/* ============================================================
   ISKA BETON – Ana Stil
   ============================================================ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "DM Sans", "Segoe UI", system-ui, sans-serif;
  font-size: 0.9375rem; line-height: 1.65;
  color: #1a2332; background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ── Tokens ── */
:root {
  --navy:      #1b2a52;
  --navy-2:    #24376b;
  --navy-3:    #2e4788;
  --orange:    #f05e1b;
  --orange-dk: #d14a0e;
  --gold:      #8a8d92;
  --surface:   #ffffff;
  --bg:        #f4f6f9;
  --bg2:       #eaecf2;
  --text:      #1a2332;
  --muted:     #5a6678;
  --line:      #dde2ec;
  --r:         10px;
  --r-lg:      16px;
  --r-xl:      22px;
  --max:       1160px;
  --sh-sm:     0 1px 4px rgba(27,42,82,.06);
  --sh:        0 4px 16px rgba(27,42,82,.09);
  --sh-md:     0 10px 36px rgba(27,42,82,.13);
  --sh-lg:     0 20px 64px rgba(27,42,82,.17);
  --dur:       .22s;
  --ease:      cubic-bezier(.4,0,.2,1);
}

/* ── Container ── */
.container { width: min(var(--max), 92%); margin: 0 auto; }

/* ── Utility ── */
.label {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 12px;
}
.heading {
  font-size: clamp(1.55rem, 2.8vw, 2.2rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -.025em; color: var(--text);
}
.heading--light { color: #fff; }
.subtext { font-size: .9375rem; line-height: 1.8; color: var(--muted); }
.subtext--light { color: rgba(255,255,255,.65); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--r);
  font-size: .875rem; font-weight: 700; border: 2px solid transparent;
  cursor: pointer; transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange); color: #fff; border-color: var(--orange);
}
.btn-primary:hover { background: var(--orange-dk); border-color: var(--orange-dk); }
.btn-secondary {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.45);
}
.btn-secondary:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); }
.btn-outline {
  background: transparent; color: var(--navy); border-color: var(--line);
}
.btn-outline:hover { border-color: var(--navy-3); background: var(--bg); }
.btn-navy {
  background: var(--navy); color: #fff; border-color: var(--navy);
}
.btn-navy:hover { background: var(--navy-2); }

/* ── Logo ── */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 44px; height: 44px; background: var(--navy); color: #fff;
  border-radius: var(--r); display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; letter-spacing: -1px;
}
.logo-text .brand { display: block; font-size: 19px; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.logo-text .sub   { display: block; font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.logo-img-wrap { gap: 0; }
.site-logo-img { height: 46px; width: auto; max-width: 220px; object-fit: contain; display: block; }
.site-logo-img--light { filter: brightness(0) invert(1); opacity: .85; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  background: var(--navy); color: rgba(255,255,255,.72);
  font-size: .75rem; font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 6px; padding: 9px 0;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; row-gap: 4px; }
.topbar a { color: rgba(255,255,255,.72); transition: color var(--dur) var(--ease); }
.topbar a:hover { color: #fff; }
.tb-lang {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  padding: 2px 10px; border-radius: 4px; font-size: 11px; font-weight: 700;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255,255,255,.97); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--sh-sm);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 70px; }

nav#main-nav { margin-left: auto; }
nav#main-nav > ul { display: flex; align-items: center; gap: 2px; }
nav#main-nav > ul > li { position: relative; }
nav#main-nav > ul > li > a {
  display: block; padding: 7px 14px; border-radius: 8px;
  font-size: .8125rem; font-weight: 600; color: var(--muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
nav#main-nav > ul > li > a:hover,
nav#main-nav > ul > li > a.active { color: var(--navy); background: var(--bg); }

.has-drop .dropdown {
  display: none; position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 200px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--sh-md); padding: 6px 0; z-index: 300;
}
.has-drop:hover .dropdown { display: block; }
.has-drop > a::after {
  content: '▾'; margin-left: 5px; font-size: 9px; opacity: .55; display: inline-block;
}
.dropdown li a {
  display: block; padding: 9px 16px;
  font-size: .8125rem; font-weight: 500; color: var(--muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.dropdown li a:hover { background: var(--bg); color: var(--navy); }

.drop-toggle { display: none; }

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-teklif {
  background: var(--orange); color: #fff; border-radius: var(--r);
  padding: 9px 20px; font-size: .8125rem; font-weight: 700;
  transition: background var(--dur) var(--ease);
}
.btn-teklif:hover { background: var(--orange-dk); }
.btn-katalog {
  background: transparent; color: var(--navy);
  border: 1.5px solid var(--line); border-radius: var(--r);
  padding: 8px 18px; font-size: .8125rem; font-weight: 700;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn-katalog:hover { border-color: var(--navy-3); background: var(--bg); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 1.5px solid var(--line);
  padding: 10px; border-radius: var(--r); cursor: pointer;
  position: relative; z-index: 310;
}
.hamburger span {
  display: block; width: 20px; height: 2px; background: var(--navy); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(8,24,38,.55);
  z-index: 190; opacity: 0;
  transition: opacity .25s var(--ease);
}
.nav-overlay.show { display: block; opacity: 1; }
body.nav-locked { overflow: hidden; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--navy);
  position: relative;
  padding: 80px 0 88px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.hero-body {
  position: relative; z-index: 1;
  max-width: 720px;
}

.hero-text {
  padding-left: 24px;
  border-left: 3px solid var(--orange);
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
  font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  color: rgba(255,255,255,.72);
}
.hero-brand {
  color: #fff; font-weight: 700;
  padding: 5px 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
}
.hero-divider {
  width: 4px; height: 4px; border-radius: 50%;
  background: rgba(255,255,255,.35);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2rem, 3.8vw, 2.85rem); font-weight: 700;
  line-height: 1.18; letter-spacing: -.025em; color: #fff;
  margin-bottom: 20px;
}
.hero h1 .accent {
  display: block; margin-top: 6px;
  font-weight: 800; color: #fff;
}
.hero-desc {
  font-size: 1.0625rem; line-height: 1.8; color: rgba(255,255,255,.78);
  max-width: 580px; margin-bottom: 22px;
}
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.hero-trust li {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 600; color: rgba(255,255,255,.82);
  padding: 7px 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
}
.hero-trust li::before {
  content: '';
  width: 6px; height: 6px; flex-shrink: 0;
  border-radius: 50%; background: var(--orange);
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Stats band */
.stats-band {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
}
.stat-item {
  background: var(--surface);
  padding: 28px 20px; text-align: center;
}
.stat-item strong {
  display: block; font-size: 1.35rem; font-weight: 800; color: var(--navy);
  letter-spacing: -.02em; line-height: 1; margin-bottom: 6px;
}
.stat-item span {
  font-size: .75rem; color: var(--muted); font-weight: 600;
}

/* ============================================================
   HAKKIMIZDA — iki sütun düz
   ============================================================ */
.about-section { padding: 80px 0; background: var(--surface); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.about-visual {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line);
}
.about-img-main {
  width: 100%; height: 360px;
  background: var(--navy-2);
  position: relative; overflow: hidden;
}
.about-img-main::after {
  content: '';
  position: absolute; inset: auto 0 0 0; height: 45%;
  background: linear-gradient(to top, rgba(13,20,40,.6), transparent);
}
.about-img-main .aim-mark { z-index: 2; }
/* Stat rozetleri üzerine */
.about-stat-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--line);
}
.about-stat {
  padding: 16px; border-right: 1px solid var(--line); text-align: center;
  background: var(--bg);
}
.about-stat:last-child { border-right: none; }
.about-stat strong {
  display: block; font-size: 1.25rem; font-weight: 800; color: var(--navy);
  letter-spacing: -.025em; line-height: 1; margin-bottom: 4px;
}
.about-stat span { font-size: .75rem; font-weight: 600; color: var(--muted); }

/* Sağ metin */
.about-content .heading { margin-bottom: 18px; }
.about-content p { color: var(--muted); font-size: .9375rem; line-height: 1.8; margin-bottom: 14px; }
.about-feats { display: flex; flex-direction: column; gap: 10px; margin: 28px 0 32px; }
.about-feat {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 0; background: none; border-radius: 0;
  border-left: none; font-size: .875rem; font-weight: 500; color: var(--text);
}
.about-feat:hover { background: none; }
.about-feat svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   NEDEN BİZ — açık arka plan
   ============================================================ */
.why-section { padding: 80px 0; background: var(--bg); }
.why-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; margin-bottom: 36px; flex-wrap: wrap;
}
.why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.why-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 24px 20px;
}
.why-icon {
  width: 42px; height: 42px; margin-bottom: 16px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--orange);
}
.why-icon svg { width: 20px; height: 20px; }
.why-card h3 { font-size: .9375rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.why-card p  { font-size: .8125rem; line-height: 1.65; color: var(--muted); }

/* ============================================================
   ÜRÜNLER
   ============================================================ */
.products-section { padding: 80px 0; background: var(--surface); }
.products-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 36px; flex-wrap: wrap;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  display: block;
  transition: border-color var(--dur) var(--ease);
}
.product-card:hover { border-color: var(--navy-3); }

.prod-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }

.prod-bg {
  width: 100%; height: 100%;
}
.product-card:hover .prod-photo { transform: scale(1.03); }
.prod-photo {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .4s var(--ease);
}

.prod-ph.c1 { background: linear-gradient(145deg,#2e4788,#1b2a52); }
.prod-ph.c2 { background: linear-gradient(145deg,#7a6040,#5a4020); }
.prod-ph.c3 { background: linear-gradient(145deg,#3a6050,#204030); }
.prod-ph.c4 { background: linear-gradient(145deg,#50607a,#304050); }
.prod-ph.c5 { background: linear-gradient(145deg,#80604a,#604030); }
.prod-ph.c6 { background: linear-gradient(145deg,#507040,#305030); }
.prod-ph.c7 { background: linear-gradient(145deg,#605080,#403060); }
.prod-ph.c8 { background: linear-gradient(145deg,#405570,#203050); }

/* Normal kartlar */
.prod-body { padding: 16px 18px 18px; }
.prod-body h3 { font-size: .9375rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.prod-body p  { font-size: .8125rem; line-height: 1.6; color: var(--muted); margin-bottom: 10px; }
.prod-tag {
  display: inline-block; padding: 3px 10px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 4px; font-size: .6875rem; font-weight: 600; color: var(--muted);
}

.prod-footer {
  margin-top: 36px; text-align: center;
}

/* ============================================================
   ÇÖZÜMLER — yan yana tam genişlik
   ============================================================ */
.solutions-section { background: var(--surface); }
.solutions-wrapper { display: grid; grid-template-columns: 1fr 1fr; }
.solution-panel {
  position: relative; min-height: 420px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 40px;
  overflow: hidden; color: #fff;
}
.sol-bg {
  position: absolute; inset: 0; z-index: 0;
}
.sol-bg-1 { background: var(--navy-2); }
.sol-bg-2 { background: var(--navy); }
.sol-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(0deg, rgba(7,14,22,.75) 0%, rgba(7,14,22,.2) 100%);
}
.sol-content { position: relative; z-index: 2; }
.sol-num { display: none; }
.sol-badge {
  display: inline-block; margin-bottom: 14px;
  color: var(--orange); padding: 0;
  font-size: .6875rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
}
.solution-panel h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem); font-weight: 900;
  color: #fff; margin-bottom: 12px; letter-spacing: -.025em;
}
.solution-panel > .sol-content > p {
  font-size: .875rem; line-height: 1.8; color: rgba(255,255,255,.7); margin-bottom: 22px; max-width: 380px;
}
.sol-list { margin-bottom: 28px; }
.sol-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .8125rem; color: rgba(255,255,255,.78); padding: 5px 0;
}
.sol-list li::before {
  content: ''; flex-shrink: 0; width: 6px; height: 6px;
  border-radius: 50%; background: var(--orange);
}

/* ============================================================
   TEKNİK KAYNAKLAR
   ============================================================ */
.technical-section { padding: 80px 0; background: var(--bg); }
.tech-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end; margin-bottom: 36px;
}
.tech-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.tech-card {
  border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  display: flex; flex-direction: column;
  transition: border-color var(--dur) var(--ease);
}
.tech-card:hover { border-color: var(--navy-3); }
.tc-top {
  padding: 20px 18px 16px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--navy);
}
.tc-top.orange,
.tc-top.navy,
.tc-top.green,
.tc-top.slate { background: var(--navy); }
.tc-lbl { font-size: .6875rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.tc-icon { color: rgba(255,255,255,.85); }
.tc-icon svg { width: 24px; height: 24px; }
.tc-body { padding: 16px 18px; flex: 1; }
.tc-body h3 { font-size: .875rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.tc-body p  { font-size: .75rem; line-height: 1.6; color: var(--muted); }
.tc-foot {
  padding: 12px 18px; border-top: 1px solid var(--line);
  font-size: .75rem; font-weight: 700; color: var(--orange);
}

/* ============================================================
   STANDARTLAR — navy-2 orta ton
   ============================================================ */
.standards-section {
  padding: 80px 0;
  background: var(--navy);
}
.standards-section > .container { position: relative; z-index: 1; }

.stds-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.stds-left .label { color: var(--orange); }
.stds-left .heading { color: #fff; margin-bottom: 16px; }
.stds-left .subtext { color: rgba(255,255,255,.65); margin-bottom: 28px; }
.stds-nums { display: flex; gap: 28px; flex-wrap: wrap; }
.stds-num strong { display: block; font-size: 1.5rem; font-weight: 800; color: #fff; letter-spacing: -.03em; line-height: 1; margin-bottom: 4px; }
.stds-num span   { font-size: .75rem; color: rgba(255,255,255,.55); font-weight: 600; }

.stds-right { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.std-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r); padding: 18px 16px;
}
.std-badge {
  display: inline-block; margin-bottom: 8px;
  color: var(--orange);
  font-size: .6875rem; font-weight: 700; letter-spacing: .04em;
}
.std-card p { font-size: .8125rem; line-height: 1.55; color: rgba(255,255,255,.65); }

/* ============================================================
   CTA
   ============================================================ */
.cta-section { padding: 80px 0; background: var(--bg); }
.cta-box {
  display: grid; grid-template-columns: 1fr auto;
  gap: 40px; align-items: center;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 48px;
}
.cta-text h2 {
  font-size: clamp(1.25rem, 2vw, 1.75rem); font-weight: 800;
  color: var(--text); letter-spacing: -.02em; margin-bottom: 10px;
}
.cta-text p { color: var(--muted); font-size: .9375rem; line-height: 1.7; max-width: 480px; }
.cta-btns {
  display: flex; flex-direction: column; gap: 10px;
  flex-shrink: 0;
}
.btn-cta-p {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--orange); color: #fff; border-radius: var(--r);
  padding: 14px 28px; font-size: .875rem; font-weight: 700;
  transition: background var(--dur) var(--ease);
}
.btn-cta-p:hover { background: var(--orange-dk); }
.btn-cta-o {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--navy); border-radius: var(--r);
  border: 2px solid var(--line); padding: 12px 28px; font-size: .875rem; font-weight: 700;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn-cta-o:hover { border-color: var(--navy-3); background: var(--bg); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--navy); color: rgba(255,255,255,.72); padding: 56px 0 0;
  border-top: 3px solid var(--orange);
}
.footer-top {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand p {
  font-size: .8125rem; line-height: 1.8; color: rgba(255,255,255,.45);
  margin: 18px 0 22px; max-width: 280px;
}
.footer-brand-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  color: #fff; font-size: .8125rem; font-weight: 700;
  padding: 10px 18px; border-radius: var(--r);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-brand-cta:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); }
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: rgba(255,255,255,.45);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.social-link:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.footer-col h4 {
  position: relative;
  font-size: .6875rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .12em; color: #fff; margin-bottom: 20px;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 26px; height: 2px; background: var(--orange); border-radius: 2px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  font-size: .8125rem; color: rgba(255,255,255,.5);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  padding: 22px 0; display: flex; align-items: center;
  justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: .75rem; color: rgba(255,255,255,.32);
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,.32); transition: color var(--dur) var(--ease); }
.footer-bottom-links a:hover { color: #fff; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid  { grid-template-columns: 1fr; }
  .why-grid    { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .solutions-wrapper { grid-template-columns: 1fr; }
  .tech-intro  { grid-template-columns: 1fr; gap: 20px; }
  .tech-grid   { grid-template-columns: 1fr 1fr; }
  .stds-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-top  { grid-template-columns: 1fr 1fr; }
  .cta-box     { grid-template-columns: 1fr; padding: 36px 28px; gap: 24px; }
  .cta-btns    { flex-direction: row; flex-wrap: wrap; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  nav#main-nav, .header-actions { display: none; }
  .hamburger { display: flex; margin-left: auto; }

  nav#main-nav.open {
    display: block; position: absolute; top: 70px; left: 0; right: 0;
    max-height: calc(100vh - 70px); overflow-y: auto;
    background: var(--bg); border-top: 3px solid var(--orange); border-bottom: 1px solid var(--line);
    box-shadow: var(--sh-md); padding: 6px 0; z-index: 300;
    animation: navReveal .22s var(--ease);
  }
  @keyframes navReveal { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

  nav#main-nav.open > ul { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  nav#main-nav.open > ul > li { border-bottom: 1px solid var(--line); background: var(--surface); }
  nav#main-nav.open > ul > li:last-child { border-bottom: none; }
  nav#main-nav.open > ul > li > a {
    display: block; padding: 15px 20px; border-radius: 0;
    font-size: .9375rem; text-align: left;
  }
  nav#main-nav.open > ul > li > a.active { background: rgba(240,94,27,.08); color: var(--orange); border-left: 3px solid var(--orange); padding-left: 17px; }
  nav#main-nav.open .has-drop > a::after { display: none; }

  nav#main-nav.open .has-drop { display: flex; align-items: stretch; flex-wrap: wrap; }
  nav#main-nav.open .has-drop > a { flex: 1; }
  nav#main-nav.open .drop-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 48px; border: none; background: none; color: var(--muted); cursor: pointer;
    transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  nav#main-nav.open .has-drop.sub-open .drop-toggle { transform: rotate(180deg); color: var(--orange); }
  nav#main-nav.open .dropdown {
    display: none; position: static; width: 100%;
    border: none; border-top: 1px solid var(--line);
    box-shadow: none; border-radius: 0; background: var(--bg); padding: 4px 0;
  }
  nav#main-nav.open .has-drop.sub-open .dropdown { display: block; }
  nav#main-nav.open .dropdown li a { padding: 12px 20px 12px 34px; font-size: .875rem; }

  .hero { padding: 56px 0 64px; }
  .hero-text { padding-left: 18px; }
  .hero-trust { gap: 8px; }
  .why-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .stds-right { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .topbar-inner { flex-direction: column; align-items: flex-start; gap: 4px; padding: 8px 0; }
  .topbar-left, .topbar-right { width: 100%; gap: 12px; }
}
@media (max-width: 480px) {
  .tech-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr; }
  .cta-btns   { flex-direction: column; }
  .topbar a { font-size: 11px; }
  .topbar-left a:nth-child(2) { display: none; }
}

/* ============================================================
   İKONLAR & MİKRO DETAYLAR
   ============================================================ */
.ic { width: 14px; height: 14px; flex-shrink: 0; }
.topbar a,
.footer-col ul li a,
.btn-cta-p { display: inline-flex; align-items: center; gap: 8px; }
.social-link .ic { width: 15px; height: 15px; }

/* Hakkımızda görsel paneli */
.aim-photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.aim-mark {
  position: absolute; z-index: 1; left: 20px; bottom: 16px; text-align: left;
}
.aim-logo {
  display: block; font-size: 1.25rem; font-weight: 800; color: #fff;
  letter-spacing: .1em;
}
.aim-sub {
  display: block; font-size: .6875rem; font-weight: 600;
  color: rgba(255,255,255,.8); letter-spacing: .06em; text-transform: uppercase;
}

/* Ürün görsel dokusu — beton hissi */
.prod-bg { position: relative; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}