/* ============================================
   DRYVATEC.COM.TR — Premium Editorial Design
   Asimetrik, gorsel odakli, AI template degil
   ============================================ */

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

:root {
  /* Renk sistemi — daha derin, katmanli */
  --ink: #0f2137;
  --ink-light: #1a3a5c;
  --ink-muted: #3d5a80;
  --teal: #00b09b;
  --teal-deep: #008f7f;
  --teal-glow: #00d4b8;
  --surface: #fafbfd;
  --surface-warm: #f4f1ed;
  --white: #ffffff;
  --text: #2d3748;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --border: #e8ecf1;
  --border-light: #f1f3f6;
  --danger: #dc2626;
  --success: #16a34a;

  /* Golge sistemi */
  --shadow-subtle: 0 1px 2px rgba(15,33,55,0.04);
  --shadow-card: 0 2px 8px rgba(15,33,55,0.06), 0 0 1px rgba(15,33,55,0.08);
  --shadow-lifted: 0 12px 40px rgba(15,33,55,0.1), 0 2px 8px rgba(15,33,55,0.04);
  --shadow-float: 0 24px 64px rgba(15,33,55,0.12);

  /* Boyutlar */
  --max-w: 1240px;
  --max-w-narrow: 840px;
  --header-h: 72px;
  --radius: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Gecis */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Eski degisken uyumlulugu (alt sayfalar icin) */
  --color-primary: var(--ink);
  --color-primary-light: var(--ink-light);
  --color-teal: var(--teal);
  --color-teal-dark: var(--teal-deep);
  --color-bg: var(--surface);
  --color-white: var(--white);
  --color-text: var(--text);
  --color-text-light: var(--text-muted);
  --color-border: var(--border);
  --color-danger: var(--danger);
  --color-success: var(--success);
  --shadow-sm: var(--shadow-subtle);
  --shadow-md: var(--shadow-card);
  --shadow-lg: var(--shadow-lifted);
  --radius-sm: var(--radius);
  --radius-md: var(--radius-lg);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: var(--teal); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--teal-deep); }

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

::selection {
  background: rgba(0,176,155,0.15);
  color: var(--ink);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

/* --- Typography — editorial hiyerarsi --- */
h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  letter-spacing: -0.01em;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--teal);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  margin-bottom: 14px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Butonlar — ince, sivri, premium --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease);
  min-height: 52px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(0,176,155,0.25);
}

.btn-primary:hover {
  background: var(--teal-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,176,155,0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-large {
  padding: 18px 40px;
  font-size: 1.05rem;
}

.btn-trust {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all 0.4s var(--ease);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.logo img {
  height: 72px;
  width: auto;
}

.logo span {
  display: none;
}

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

/* --- Navigation --- */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.25s var(--ease);
}

.nav-menu a:hover {
  color: var(--ink);
  background: var(--border-light);
}

.nav-menu a::after { display: none; }

.nav-cta {
  background: var(--ink) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--teal) !important;
  color: var(--white) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: all 0.3s var(--ease);
  border-radius: 2px;
}

/* --- HERO — editorial, asimetrik --- */
.hero {
  padding: calc(var(--header-h) + 80px) 0 100px;
  background: var(--ink);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

/* Ince cizgi desen — AI'dan farkli yapar */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,176,155,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,176,155,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--surface);
  clip-path: polygon(0 40%, 100% 0%, 100% 100%, 0 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.08;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--teal-glow);
}

.hero-content p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.75;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 20px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

.hero-badge i {
  color: var(--teal-glow);
  font-size: 1rem;
}

/* Hero gorsel alani */
.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

/* Gorsel yokken sik gorunen placeholder */
.hero-image .img-placeholder {
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,0.25);
}

.img-placeholder i { font-size: 2.5rem; }
.img-placeholder span { font-size: 0.85rem; }

/* --- Trust Bar --- */
.trust-bar {
  padding: 36px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 2;
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-item i {
  font-size: 1.3rem;
  color: var(--teal);
}

/* --- Urun Kartlari --- */
.products-section {
  padding: 100px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lifted);
  border-color: transparent;
}

.product-card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: #f8f9fb;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.5s var(--ease);
}

.product-card:hover .product-card-image img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--danger);
  color: var(--white);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  z-index: 1;
}

.product-card-body {
  padding: 26px;
}

.product-card-body h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.product-card-body .description {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
  line-height: 1.6;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 18px;
}

.product-price .current {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.product-price .original {
  font-size: 0.95rem;
  color: var(--text-faint);
  text-decoration: line-through;
}

/* --- Ozellikler — asimetrik grid --- */
.features-section {
  padding: 100px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  transition: all 0.35s var(--ease);
  border: 1px solid transparent;
}

.feature-card:hover {
  background: var(--surface);
  border-color: var(--border);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,176,155,0.1) 0%, rgba(0,176,155,0.05) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--teal);
  transition: all 0.3s var(--ease);
}

.feature-card:hover .feature-icon {
  background: var(--teal);
  color: var(--white);
  transform: scale(1.05);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* --- Uclu Sistem — koyu, dramatik --- */
.system-section {
  padding: 100px 0;
  background: var(--ink);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.system-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,176,155,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.system-section h2 {
  color: var(--white);
}

.system-section p {
  color: rgba(255,255,255,0.7);
}

.system-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.system-step {
  padding: 40px 28px 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.4s var(--ease);
  position: relative;
}

.system-step:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0,176,155,0.3);
  transform: translateY(-4px);
}

.system-step .step-number {
  width: 44px;
  height: 44px;
  background: var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(0,176,155,0.3);
}

.system-step h3 {
  color: var(--white);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

/* --- Blog — editorial layout --- */
.blog-section {
  padding: 100px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lifted);
  border-color: transparent;
}

.blog-card-image {
  aspect-ratio: 16/9;
  position: relative;
  background: linear-gradient(145deg, #f0f2f5 0%, #e4e7eb 100%);
  overflow: hidden;
}

.blog-card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-body .date {
  font-size: 0.78rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 10px;
  display: block;
}

.blog-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  background: var(--white);
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.55);
}

/* Footer logo overrides */
.site-footer .logo img {
  height: 32px;
}
.site-footer .logo span {
  display: none;
}
.site-footer .logo:hover {
  color: var(--teal-glow);
}
/* Güvenli ödeme rozeti resmi */
.footer-payment-img {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  border-radius: 6px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Ana 5 sütun grid */
.footer-main-grid {
  padding: 60px 0 52px;
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

/* Marka sütunu */
.footer-brand-col .logo {
  color: #fff;
  font-size: 1.15rem;
}
.footer-tagline {
  margin-top: 22px;
  font-size: 1.2rem;
  font-weight: 700;
  color: rgba(255,255,255,0.88);
  line-height: 1.75;
  letter-spacing: -0.01em;
}
.footer-social {
  display: flex;
  gap: 8px;
  margin-top: 22px;
}
.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.45);
  font-size: 1rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.footer-social a:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.footer-payment-badge {
  margin-top: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 14px 16px;
  display: inline-block;
}
.footer-payment-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  display: block;
  margin-bottom: 10px;
}
.footer-pay-logos {
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-pay-logo {
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 4px;
  padding: 4px 9px;
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}

/* Sütun başlıkları */
.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 11px; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
  text-decoration: none;
}
.footer-col a:hover { color: var(--teal-glow); }

/* İletişim bilgileri */
.footer-contact {
  font-size: 0.86rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.5);
}
.footer-contact p { margin-bottom: 14px; }
.footer-contact strong {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 4px;
}
.footer-contact a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-contact a:hover { color: var(--teal-glow); }

/* Alt çubuk */
.footer-bar {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}
.footer-bar-links {
  display: flex;
  gap: 20px;
}
.footer-bar-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-bar-links a:hover { color: rgba(255,255,255,0.6); }

/* --- Page Header (ic sayfalar) --- */
.page-header {
  padding: calc(var(--header-h) + 48px) 0 48px;
  background: var(--ink);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

.page-header p {
  color: rgba(255,255,255,0.6);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.4);
}

.breadcrumb a { color: rgba(255,255,255,0.5); }
.breadcrumb a:hover { color: var(--white); }

/* --- FAQ --- */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 10px;
  background: var(--white);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}

.faq-item:hover {
  border-color: var(--teal);
}

.faq-question {
  width: 100%;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color 0.2s;
}

.faq-question:hover { color: var(--ink); }

.faq-question i {
  transition: transform 0.3s var(--ease);
  color: var(--teal);
  flex-shrink: 0;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 26px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  padding: 0 26px 22px;
  max-height: 500px;
}

/* --- Contact Form --- */
.contact-section {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 7px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.25s var(--ease);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(0,176,155,0.08);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

/* --- Calculator --- */
.calculator-section {
  padding: 80px 0;
}

.calculator-card {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.calc-result {
  margin-top: 32px;
  padding: 28px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  text-align: center;
  display: none;
  border: 1px solid var(--border-light);
}

.calc-result.visible {
  display: block;
  animation: fadeIn 0.4s var(--ease);
}

.calc-result .amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

/* --- Bildirimler --- */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 16px 28px;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.5s var(--ease-spring);
  z-index: 9999;
  font-size: 0.92rem;
  font-weight: 500;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

/* --- Skeleton Loading --- */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, #eef1f5 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.8s infinite;
  border-radius: var(--radius);
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Scroll animasyonu --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-image { display: none; }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 20px 28px;
    gap: 4px;
    box-shadow: var(--shadow-lifted);
    border-bottom: 1px solid var(--border);
  }

  .nav-menu a {
    padding: 12px 16px;
    width: 100%;
    border-radius: var(--radius);
  }

  .nav-menu.open { display: flex; }
  .menu-toggle { display: block; }

  .features-grid,
  .system-steps,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-main-grid { grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
  .footer-brand-col { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 0 40px; }
  .footer-payment-badge { display: inline-block; }
  .contact-grid { grid-template-columns: 1fr; }

  .trust-items { gap: 20px; }
  .footer-bar { flex-direction: column; text-align: center; }

  h1 { font-size: clamp(2rem, 6vw, 2.8rem); }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .footer-main-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand-col { grid-column: 1 / -1; display: block; }
  .footer-inner { padding: 0 20px; }
  .hero { padding-top: calc(var(--header-h) + 48px); padding-bottom: 72px; }
  .products-section,
  .features-section,
  .system-section,
  .blog-section,
  .cta-section { padding: 72px 0; }
}