { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 992px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-form { background: #fff; border-radius: 14px; box-shadow: var(--shadow-card); padding: 20px; }
.form-row { display: grid; gap: 6px; margin-bottom: 12px; }
.form-row label { font-weight: 600; }
.form-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-row input, .form-row textarea {
	border: 1px solid #e2e8f0;
	padding: 12px 14px;
	border-radius: 10px;
	font: inherit;
	transition: border-color .2s ease, box-shadow .2s ease;
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(49,130,206,.15); }
.g-recaptcha { transform: scale(1); transform-origin: left top; }
@media (max-width: 360px) { .g-recaptcha { transform: scale(.9); } }
.form-feedback { min-height: 20px; color: var(--color-muted); margin: 8px 0 0 0; }
.contact-info { display: grid; gap: 12px; }
.info-row { display: inline-flex; align-items: center; gap: 10px; color: var(--color-muted); }
.map-placeholder { height: 220px; border: 1px dashed #cbd5e0; border-radius: 12px; display: grid; place-items: center; color: #718096; background: #fff; }

/* Footer */
.footer { background: #0f172a; color: #e2e8f0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; }
.footer a { color: #cbd5e1; }
.footer a:hover { color: #fff; }
.to-top-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: linear-gradient(135deg, #2563eb, #3182ce);
	color: #fff;
	padding: 10px 14px;
	border-radius: 999px;
	box-shadow: 0 8px 24px rgba(37,99,235,.35);
	transition: transform .2s ease, box-shadow .2s ease;
}
.to-top-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37,99,235,.45); }
.to-top-btn i { width: 20px; height: 20px; }

/* Scroll reveal (fade-in) */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Yardımcı */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 1px, 1px); border: 0; }