/* ==========================================================
   HASEM MAKİNE — Kurumsal Web Sitesi Stilleri
   Tipografi:
     Başlıklar      : "Outfit", sans-serif
     Gövde & Arayüz : "Plus Jakarta Sans", sans-serif
     Rakamlar/Mono  : "JetBrains Mono", monospace
   ========================================================== */

:root {
  /* Renk Paleti (Endüstriyel Güç & Modern Kurumsal) */
  --amber: #FF6A1A;
  --amber-dark: #E65506;
  --amber-light: #FF8838;
  --amber-glow: rgba(255, 106, 26, 0.28);
  
  --blueprint: #2563EB;
  --blueprint-light: #3B82F6;
  
  --charcoal: #111418;
  --charcoal-card: #1A1F26;
  --charcoal-elevated: #242B35;
  --charcoal-border: rgba(255, 255, 255, 0.08);

  --steel: #525D6F;
  --steel-light: #8E9AAB;
  
  --bg-page: #F6F8FA;
  --bg-white: #FFFFFF;
  --border-light: rgba(17, 20, 24, 0.09);

  /* Tipografi */
  --font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Boyutlar & Geçişler */
  --container: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 4px 14px rgba(17, 20, 24, 0.05);
  --shadow-md: 0 14px 30px -8px rgba(17, 20, 24, 0.09);
  --shadow-lg: 0 24px 48px -12px rgba(17, 20, 24, 0.16);
}

/* ---------- Sıfırlama (Reset) & Temel Ayarlar ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition), opacity var(--transition);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Tipografi Temelleri ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--charcoal);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

p {
  color: var(--steel);
}

/* ---------- Ortak Tasarım Bileşenleri ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--blueprint);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.eyebrow.light {
  color: var(--amber);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
  box-shadow: 0 0 10px currentColor;
}

.highlight {
  color: var(--amber);
  position: relative;
  display: inline-block;
}

.highlight-inline {
  color: var(--amber);
}

.section-desc {
  max-width: 620px;
  color: var(--steel);
  font-size: 1.05rem;
  margin-top: 10px;
  line-height: 1.65;
}

.section-desc.light {
  color: #B5BFCD;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.hazard-strip {
  height: 10px;
  background: repeating-linear-gradient(
    45deg,
    var(--charcoal) 0 14px,
    var(--amber) 14px 28px
  );
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  min-height: 48px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--amber);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--amber-glow);
}

.btn-primary:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--amber-glow);
}

.btn-outline {
  background: transparent;
  color: var(--charcoal);
  border: 1.8px solid var(--charcoal);
}

.btn-outline:hover {
  background: var(--charcoal);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--charcoal);
  color: #FFFFFF;
}

.btn-dark:hover {
  background: #000000;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
  min-height: 54px;
}

.btn-block {
  width: 100%;
}

.play-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: -2px;
}

/* ---------- Braket Çerçeve Vurgusu ---------- */
.bracket-frame {
  position: relative;
}

.bracket-frame::before,
.bracket-frame::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--amber);
  opacity: 0.85;
  z-index: 3;
  pointer-events: none;
  transition: width var(--transition), height var(--transition);
}

.bracket-frame::before {
  top: 10px;
  left: 10px;
  border-right: none;
  border-bottom: none;
}

.bracket-frame::after {
  bottom: 10px;
  right: 10px;
  border-left: none;
  border-top: none;
}

.bracket-frame:hover::before,
.bracket-frame:hover::after {
  width: 32px;
  height: 32px;
}

/* ============================================================
   HEADER & NAVBAR
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(246, 248, 250, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  line-height: 1;
}

.logo-text span {
  color: var(--amber);
  display: block;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 3px;
  font-weight: 700;
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--charcoal);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: width var(--transition);
}

.main-nav a:hover {
  color: var(--amber-dark);
}

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

.mobile-nav-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-phone-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.header-phone-link:hover {
  background: rgba(37, 99, 235, 0.06);
}

.phone-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.1);
  color: var(--blueprint);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-text-wrap small {
  display: block;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--steel-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.phone-text-wrap strong {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--charcoal);
  letter-spacing: 0.2px;
}

.header-btn {
  padding: 10px 22px;
  min-height: 42px;
  font-size: 0.88rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(17, 20, 24, 0.04);
}

.nav-toggle span {
  height: 2.5px;
  width: 100%;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.nav-backdrop {
  display: none;
}

/* ============================================================
   HERO BÖLÜMÜ
   ============================================================ */
.hero {
  position: relative;
  background: var(--bg-page);
  overflow: hidden;
}

.hazard-top {
  position: relative;
  z-index: 2;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 64px 24px 84px;
}

.hero-copy h1 {
  margin: 14px 0 20px;
  color: var(--charcoal);
}

.hero-desc {
  max-width: 520px;
  color: var(--steel);
  font-size: 1.08rem;
  line-height: 1.65;
  margin-bottom: 34px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.meta-item strong {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--charcoal);
  display: block;
  line-height: 1;
}

.meta-item span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.5px;
  color: var(--steel);
  text-transform: uppercase;
  margin-top: 6px;
  display: block;
}

.hero-visual {
  position: relative;
}

.hero-photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 440px;
  height: 440px;
  background: var(--charcoal-card);
  box-shadow: var(--shadow-lg);
}

.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 60%;
  filter: saturate(1.08) contrast(1.05);
}

.hero-photo-tint {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    175deg,
    rgba(255, 106, 26, 0.22) 0%,
    transparent 50%,
    rgba(17, 20, 24, 0.65) 100%
  );
}

.hero-badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--charcoal);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 4;
  border: 1px solid var(--charcoal-border);
}

.badge-status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.25);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-badge strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  display: block;
  color: #FFFFFF;
}

.hero-badge small {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.5px;
}

/* ============================================================
   TRUST STRIP (MARQUEE)
   ============================================================ */
.trust-strip {
  background: var(--charcoal);
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.trust-track {
  display: flex;
  align-items: center;
  gap: 40px;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}

.trust-marquee:hover .trust-track {
  animation-play-state: paused;
}

.trust-track span {
  font-family: var(--font-mono);
  color: #D1D8E2;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 0.92rem;
  opacity: 0.65;
  white-space: nowrap;
  transition: opacity var(--transition), color var(--transition);
}

.trust-track span.sep {
  color: var(--amber);
  opacity: 0.8;
  font-size: 0.7rem;
}

.trust-track span:hover {
  opacity: 1;
  color: var(--amber);
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   HAKKIMIZDA
   ============================================================ */
.about {
  padding: 96px 0;
  background: var(--bg-white);
}

.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.about-photo-block {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-photo {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.stat-float {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--amber);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 16px 22px;
  box-shadow: 0 12px 28px rgba(255, 106, 26, 0.4);
  z-index: 4;
}

.stat-float strong {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.stat-float span {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  display: block;
}

.about-copy h2 {
  margin-bottom: 18px;
}

.about-copy > p {
  color: var(--steel);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--charcoal);
  font-weight: 600;
  font-size: 0.98rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 106, 26, 0.15);
  color: var(--amber-dark);
  font-size: 0.78rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   HİZMETLER
   ============================================================ */
.services {
  background: var(--charcoal);
  color: #FFFFFF;
  padding: 96px 0;
}

.services h2 {
  color: #FFFFFF;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--charcoal-card);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  border: 1px solid var(--charcoal-border);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  background: var(--charcoal-elevated);
  border-color: rgba(255, 106, 26, 0.3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 8px 20px var(--amber-glow);
}

.service-card h3 {
  font-size: 1.15rem;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.service-card p {
  color: #A3B1C2;
  font-size: 0.93rem;
  line-height: 1.6;
}

/* ============================================================
   EKİPMANLAR (FİLO)
   ============================================================ */
.equipment {
  padding: 96px 0;
  background: var(--bg-page);
}

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

.equip-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.equip-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 106, 26, 0.3);
}

.equip-media {
  position: relative;
  height: 210px;
  overflow: hidden;
  background: #E8ECEF;
}

.equip-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.equip-card:hover .equip-photo {
  transform: scale(1.05);
}

.equip-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--charcoal);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  z-index: 2;
}

.equip-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.equip-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--charcoal);
}

.equip-card p {
  color: var(--steel);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.equip-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 106, 26, 0.08);
  color: var(--amber-dark);
  font-weight: 700;
  font-size: 0.88rem;
  transition: background var(--transition), transform var(--transition);
}

.equip-action-btn:hover {
  background: var(--amber);
  color: #FFFFFF;
}

/* ============================================================
   İSTATİSTİKLER BANDI
   ============================================================ */
.stats-band {
  background: var(--amber);
  padding: 56px 0;
  color: #FFFFFF;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-card {
  padding: 12px;
}

.stat-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}

.stat-card span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  margin-top: 8px;
  display: block;
  font-weight: 600;
}

/* ============================================================
   NEDEN BİZ
   ============================================================ */
.why-us {
  padding: 96px 0;
  background: var(--bg-white);
}

.why-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.why-copy h2 {
  margin-bottom: 14px;
}

.why-list {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-num {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--amber);
  font-size: 1.2rem;
  line-height: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 106, 26, 0.1);
}

.why-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--charcoal);
}

.why-item p {
  color: var(--steel);
  font-size: 0.93rem;
  line-height: 1.55;
}

.why-visual {
  display: flex;
  justify-content: center;
}

.why-photo-wrap {
  position: relative;
  width: min(100%, 440px);
  height: 440px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.why-photo-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 40%, rgba(17, 20, 24, 0.75));
}

/* ============================================================
   PROJELER
   ============================================================ */
.projects {
  padding: 96px 0;
  background: var(--charcoal);
  color: #FFFFFF;
}

.projects h2 {
  color: #FFFFFF;
}

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

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--charcoal-card);
  border: 1px solid var(--charcoal-border);
  transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 26, 0.4);
}

.project-media {
  height: 220px;
  overflow: hidden;
  background: #202630;
}

.project-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-photo {
  transform: scale(1.05);
}

.project-body {
  padding: 24px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.project-body h3 {
  font-size: 1.18rem;
  color: #FFFFFF;
  margin: 8px 0;
}

.project-body p {
  color: #9AA8BA;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ============================================================
   HASEM GÜVENCESİ (BEYAZ ARKA PLANLI & ŞIK TİPOGRAFİ)
   ============================================================ */
.assurance {
  padding: 96px 0;
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
}

.assurance .eyebrow {
  color: var(--blueprint);
}

.assurance h2 {
  color: var(--charcoal);
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.assurance-card {
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 32px 26px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  display: flex;
  flex-direction: column;
}

.assurance-card:hover {
  transform: translateY(-6px);
  background: #FFFFFF;
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 106, 26, 0.3);
}

.assurance-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(255, 106, 26, 0.12);
  color: var(--amber-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background var(--transition), color var(--transition);
}

.assurance-card:hover .assurance-icon {
  background: var(--amber);
  color: #FFFFFF;
}

.assurance-card h3 {
  font-size: 1.18rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}

.assurance-card p {
  color: var(--steel);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #0B0D10;
  color: #9AA8BA;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 24px 44px;
}

.footer-brand .logo-text {
  color: #FFFFFF;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.92rem;
  color: #7D8B9D;
  max-width: 300px;
  line-height: 1.6;
}

.footer-col h5 {
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.92rem;
  color: #8D9CAB;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--amber);
}

.footer-contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #CBD5E1;
}

.footer-address-text {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #8D9CAB;
  line-height: 1.45;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 0.84rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Yukarı Çık Butonu ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--amber);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
}

.back-to-top:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* ============================================================
   RESPONSIVE & MOBİL OPTİMİZASYONLARI
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .assurance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-inner,
  .why-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .why-visual {
    order: -1;
  }
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 860px) {
  .site-header {
    background: rgba(246, 248, 250, 0.98);
  }
  
  .header-inner {
    height: 72px;
  }

  /* Mobil Menü Çekmecesi */
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 28px;
    border-bottom: 2px solid rgba(17, 20, 24, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.25s;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    width: 100%;
    padding: 15px 4px;
    border-bottom: 1px solid rgba(17, 20, 24, 0.06);
    font-size: 1.05rem;
    font-weight: 700;
  }

  .mobile-nav-cta {
    display: block;
    margin-top: 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-phone-link,
  .header-btn {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 40px 24px 64px;
    gap: 36px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-photo-frame {
    height: 320px;
    min-height: 320px;
  }

  .hero-badge {
    left: 10px;
    bottom: -12px;
    padding: 10px 16px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Menü Arka Plan Blur Katmanı */
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(17, 20, 24, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: block;
  }

  .nav-backdrop.active {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-meta {
    gap: 20px;
  }

  .meta-item strong {
    font-size: 1.6rem;
  }

  .services-grid,
  .equipment-grid {
    grid-template-columns: 1fr;
  }

  .about {
    padding: 64px 0;
  }

  .about-photo {
    height: 300px;
  }

  .why-photo-wrap {
    height: 300px;
  }

  .services,
  .equipment,
  .why-us,
  .projects,
  .assurance {
    padding: 64px 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 48px 18px 32px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 400px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .assurance-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Scroll Görünürlük Animasyonları (Reveal) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}