/* ===========================
   SIRMA METAL — Design System
   =========================== */

/* --- Tokens --- */
:root {
  --color-primary:    #0D3348;
  --color-secondary:  #1C5F85;
  --color-accent:     #1C5F85;
  --color-accent-light: #4D9CB9;
  --color-steel:      #8FA3AF;
  --color-bg:         #F8FAFC;
  --color-surface:    #FFFFFF;
  --color-surface2:   #F1F5F9;
  --color-foreground: #0F172A;
  --color-muted:      #64748B;
  --color-border:     #E2E8F0;
  --color-white:      #FFFFFF;

  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);
  --shadow-blue: 0 8px 32px rgba(28,95,133,.28);

  --transition: .22s cubic-bezier(.4,0,.2,1);
  --transition-slow: .4s cubic-bezier(.4,0,.2,1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  color: var(--color-foreground);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Typography --- */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }
p { color: var(--color-muted); line-height: 1.75; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--wide { max-width: 1400px; }

/* ===========================
   HEADER / NAV
   =========================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,22,40,.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.site-header.scrolled {
  background: rgba(8,18,34,.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 4px 32px rgba(0,0,0,.35);
  border-bottom-color: rgba(255,255,255,.1);
}
.site-header.scrolled .nav { height: 60px; }
.nav { transition: height .4s cubic-bezier(.16,1,.3,1); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-white);
  letter-spacing: -0.01em;
}
.nav__logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-accent), #1D4ED8);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
}
.nav__logo span { color: var(--color-accent-light); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-white);
  background: rgba(255,255,255,.08);
}
.nav__link.active { color: var(--color-accent-light); }

.nav__cta {
  margin-left: 12px;
  background: var(--color-accent);
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: .875rem !important;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}
.nav__cta:hover {
  background: var(--color-accent-light) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue) !important;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  height: 2px;
  background: rgba(255,255,255,.8);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--color-primary);
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
  overflow-y: auto;
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link {
  font-size: 1.1rem;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #0A1628 0%, #1E3A5F 50%, #0A1628 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  will-change: transform;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__bg-glow {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,.18) 0%, transparent 70%);
  top: -100px; right: -150px;
  border-radius: 50%;
  pointer-events: none;
}
.hero__bg-glow2 {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,.10) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: block;
  padding: 80px 0 60px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,.15);
  border: 1px solid rgba(37,99,235,.3);
  color: var(--color-accent-light);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-accent-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}

.hero__title {
  color: var(--color-white);
  margin-bottom: 20px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--color-accent-light), #93C5FD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  color: rgba(255,255,255,.65);
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero__stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
}
.hero__stat-num span { color: var(--color-accent-light); }
.hero__stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  margin-top: 2px;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__card-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
}
.hero__card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  padding: 28px;
  color: white;
}
.hero__card--main {
  position: relative;
  z-index: 2;
}
.hero__card--back {
  position: absolute;
  top: -16px; left: -16px; right: 16px;
  z-index: 1;
  opacity: .5;
}
.hero__card-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--color-accent), #1D4ED8);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.hero__card h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 8px;
}
.hero__card p {
  color: rgba(255,255,255,.6);
  font-size: .875rem;
}
.hero__card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero__card-dot {
  width: 8px; height: 8px;
  background: #22C55E;
  border-radius: 50%;
}
.hero__card-meta span {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}
.hero__card-meta strong { color: rgba(255,255,255,.8); font-size: .8rem; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
}
.btn--primary {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: #164f6e;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(28,95,133,.38);
}
.btn--outline {
  background: transparent;
  color: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.25);
}
.btn--outline:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.4);
  color: white;
}
.btn--outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn--outline-dark:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--lg { padding: 15px 30px; font-size: 1rem; border-radius: var(--radius-md); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ===========================
   SECTIONS
   =========================== */
.section { padding: 96px 0; }
.section--alt { background: var(--color-surface2); }
.section--dark {
  background: var(--color-primary);
  color: white;
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: white; }
.section--dark p { color: rgba(255,255,255,.6); }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section__tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section__tag--white { color: rgba(255,255,255,.6); }

/* ===========================
   ABOUT (home)
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__visual {
  position: relative;
}
.about__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about__img-placeholder {
  font-size: 6rem;
  opacity: .15;
}
.about__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 16px;
}
.about__badge-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}
.about__badge-text { font-size: .8rem; color: var(--color-muted); line-height: 1.4; }

.about__content h2 { margin-bottom: 20px; }
.about__content p { margin-bottom: 16px; }
.about__features {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.about__feature-icon {
  width: 36px; height: 36px;
  background: rgba(37,99,235,.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}
.about__feature-icon svg { width: 18px; height: 18px; }
.about__feature-text { font-size: .9rem; color: var(--color-muted); padding-top: 6px; line-height: 1.5; }
.about__feature-text strong { color: var(--color-foreground); display: block; margin-bottom: 2px; font-size: .95rem; }

/* ===========================
   PRODUCTS
   =========================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Ürün kartı görseli — img düzgün dolsun */
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37,99,235,.2);
}
.product-card__img {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.product-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10,22,40,.5));
}
.product-card__body { padding: 24px; }
.product-card__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-accent);
  background: rgba(37,99,235,.08);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.product-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-family: var(--font-heading);
}
.product-card__desc {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition);
}
.product-card:hover .product-card__link { gap: 10px; }
.product-card__link svg { width: 16px; height: 16px; }

/* ===========================
   STATS BANNER
   =========================== */
.stats-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { color: white; }
.stat-item__num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item__num span { color: var(--color-accent-light); }
.stat-item__label {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
}

/* ===========================
   WHY CHOOSE US
   =========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: background var(--transition), border-color var(--transition);
}
.feature-item:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(37,99,235,.3);
}
.feature-item__icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(37,99,235,.2), rgba(29,78,216,.3));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}
.feature-item__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  font-family: var(--font-heading);
}
.feature-item__desc {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
}

/* ===========================
   BRANDS / PARTNERS
   =========================== */
.brands {
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.brands__label {
  text-align: center;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-steel);
  margin-bottom: 40px;
}
.brands__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-steel);
  opacity: .6;
  transition: opacity var(--transition);
  letter-spacing: -.01em;
}
.brand-logo:hover { opacity: 1; }

/* ===========================
   CERTIFICATES
   =========================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
/* 7 sertifika için özel düzen */
.certs-grid.certs-grid--7 {
  grid-template-columns: repeat(4, 1fr);
}
.certs-grid.certs-grid--7 > *:nth-child(5),
.certs-grid.certs-grid--7 > *:nth-child(6),
.certs-grid.certs-grid--7 > *:nth-child(7) {
  /* 2. satır 3 kart ortaya hizala */
}
@media (min-width: 1024px) {
  .certs-grid.certs-grid--7 {
    /* 4+3 düzeni */
    grid-template-columns: repeat(4, 1fr);
  }
}
.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cert-card__icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
}
.cert-card__title {
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.cert-card__sub {
  font-size: .8rem;
  color: var(--color-muted);
}

/* ===========================
   CTA BAND
   =========================== */
.cta-band {
  background: linear-gradient(135deg, #0D3348 0%, #1C5F85 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
  top: -300px; right: -100px;
}
.cta-band h2, .cta-band p { color: white; }
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { opacity: .8; margin-bottom: 36px; }
.cta-band .btn--white,
.btn--white {
  background: white;
  color: var(--color-primary);
  font-weight: 700;
}
.cta-band .btn--white:hover,
.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,.2);
}

/* ===========================
   CONTACT (page)
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.contact-info__icon {
  width: 48px; height: 48px;
  background: rgba(37,99,235,.08);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}
.contact-info__icon svg { width: 22px; height: 22px; }
.contact-info__label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.contact-info__val {
  font-size: 1rem;
  color: var(--color-foreground);
  font-weight: 500;
  line-height: 1.5;
}
.contact-info__val a:hover { color: var(--color-accent); }

/* Form */
.form { display: flex; flex-direction: column; gap: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-foreground);
}
.form-label span { color: var(--color-accent); margin-left: 2px; }
.form-control {
  font-family: var(--font-body);
  font-size: .95rem;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-foreground);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}
.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-control::placeholder { color: var(--color-steel); }
textarea.form-control { resize: vertical; min-height: 140px; }

/* ===========================
   PAGE HERO (inner pages)
   =========================== */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(13,51,72,.88) 0%,
    rgba(28,95,133,.75) 50%,
    rgba(13,51,72,.85) 100%
  );
  z-index: 0;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}
.page-hero .container,
.page-hero h1,
.page-hero p,
.page-hero .breadcrumb {
  position: relative;
  z-index: 1;
}
.page-hero h1, .page-hero p { position: relative; z-index: 1; }
.page-hero h1 { color: white; margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,.65); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.breadcrumb a { color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: white; }
.breadcrumb__sep { opacity: .4; }

/* ===========================
   ABOUT PAGE
   =========================== */
.vision-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}
.vm-card {
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.vm-card__icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.vm-card h3 { margin-bottom: 14px; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
}
.team-card__img {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,.2);
}
.team-card__body { padding: 20px 16px; }
.team-card__name { font-weight: 700; color: var(--color-primary); margin-bottom: 4px; font-family: var(--font-heading); }
.team-card__role { font-size: .8rem; color: var(--color-muted); }

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background: var(--color-primary);
  color: white;
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand p {
  color: rgba(255,255,255,.5);
  font-size: .875rem;
  margin: 16px 0 24px;
  line-height: 1.7;
}
.footer__social {
  display: flex;
  gap: 10px;
}
.footer__social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  transition: background var(--transition), color var(--transition);
  font-size: .9rem;
}
.footer__social-link:hover {
  background: var(--color-accent);
  color: white;
}
.footer__social-link svg { width: 16px; height: 16px; }

.footer__col h4 {
  color: white;
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: var(--font-heading);
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-accent-light); }

.footer__contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  align-items: flex-start;
}
.footer__contact-item svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--color-accent-light); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom a { color: rgba(255,255,255,.5); }
.footer__bottom a:hover { color: rgba(255,255,255,.8); }

/* ===========================
   SCROLL TO TOP
   =========================== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px; height: 44px;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 500;
  border: none;
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.scroll-top:hover { background: #1D4ED8; }
.scroll-top svg { width: 20px; height: 20px; }

/* ===========================
   FADE-IN ANIMATION
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   MAP
   =========================== */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 360px;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
}
.map-wrap iframe { width: 100%; height: 100%; border: none; }

/* ===========================
   PRODUCTS PAGE
   =========================== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav__menu { display: none; }
  .nav__hamburger { display: flex; }

  .hero__content {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0;
  }
  .hero__visual { display: none !important; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }

  /* Hero counter row — flex-wrap + küçük gap */
  .hero__counter-row {
    gap: 24px !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 56px; /* Badge'in -20px overflow'u için ekstra boşluk */
  }
  .about__badge { right: 0; bottom: -20px; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form__row { grid-template-columns: 1fr; }

  .vision-mission { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .brands__logos { gap: 28px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  /* İç sayfa hero (hakkımızda, iletişim vb.) */
  .page-hero { padding: 100px 0 56px; }
  .page-hero h1 { font-size: 1.9rem; }

  /* VM kartları mobil */
  .vm-card { padding: 24px; }

  /* Footer bottom wrap */
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .hero__stats { grid-template-columns: 1fr; gap: 16px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  /* Hero counter row — çok küçük ekranda sarmalı etkinleştir */
  .hero__counter-row {
    gap: 16px !important;
    flex-wrap: wrap !important;
  }
  .hero__counter-row > div {
    flex: 1 1 80px;
    text-align: center;
  }

  /* Hakkımızda görseli mobilde tam yükseklik */
  .about__img-wrap {
    aspect-ratio: 4/3;
  }

  /* Stat grid tek sütun küçük mobilde */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-item__num { font-size: 2.2rem; }
}

/* ===========================
   FAQ ACCORDION
   =========================== */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, border-color .25s;
}
.faq-item:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}
.faq-item.open {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.4;
}
.faq-item__q:hover { color: var(--color-accent); }
.faq-item.open .faq-item__q { color: var(--color-accent); }
.faq-item__icon {
  flex-shrink: 0;
  color: var(--color-steel);
  transition: transform .3s cubic-bezier(.16,1,.3,1);
}
.faq-item.open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.16,1,.3,1);
}
.faq-item.open .faq-item__a {
  max-height: 400px;
}
.faq-item__a p {
  padding: 0 24px 22px;
  color: var(--color-muted);
  font-size: .9rem;
  line-height: 1.75;
  margin: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ===========================
   BLOG
   =========================== */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.blog-card__img-wrap {
  display: block;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-card__img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.blog-card:hover .blog-card__img-wrap img { transform: scale(1.06); }
.blog-card__cat {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
}
.blog-card__body { padding: 24px; }
.blog-card__meta {
  display: flex;
  gap: 8px;
  font-size: .78rem;
  color: var(--color-steel);
  margin-bottom: 12px;
}
.blog-card__title {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.35;
}
.blog-card__title a { color: var(--color-primary); }
.blog-card__title a:hover { color: var(--color-accent); }
.blog-card__excerpt {
  font-size: .875rem;
  line-height: 1.65;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: gap .2s;
}
.blog-card__link:hover { gap: 10px; }

/* Blog Post Layout */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.blog-content {
  min-width: 0;
}
.blog-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: .82rem;
  color: var(--color-steel);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.blog-cat {
  background: var(--color-accent);
  color: #fff;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.blog-lead {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--color-foreground);
  font-weight: 400;
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
  margin-bottom: 36px;
}
.blog-content h2 {
  font-size: 1.4rem;
  margin: 36px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}
.blog-content h3 { font-size: 1.15rem; margin: 28px 0 10px; }
.blog-content p { margin-bottom: 18px; }
.blog-content ul {
  list-style: none;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.blog-content ul li {
  padding-left: 22px;
  position: relative;
  font-size: .92rem;
  color: var(--color-muted);
  line-height: 1.65;
}
.blog-content ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.4;
}
.blog-info-box {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: .88rem;
  line-height: 1.65;
  color: #1E3A5F;
  margin: 28px 0;
}
.blog-cta-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-top: 48px;
  text-align: center;
}
.blog-cta-box h3 { color: #fff; margin-bottom: 10px; }
.blog-cta-box p { color: rgba(255,255,255,.75); margin-bottom: 22px; font-size: .9rem; }

/* Sidebar */
.blog-sidebar { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 20px; }
.blog-sidebar__box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.blog-sidebar__box h4 { margin-bottom: 14px; font-size: 1rem; }
.blog-sidebar__box p { font-size: .85rem; margin-bottom: 12px; }
.blog-sidebar__box ul { display: flex; flex-direction: column; gap: 10px; }
.blog-sidebar__box ul li a {
  font-size: .85rem;
  color: var(--color-accent);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.4;
  transition: color .2s;
}
.blog-sidebar__box ul li a::before { content: '›'; font-weight: 700; flex-shrink: 0; }
.blog-sidebar__box ul li a:hover { color: var(--color-primary); }

@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { position: static; }
}

/* ── Home Blog Cards ────────────────────── */
.home-blog-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s;
}
.home-blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(13,51,72,.12);
}
.home-blog-card__img {
  height: 200px;
  overflow: hidden;
}
.home-blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.home-blog-card:hover .home-blog-card__img img {
  transform: scale(1.06);
}
.home-blog-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.home-blog-card__cat {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(28,95,133,.08);
  padding: 4px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.home-blog-card__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.4;
  margin-bottom: 10px;
}
.home-blog-card__desc {
  font-size: .85rem;
  color: var(--color-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}
.home-blog-card__meta {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: .75rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}