/* ============================================================
   ELİT SSH KOMBİ KLİMA - MODERN EDİTÖRYAL STİL SİSTEMİ
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --color-black:        #111110;
  --color-gray:         #737370;
  --color-gray-light:   #AAAAAA;
  --color-border:       #E5E4E0;
  --color-off-white:    #F7F6F3;
  --color-white:        #FFFFFF;
  --color-accent:       #1A3A5C;
  --color-accent-light: #E8EFF6;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container-max: 1200px;
  --container-pad: 1.5rem;
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 72px;
}

@media (min-width: 640px) {
  :root {
    --container-pad: 2rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-pad: 3rem;
    --header-height: 80px;
  }
}

/* ============================================================
   BASE RESET & COMPOSITING
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video, canvas {
  display: block;
  max-width: 100%;
  transform: translateZ(0);
  backface-visibility: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

::selection {
  background-color: var(--color-accent);
  color: var(--color-white);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-off-white);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-light);
}

/* ============================================================
   LAYOUT CONTAINER
   ============================================================ */
.container-layout {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.separator {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.font-mono {
  font-family: var(--font-mono);
}

.text-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

.text-display-2xl {
  font-size: clamp(2.4rem, 6.2vw, 5.25rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.text-display-xl {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.text-display-lg {
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.text-body-lg {
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  line-height: 1.6;
}

.text-body-md {
  font-size: 0.95rem;
  line-height: 1.55;
}

.text-caption {
  font-size: 0.825rem;
  line-height: 1.45;
}

/* ============================================================
   REVEAL ANIMATIONS (IntersectionObserver)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-smooth);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.03);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon-box {
  width: 34px;
  height: 34px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.25s;
}

.brand-link:hover .brand-icon-box {
  border-color: var(--color-black);
}

.brand-text-col {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text-sub {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-gray);
}

.brand-text-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

.desktop-nav {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }
}

.nav-link-item {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-gray);
  font-weight: 400;
  transition: color 0.25s;
  padding: 4px 0;
}

.nav-link-item:hover {
  color: var(--color-black);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-phone-cta {
  display: none;
}

@media (min-width: 640px) {
  .header-phone-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    background-color: var(--color-black);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background-color 0.25s;
  }
  .header-phone-cta:hover {
    background-color: var(--color-accent);
  }
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 4px;
  color: var(--color-black);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background-color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px var(--container-pad) 36px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth), visibility 0.3s;
}

.mobile-drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-nav {
  padding: 32px 0;
  display: flex;
  flex-direction: column;
}

.mobile-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 24px;
  font-weight: 300;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 32px);
  padding-bottom: 56px;
  background-color: var(--color-white);
  overflow: hidden;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .hero-section {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 80px;
  }
}

.hero-canvas-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  mix-blend-mode: multiply;
}

.hero-depth-gradient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 65% 55% at 80% 25%, rgba(26,58,92,0.035) 0%, transparent 75%);
}

.hero-telemetry-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-gray);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.pulse-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  animation: pulseAnimation 2s infinite ease-in-out;
}

@keyframes pulseAnimation {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.3); }
}

.hero-heading-block {
  padding: 36px 0 28px;
  max-width: 960px;
}

.hero-title-light {
  display: block;
  font-weight: 300;
  color: rgba(17, 17, 16, 0.92);
}

.hero-title-normal {
  display: block;
  font-weight: 400;
  color: var(--color-black);
}

.hero-title-gray {
  display: block;
  font-weight: 300;
  color: var(--color-gray);
}

.hero-lower-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: flex-end;
  padding-top: 16px;
}

@media (min-width: 1024px) {
  .hero-lower-grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }
}

.hero-copy {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--color-gray);
  font-weight: 300;
  max-width: 38ch;
  line-height: 1.6;
}

.action-cluster {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@media (min-width: 640px) {
  .action-cluster {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
}

@media (min-width: 1024px) {
  .action-cluster {
    justify-content: flex-end;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 2px;
  transition: all 0.25s var(--ease-smooth);
}

.btn-primary:hover {
  background-color: var(--color-accent);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-black);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 2px;
  transition: all 0.25s var(--ease-smooth);
}

.btn-secondary:hover {
  border-color: var(--color-black);
  background-color: var(--color-off-white);
}

/* ============================================================
   3D MAP & TEKNİK ANALİZ SECTION
   ============================================================ */
.section-analysis {
  position: relative;
  background-color: var(--color-white);
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .section-analysis {
    padding: 120px 0;
  }
}

.analysis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .analysis-grid {
    grid-template-columns: 5fr 7fr;
    gap: 64px;
  }
}

.methodology-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 36px;
  margin-top: 36px;
  border-top: 1px solid var(--color-border);
}

.map-visual-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 2px;
}

.map-visual-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.7s var(--ease-smooth);
}

.map-visual-img:hover {
  transform: scale(1.02);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.section-services {
  padding: 80px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .section-services {
    padding: 120px 0;
  }
}

.section-header-row {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.service-row-item {
  display: flex;
  flex-direction: column;
  padding: 36px 12px;
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s var(--ease-smooth);
}

@media (min-width: 1024px) {
  .service-row-item {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 48px 24px;
  }
}

.service-row-item:hover {
  background-color: rgba(247, 246, 243, 0.6);
  transform: translateX(4px);
}

.service-title-group {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  max-width: 540px;
}

@media (min-width: 640px) {
  .service-title-group {
    align-items: center;
    gap: 36px;
  }
}

.service-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray-light);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.service-name {
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  font-weight: 300;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.service-desc {
  font-size: 1rem;
  color: var(--color-gray);
  font-weight: 300;
  line-height: 1.6;
  max-width: 44ch;
  margin-top: 12px;
}

@media (min-width: 1024px) {
  .service-desc {
    margin-top: 0;
    text-align: right;
  }
}

/* ============================================================
   WHY CHOOSE US SECTION (2x2 Matrix)
   ============================================================ */
.section-why {
  padding: 80px 0;
  background-color: var(--color-off-white);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .section-why {
    padding: 130px 0;
  }
}

.why-matrix {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .why-matrix {
    grid-template-columns: 1fr 1fr;
  }
}

.why-card {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .why-card {
    padding: 60px 48px;
  }
  .why-card:nth-child(even) {
    border-left: 1px solid var(--color-border);
    padding-left: 48px;
  }
  .why-card:nth-child(odd) {
    padding-right: 48px;
  }
  .why-card:nth-child(3),
  .why-card:nth-child(4) {
    border-bottom: none;
  }
}

.why-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.why-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-border);
}

.why-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: 16px;
}

.why-text {
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  color: var(--color-gray);
  font-weight: 300;
  line-height: 1.6;
  max-width: 36ch;
}

/* ============================================================
   LOCATION & SAHA SECTION
   ============================================================ */
.section-location {
  padding: 80px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .section-location {
    padding: 130px 0;
  }
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: flex-start;
}

@media (min-width: 1024px) {
  .location-grid {
    grid-template-columns: 5fr 7fr;
    gap: 64px;
  }
}

.map-container {
  width: 100%;
  height: 380px;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: 32px;
  background-color: var(--color-off-white);
}

@media (min-width: 640px) {
  .map-container {
    height: 440px;
  }
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(40%);
  transition: filter 0.4s;
}

.map-iframe:hover {
  filter: grayscale(0%);
}

.location-details-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .location-details-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
.section-cta {
  padding: 100px 0;
  background-color: var(--color-off-white);
  border-top: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .section-cta {
    padding: 140px 0;
  }
}

.giant-phone-link {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 7vw, 5.5rem);
  font-weight: 300;
  color: var(--color-black);
  letter-spacing: -0.03em;
  line-height: 1;
  display: inline-block;
  transition: color 0.25s;
  margin: 12px 0 36px;
}

.giant-phone-link:hover {
  color: var(--color-accent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-off-white);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 100px;
}

@media (min-width: 768px) {
  .site-footer {
    padding: 80px 0;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
  }
}

/* ============================================================
   MOBILE STICKY BOTTOM QUICK ACTION BAR
   ============================================================ */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: 10px 16px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.04);
}

@media (min-width: 768px) {
  .mobile-bottom-bar {
    display: none;
  }
}

.mobile-bottom-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-bottom-btn {
  flex: 1;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 2px;
  transition: all 0.2s;
}

.mobile-bottom-btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
}

.mobile-bottom-btn-secondary {
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
  color: var(--color-black);
}