/* ==========================================================================
   ÖZDEMİR İRİCAN — KOMBİ • KLİMA • SIHHI TESİSAT | SAKARYA
   Premium Editorial Technical Service Platform
   Pure HTML5 + CSS3 + Vanilla JavaScript
   ========================================================================== */

:root {
  /* Color System */
  --snow: #F7F7F4;
  --snow-soft: #F1F1ED;
  --ink: #171817;
  --muted: #686A66;
  --line: rgba(23, 24, 23, 0.12);

  /* Accents */
  --cold: #A9D7EA;
  --cold-strong: #75BAD8;
  --warm: #D89459;
  --warm-soft: rgba(216, 148, 89, 0.12);
  --water: #79BBD2;

  --whatsapp-green: #25D366;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Easing */
  --ease-editorial: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-slow: 800ms var(--ease-editorial);
  --transition-normal: 400ms var(--ease-editorial);
  --transition-fast: 200ms var(--ease-editorial);

  /* Container */
  --container-max: 1440px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--snow);
  color: var(--ink);
  font-family: var(--font-family);
}

body {
  background-color: var(--snow);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.5;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('../assets/images/atolyebg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

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

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

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

/* ===== Layout Utility ===== */
.container {
  width: min(var(--container-max), calc(100% - 80px));
  margin: 0 auto;
}

.section-label {
  font-size: clamp(11px, 1.1vw, 13px);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  display: inline-block;
  margin-bottom: 1.5rem;
}

.body-text {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--muted);
  font-weight: 400;
  line-height: 1.7;
  text-align: justify;
}

/* ===== Reveal Animation System ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 900ms var(--ease-editorial), transform 900ms var(--ease-editorial);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

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

/* Horizontal slide-in variants */
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 900ms var(--ease-editorial), transform 900ms var(--ease-editorial);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 900ms var(--ease-editorial), transform 900ms var(--ease-editorial);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

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

/* Scale reveal */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 800ms var(--ease-editorial), transform 800ms var(--ease-editorial);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}

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

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 calc((100% - min(var(--container-max), calc(100% - 80px))) / 2);
  background: transparent;
  transition: background var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

.site-header.is-scrolled {
  background: rgba(247, 247, 244, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-transform: uppercase;
}

.header-brand .brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.header-brand .brand-text-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.header-brand .brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #781D35;
  /* Logo Kırmızı/Bordo */
}

.header-brand .brand-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: #6EB9CE;
  /* Logo Buz Mavisi */
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--ink);
  transition: width var(--transition-normal);
}

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

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

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--snow);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.header-cta:hover {
  transform: translateY(-1px);
  background: #333333;
}

.header-cta svg {
  width: 16px;
  height: 16px;
  fill: var(--whatsapp-green);
}

/* ===== HERO SECTION ===== */
.hero-section {
  position: relative;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 0;
  margin-top: -20px;
  padding-bottom: 30px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 660px;
  gap: 40px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.hero-content .section-label {
  margin-bottom: 0.75rem;
}

/* Asymmetric Offset Typography */
.hero-title-group {
  margin-bottom: 1.25rem;
  padding-top: 0.2em;
  padding-bottom: 0.1em;
}

.hero-title-line {
  display: block;
  font-size: clamp(52px, 7vw, 110px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--ink);
  overflow: visible;
}

.hero-title-line.offset {
  padding-left: clamp(40px, 8vw, 120px);
}

/* Hero Entrance Animations */
.hero-reveal-text {
  display: inline-block;
  transform: translateY(100%);
  animation: heroTextReveal 1.1s var(--ease-editorial) forwards;
}

.hero-reveal-text.delay-1 {
  animation-delay: 100ms;
}

@keyframes heroTextReveal {
  0% {
    transform: translateY(100%);
  }

  100% {
    transform: translateY(0);
  }
}

/* Hero Tagline — the big statement */
.hero-tagline {
  font-size: clamp(15px, 1.8vw, 22px);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 540px;
  letter-spacing: -0.01em;
}

.hero-tagline .tagline-accent {
  display: inline-block;
  position: relative;
  vertical-align: bottom;
}

.hero-tagline .tagline-accent::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: #6EB9CE;
  /* Logo Buz Mavisi */
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s var(--ease-editorial);
  transition-delay: 0.6s;
}

.hero-tagline .tagline-accent.warm::after {
  background: #781D35;
  /* Logo Kırmızı/Bordo */
}

.hero-tagline.is-visible .tagline-accent::after,
.hero-tagline .tagline-accent::after {
  transform: scaleX(1);
}

.hero-subtitle {
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.hero-corner-copy {
  max-width: 420px;
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Button Component Styles */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  background: var(--ink);
  color: var(--snow);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  transform: translate(-50%, -50%);
  transition: width 600ms var(--ease-editorial), height 600ms var(--ease-editorial);
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #2a2b2a;
  box-shadow: 0 8px 24px rgba(23, 24, 23, 0.18);
}

.btn-primary .arrow {
  transition: transform var(--transition-fast);
}

.btn-primary:hover .arrow {
  transform: translateX(5px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  background: rgba(23, 24, 23, 0.03);
}

.btn-secondary .arrow {
  transition: transform var(--transition-fast);
}

.btn-secondary:hover .arrow {
  transform: translateX(5px);
}

/* Hero Image Container - Shifted left and slightly higher up */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: -30px;
  margin-right: 0;
  margin-left: -20px;
}

.hero-img-wrapper {
  position: relative;
  width: 100%;
  max-width: 660px;
}

.hero-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.06));
  will-change: transform;
}

/* SVG Airflow Wave Effect — Exact Match to User Hand-Drawn Downward-Leftward Airflow */
.airflow-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 15;
}

.airflow-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Blue Light Beam / Wind Cloud Aura Body */
.wind-cloud-aura {
  fill: url(#cloud-haze-gradient);
  filter: blur(28px);
  opacity: 0.55;
  transform-origin: 300px 300px;
  animation: auraPulse 4s ease-in-out infinite alternate;
}

@keyframes auraPulse {
  0% {
    opacity: 0.45;
    transform: scale(0.97);
  }

  100% {
    opacity: 0.68;
    transform: scale(1.03);
  }
}

.airflow-wave {
  fill: none;
  stroke: url(#cold-wave-gradient);
  stroke-linecap: round;
  stroke-dasharray: 130 400;
  opacity: 0;
  filter: blur(0.8px);
  animation: downwardWindFlow var(--duration, 3.8s) var(--ease-editorial) infinite;
  animation-delay: var(--delay, 0s);
}

.airflow-wave.wave-4 {
  --duration: 3.6s;
  --delay: 0.0s;
  stroke-width: 2.2px;
}

.airflow-wave.wave-5 {
  --duration: 3.3s;
  --delay: 0.25s;
  stroke-width: 2.4px;
}

.airflow-wave.wave-6 {
  --duration: 3.7s;
  --delay: 0.5s;
  stroke-width: 2.0px;
}

.airflow-wave.wave-7 {
  --duration: 3.2s;
  --delay: 0.75s;
  stroke-width: 2.5px;
}

.airflow-wave.wave-8 {
  --duration: 3.9s;
  --delay: 1.0s;
  stroke-width: 2.1px;
}

.airflow-wave.wave-9 {
  --duration: 3.4s;
  --delay: 1.25s;
  stroke-width: 2.3px;
}

.airflow-wave.wave-10 {
  --duration: 4.0s;
  --delay: 1.5s;
  stroke-width: 1.9px;
}

.airflow-wave.wave-11 {
  --duration: 3.3s;
  --delay: 1.75s;
  stroke-width: 2.4px;
}

.airflow-wave.wave-12 {
  --duration: 3.7s;
  --delay: 2.0s;
  stroke-width: 2.1px;
}

.airflow-wave.wave-13 {
  --duration: 3.2s;
  --delay: 2.25s;
  stroke-width: 2.5px;
}

.airflow-wave.wave-14 {
  --duration: 3.8s;
  --delay: 2.5s;
  stroke-width: 2.0px;
}

.airflow-wave.wave-15 {
  --duration: 3.4s;
  --delay: 2.75s;
  stroke-width: 2.3px;
}

.airflow-wave.wave-16 {
  --duration: 3.6s;
  --delay: 3.0s;
  stroke-width: 2.1px;
}

.airflow-wave.wave-17 {
  --duration: 4.1s;
  --delay: 3.25s;
  stroke-width: 2.2px;
}

@keyframes downwardWindFlow {
  0% {
    stroke-dashoffset: 530;
    opacity: 0;
  }

  20% {
    opacity: 0.75;
  }

  75% {
    opacity: 0.65;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

/* Image Fallback Container */
.img-fallback-placeholder {
  width: 100%;
  height: 320px;
  background: var(--snow-soft);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  gap: 8px;
}

/* ===== MARQUEE TICKER ===== */
.marquee-section {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--snow);
}

.marquee-track {
  display: flex;
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.marquee-item {
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
  padding: 0 2rem;
}

.marquee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  opacity: 0.4;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* ===== QUICK CONTACT & LOCATION STRIP (HERO TO INTRO TRANSITION) ===== */
.quick-contact-bar-wrapper {
  margin-top: -25px;
  margin-bottom: 25px;
  position: relative;
  z-index: 20;
}

.quick-contact-bar {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--ink);
  border-radius: 18px;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.05), 0 2px 10px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(23, 24, 23, 0.09);
  transition: transform 0.35s var(--ease-editorial), box-shadow 0.35s var(--ease-editorial), border-color 0.35s var(--ease-editorial);
}

.quick-contact-bar:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.09);
  border-color: rgba(23, 24, 23, 0.15);
}

.contact-bar-item {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s ease;
}

.contact-bar-item:hover {
  transform: scale(1.02);
}

.contact-bar-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(23, 24, 23, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink);
  transition: background 0.3s ease, color 0.3s ease;
}

.contact-bar-icon svg {
  width: 22px;
  height: 22px;
}

.contact-bar-icon.phone-icon-bg {
  background: rgba(2, 136, 209, 0.1);
  color: #0288D1;
}

.contact-bar-icon.wa-icon-bg {
  background: rgba(37, 211, 102, 0.12);
  color: #128C7E;
}

.contact-bar-item:hover .phone-icon-bg {
  background: #0288D1;
  color: #FFFFFF;
}

.contact-bar-item:hover .wa-icon-bg {
  background: #25D366;
  color: #FFFFFF;
}

.contact-bar-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-bar-text .label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact-bar-text .val {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.contact-bar-divider {
  width: 1px;
  height: 36px;
  background: rgba(23, 24, 23, 0.1);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  animation: pulseGlow 2s infinite;
  display: inline-block;
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }

  70% {
    box-shadow: 0 0 0 6px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 992px) {
  .quick-contact-bar {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
    padding: 24px 28px;
  }

  .contact-bar-divider {
    width: 100%;
    height: 1px;
  }
}

/* ===== INTRO SECTION ===== */
.intro-section {
  padding: 80px 0 100px;
  text-align: left;
}

.intro-title {
  font-size: clamp(42px, 6.5vw, 100px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ink);
  max-width: 1100px;
}

/* Animated line draw underneath intro */
.intro-line-draw {
  width: 120px;
  height: 2px;
  background: var(--line);
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

.intro-line-draw::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease-editorial);
}

.intro-line-draw.is-visible::after {
  transform: scaleX(1);
}

/* ===== STATS / TRUST BAND ===== */
.trust-band {
  padding: 100px 0;
  border-top: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.trust-item {
  text-align: left;
}

.trust-number {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.trust-number .unit {
  font-size: 0.5em;
  color: var(--muted);
  font-weight: 500;
}

.trust-desc {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--muted);
  line-height: 1.5;
  max-width: 280px;
}

/* ===== HİZMETLER SECTION (CARD GRID MATCHING SCREENSHOT) ===== */
.services-section {
  padding: 120px 0;
  border-top: 1px solid var(--line);
  background: var(--snow);
}

.services-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.services-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.services-subtitle {
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--muted);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

.services-title-accent {
  width: 50px;
  height: 3px;
  background: #E53935;
  margin: 1.25rem auto 0;
  border-radius: 2px;
}

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

/* Service Card Base (Black & White Default + Vintage Vignette) */
.service-card {
  position: relative;
  border-radius: 16px;
  padding: 44px 32px 38px;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  box-shadow: inset 0 0 35px rgba(0, 0, 0, 0.05), 0 10px 30px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: transform 0.4s var(--ease-editorial),
    box-shadow 0.4s var(--ease-editorial),
    border-color 0.4s var(--ease-editorial),
    background 0.4s var(--ease-editorial);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* Vintage Corner Vignette Effect Overlay */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.07) 100%);
  pointer-events: none;
  transition: opacity 0.4s ease, background 0.4s ease;
  z-index: 1;
}

/* Default State: Sıcak Beyaz (Rich Warm White / Amber-Ivory) for Kombi / Red Theme */
.service-card[data-theme="red"] {
  background-color: #FAF0E4;
  /* Rich Warm Ivory / Sıcak Beyaz */
  border-color: rgba(216, 148, 89, 0.22);
}

/* Default State: Soğuk Beyaz (Cold White / Ice-Cyan Tint) for Klima / Blue Theme */
.service-card[data-theme="blue"] {
  background-color: #EEF6FA;
  /* Cold White / Soğuk Beyaz */
  border-color: rgba(117, 186, 216, 0.22);
}

/* Service Icon Badge Default State: Monochrome (Siyah Beyaz) */
.service-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: #2C2D2C;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background 0.4s ease, color 0.4s ease, transform 0.4s ease, filter 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  z-index: 2;
  filter: grayscale(100%);
}

.service-card-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  transition: background 0.4s ease;
  z-index: 2;
}

.service-card-title,
.service-card-desc {
  position: relative;
  z-index: 2;
  transition: color 0.4s ease;
}

/* ===== HOVER STATES: COLOR BURST TRANSFORMATION ===== */

.service-card:hover {
  transform: translateY(-8px);
}

.service-card:hover::after {
  opacity: 0.4;
}

/* RED / WARM THEME HOVER (Kombi) - Richer & More Vibrant */
.service-card[data-theme="red"]:hover {
  background: linear-gradient(135deg, #FFE4E1 0%, #F8C8C4 100%);
  border-color: rgba(229, 57, 53, 0.5);
  box-shadow: 0 20px 45px rgba(229, 57, 53, 0.28), inset 0 0 35px rgba(229, 57, 53, 0.15);
}

.service-card[data-theme="red"]:hover .service-card-top-bar {
  background: #E53935;
}

.service-card[data-theme="red"]:hover .service-icon-badge {
  background: #E53935;
  color: #FFFFFF;
  filter: grayscale(0%);
  transform: scale(1.12);
  box-shadow: 0 10px 24px rgba(229, 57, 53, 0.45);
}

.service-card[data-theme="red"]:hover .service-card-title {
  color: #B71C1C;
}

/* BLUE / COLD THEME HOVER (Klima) */
.service-card[data-theme="blue"]:hover {
  background: linear-gradient(135deg, #EBF8FF 0%, #D8F0FE 100%);
  border-color: rgba(2, 136, 209, 0.35);
  box-shadow: 0 20px 45px rgba(2, 136, 209, 0.2), inset 0 0 35px rgba(2, 136, 209, 0.08);
}

.service-card[data-theme="blue"]:hover .service-card-top-bar {
  background: #0288D1;
}

.service-card[data-theme="blue"]:hover .service-icon-badge {
  background: #0288D1;
  color: #FFFFFF;
  filter: grayscale(0%);
  transform: scale(1.12);
  box-shadow: 0 8px 20px rgba(2, 136, 209, 0.35);
}

.service-card[data-theme="blue"]:hover .service-card-title {
  color: #0277BD;
}

.service-icon {
  width: 28px;
  height: 28px;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.service-card-desc {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== KLİMA SHOWCASE SECTION ===== */
.showcase-section {
  position: relative;
  padding: 140px 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 50% 50%;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 10;
}

.showcase-title {
  font-size: clamp(42px, 5.5vw, 88px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 2rem;
}

.showcase-body {
  margin-top: 1.5rem;
}

.showcase-body p {
  margin-bottom: 1rem;
  max-width: 680px;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
  text-align: justify;
}

.showcase-body p:last-child {
  margin-bottom: 0;
}

/* Feature list inside showcase */
.showcase-features {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.showcase-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.showcase-feature-item .feat-num {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.showcase-feature-item .feat-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

.showcase-feature-item .feat-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.5;
}

.showcase-items-list {
  display: flex;
  gap: 32px;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.showcase-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

.showcase-item .num {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Giant Decorative Text Behind Appliance */
.decorative-huge-text {
  position: absolute;
  left: -2vw;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22vw;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(23, 24, 23, 0.07);
  pointer-events: none;
  user-select: none;
  z-index: 1;
  line-height: 0.8;
}

/* Showcase visual container with hover lift */
.showcase-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  transform: translateX(35px);
}

.showcase-visual .hero-img-wrapper {
  max-width: 720px;
  width: 100%;
}

.showcase-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.06));
  will-change: transform;
  transition: transform 600ms var(--ease-editorial);
}

.showcase-visual:hover .showcase-img {
  transform: translateY(-6px);
}

/* ===== KOMBİ SHOWCASE SECTION ===== */
.showcase-section.kombi-theme {
  background: linear-gradient(180deg, #F7F7F4 0%, #F8F5F0 50%, #F7F7F4 100%);
}

.showcase-section.kombi-theme .decorative-huge-text {
  right: -2vw;
  left: auto;
}

.showcase-grid.reversed {
  grid-template-columns: 44% 56%;
}

.showcase-grid.reversed .showcase-visual {
  justify-content: flex-start;
  transform: translateX(-40px);
}

.showcase-grid.reversed .showcase-body p {
  max-width: 760px;
}

/* Kombi Warm Light Aura Beam Animation (Sıcaklık Veren Yanıp Sönen Işık Hüzmesi) */
.kombi-visual-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 580px;
}

.kombi-warm-aura {
  position: absolute;
  inset: -25px;
  border-radius: 36px;
  background: radial-gradient(ellipse at center,
      rgba(255, 245, 235, 0.8) 0%,
      rgba(255, 220, 190, 0.45) 35%,
      rgba(229, 57, 53, 0.08) 60%,
      rgba(216, 148, 89, 0.12) 80%,
      transparent 100%);
  filter: blur(28px);
  pointer-events: none;
  z-index: 1;
  opacity: 0.55;
  animation: warmAuraPulse 4s ease-in-out infinite alternate;
}

.kombi-warm-aura::before {
  content: '';
  position: absolute;
  inset: -15px;
  border-radius: 40px;
  background: radial-gradient(circle at 50% 50%,
      rgba(255, 250, 242, 0.85) 0%,
      rgba(255, 228, 210, 0.35) 50%,
      rgba(229, 57, 53, 0.05) 75%,
      transparent 90%);
  filter: blur(22px);
  animation: warmWavePulse 4.5s ease-in-out infinite alternate;
}

@keyframes warmAuraPulse {
  0% {
    opacity: 0.35;
    transform: scale(0.96);
    filter: blur(24px);
  }

  50% {
    opacity: 0.78;
    transform: scale(1.06);
    filter: blur(36px);
  }

  100% {
    opacity: 0.45;
    transform: scale(0.99);
    filter: blur(28px);
  }
}

@keyframes warmWavePulse {
  0% {
    opacity: 0.3;
    transform: scale(0.97);
  }

  100% {
    opacity: 0.72;
    transform: scale(1.08);
  }
}

/* ===== TESİSAT SHOWCASE SECTION ===== */
.showcase-plumbing {
  padding: 140px 0;
  border-top: 1px solid var(--line);
}

.plumbing-header {
  margin-bottom: 4rem;
}

.plumbing-visual-centered {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
}


/* ===== SSS (SIKÇA SORULAN SORULAR) SECTION ===== */
.faq-section {
  background: #171817;
  color: #F7F7F4;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.faq-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(247, 247, 244, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 247, 244, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.faq-header {
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 2;
  text-align: left;
}

.faq-header .section-label {
  color: rgba(247, 247, 244, 0.5);
}

.faq-title {
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: #F7F7F4;
  margin-top: 0.5rem;
}

.faq-subtitle {
  font-size: clamp(16px, 1.4vw, 19px);
  color: rgba(247, 247, 244, 0.55);
  max-width: 600px;
  margin-top: 1rem;
  line-height: 1.6;
}

.faq-accordion-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
  max-width: 980px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.35s ease, background-color 0.35s ease, box-shadow 0.35s ease;
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.045);
}

.faq-item.is-active {
  border-color: rgba(169, 215, 234, 0.4);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.faq-trigger {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  color: #F7F7F4;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.3s ease;
}

.faq-trigger:hover {
  color: #75BAD8;
}

.faq-item.is-active .faq-trigger {
  color: #A9D7EA;
}

.faq-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-editorial), background 0.35s ease;
}

.faq-icon svg {
  width: 18px;
  height: 18px;
  transition: transform 0.35s ease;
}

.faq-item.is-active .faq-icon {
  background: #0288D1;
  color: #FFFFFF;
  transform: rotate(45deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-editorial), opacity 0.35s ease;
  opacity: 0;
}

.faq-item.is-active .faq-content {
  opacity: 1;
}

.faq-content-inner {
  padding: 0 28px 26px 28px;
  font-size: clamp(15px, 1.3vw, 17px);
  color: rgba(247, 247, 244, 0.72);
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 4px;
  padding-top: 18px;
}

.faq-footer-cta {
  margin-top: 3.5rem;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 1.05rem;
  color: rgba(247, 247, 244, 0.6);
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}

.faq-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 30px;
  background: #25D366;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.faq-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
  background: #20BA5A;
}

/* ===== PROCESS / NASIL ÇALIŞIR SECTION ===== */
.process-section {
  padding: 140px 0;
  border-top: 1px solid var(--line);
  background: var(--snow-soft);
}

.process-title {
  font-size: clamp(42px, 5.5vw, 80px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 4rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  counter-reset: process-counter;
}

.process-step {
  counter-increment: process-counter;
  position: relative;
  padding-top: 2rem;
}

.process-step::before {
  content: counter(process-counter, decimal-leading-zero);
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 700;
  color: rgba(23, 24, 23, 0.06);
  position: absolute;
  top: 0;
  left: 0;
  line-height: 1;
}

.process-step-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.75rem;
  margin-top: 2.5rem;
}

.process-step-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Connector line between steps */
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 3.5rem;
  right: -20px;
  width: 40px;
  height: 1px;
  background: var(--line);
}

/* ===== İLETİŞİM CTA SECTION ===== */
.contact-section {
  padding: 180px 0 140px;
  background: var(--snow);
  border-top: 1px solid var(--line);
}

.contact-container {
  max-width: 950px;
}

.contact-heading {
  font-size: clamp(42px, 6.5vw, 100px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 2rem;
}

.contact-body {
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.contact-info-block {
  margin-top: 3.5rem;
  margin-bottom: 3.5rem;
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.contact-info-item .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-info-item .value {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
}

/* ===== ABOUT SECTION ===== */
.about-section {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: 60px;
  align-items: start;
}

.about-body {
  margin-top: 1.5rem;
}

.about-body p {
  margin-bottom: 1rem;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.1rem;
  font-weight: 500;
  transition: padding-left var(--transition-fast);
}

.about-list-item:hover {
  padding-left: 12px;
}

.about-list-item .num {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand .name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
}

.footer-brand .tag {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 4px;
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.whatsapp-floating {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--snow);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-floating:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
}

.whatsapp-floating svg {
  width: 20px;
  height: 20px;
  fill: var(--whatsapp-green);
}

/* ===== SMOOTH SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--ink);
  z-index: 1001;
  transition: none;
}

/* ===== CUSTOM CURSOR FOLLOWER ===== */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--ink);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 300ms, width 300ms var(--ease-editorial), height 300ms var(--ease-editorial), background 300ms;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.cursor-dot.is-active {
  opacity: 1;
}

.cursor-dot.is-hovering {
  width: 40px;
  height: 40px;
  background: rgba(247, 247, 244, 0.9);
}

/* ===== RESPONSIVE ===== */
/* ===== PRICING POPUP MODAL STYLES ===== */
.price-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-editorial);
}

.price-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.price-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 18, 17, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.price-modal-card {
  position: relative;
  width: 90%;
  max-width: 780px;
  max-height: 88vh;
  overflow-y: auto;
  background: #FFFFFF;
  border-radius: 24px;
  padding: 44px 40px 36px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s var(--ease-editorial);
  z-index: 10;
}

.price-modal.is-active .price-modal-card {
  transform: translateY(0) scale(1);
}

.price-modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.price-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: scale(1.08);
}

.price-modal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.price-modal-title {
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-top: 6px;
}

.price-modal-subtitle {
  font-size: 0.92rem;
  color: #E53935;
  font-weight: 600;
  margin-top: 4px;
}

.price-tables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 1.5rem;
}

.price-category-box {
  background: var(--snow);
  border-radius: 16px;
  padding: 22px 20px;
  border: 1px solid var(--line);
}

.price-cat-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-item-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-item-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.price-item-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.price-item-list .item-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
}

.price-item-list .item-name small {
  color: var(--muted);
  font-weight: 400;
  display: block;
}

.price-item-list .item-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.price-item-list .item-price.highlight {
  color: #0288D1;
  font-size: 1.15rem;
}

.price-notice-banner {
  background: #FFF8E1;
  border: 1px solid #FFE082;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.notice-item {
  font-size: 0.85rem;
  font-weight: 500;
  color: #5D4037;
}

/* Base hidden state for mobile-only card images */
.card-mobile-img {
  display: none;
}

/* Hamburger Menu & Mobile Drawer Base Styles */
.mobile-menu-toggle {
  display: none;
}

.mobile-menu-drawer {
  display: none;
}

/* ==========================================================================
   COMPACT & PRECISE MOBILE RESPONSIVENESS (Card Images & Animated Hero Top)
   ========================================================================== */

@media (max-width: 992px) {

  html,
  body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }

  .container {
    width: calc(100% - 32px);
    max-width: 100%;
    margin: 0 auto;
  }

  .site-header {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    width: 100vw !important;
    max-width: 100vw !important;
    z-index: 1000 !important;
    background: rgba(247, 247, 244, 0.94) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 0 16px;
    overflow-x: hidden;
  }

  .header-nav {
    display: none !important;
  }

  .header-cta {
    display: none !important;
  }

  /* Hamburger Toggle Button */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1005;
  }

  .mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2.5px;
    background-color: var(--ink);
    border-radius: 2px;
    transition: all 0.3s var(--ease-editorial);
  }

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

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

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

  /* Cool Side-Sliding Mobile Drawer Menu Overlay */
  .mobile-menu-drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: 85vw;
    max-width: 360px;
    height: 100vh;
    background: rgba(247, 247, 244, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.12);
    z-index: 2000;
    padding: 24px 20px;
    transform: translateX(100%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .mobile-menu-drawer.is-open {
    transform: translateX(0);
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
  }

  .mobile-menu-close {
    font-size: 2.2rem;
    line-height: 1;
    color: var(--ink);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
  }

  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 28px 0;
    flex-grow: 1;
  }

  .mobile-nav-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .mobile-nav-link:hover {
    color: #781D35;
  }

  .mobile-menu-footer {
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }

  /* Compact Hero Section — Visual positioned at the VERY TOP of the page with animations active */
  .hero-section {
    padding: calc(var(--header-height) + 12px) 0 24px;
    min-height: auto;
    overflow: hidden;
  }

  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }

  .hero-visual {
    display: flex !important;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 320px;
    margin: -16px auto 0 auto;
  }

  .hero-visual .hero-img-wrapper {
    max-width: 100%;
    width: 100%;
  }

  /* Hero Klima animation SVG stays active on mobile! */
  .hero-visual .airflow-container,
  .hero-visual .wind-cloud-aura,
  .hero-visual .airflow-wave {
    display: block !important;
  }

  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
  }

  .hero-title-group {
    font-size: clamp(40px, 11vw, 60px);
    text-align: center;
  }

  .hero-title-line.offset {
    padding-left: 0;
  }

  .hero-tagline {
    text-align: center;
    max-width: 100%;
    margin-top: 0.5rem;
    font-size: 0.95rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    gap: 10px;
    margin-top: 1rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 10px 18px;
  }

  /* Ultra-Compact Showcase Sections */
  .showcase-section,
  .services-section,
  .faq-section {
    padding: 24px 0;
    min-height: auto;
    position: relative;
    overflow: hidden;
  }

  .showcase-grid,
  .showcase-grid.reversed {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
  }

  /* External showcase-visual hidden on mobile */
  .showcase-section .showcase-visual {
    display: none !important;
  }

  /* Static Appliance Images INSIDE the Card below section-label on Mobile */
  .card-mobile-img {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0.5rem 0 0.75rem 0;
  }

  .card-mobile-img img {
    max-width: 130px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.08));
  }

  /* Card Container */
  .showcase-content {
    position: relative;
    z-index: 2;
    background: #F7F7F4;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .showcase-body p {
    text-align: justify;
    font-size: 0.95rem;
  }

  .decorative-huge-text {
    display: none !important;
    /* Remove giant text on mobile to prevent overflow */
  }

  .process-section {
    display: none !important;
    /* Hide 'Süreç / Nasıl çalışırız' section on mobile as requested */
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card {
    min-height: 280px;
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }

  .footer-col {
    align-items: center;
  }

  .contact-info-block {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .cursor-dot {
    display: none !important;
  }
}

/* ===== PREFERS-REDUCED-MOTION ===== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }

  .airflow-line,
  .heat-line,
  .pipe-flow-path {
    animation: none !important;
    opacity: 0.5 !important;
  }

  .marquee-track {
    animation: none !important;
  }

  .cursor-dot {
    display: none !important;
  }
}

/* ===== WATER DROP PRELOADER SCREEN ===== */
.preloader-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: #F7F7F4;
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s var(--ease-editorial), visibility 0.5s var(--ease-editorial);
}

.preloader-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.water-drop-wrapper {
  width: 70px;
  height: 90px;
  position: relative;
}

/* Light blue glowing aura/beam behind the water drop (2.3s opacity build-up) */
.water-drop-wrapper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%) scale(0.6);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 185, 206, 0.55) 0%, rgba(75, 181, 211, 0.3) 40%, rgba(1, 87, 155, 0.12) 65%, transparent 80%);
  filter: blur(28px);
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  animation: preloaderAuraGlow 2.3s ease-in-out forwards;
}

@keyframes preloaderAuraGlow {
  0% {
    opacity: 0.20;
    transform: translate(-50%, -50%) scale(0.6);
  }
  100% {
    opacity: 0.90;
    transform: translate(-50%, -50%) scale(1.15);
  }
}

.water-drop-svg {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.drop-outline {
  stroke-width: 4.5px;
}

/* Liquid fill & wave animation (2s fill time + wave slosh) */
.liquid-wave {
  animation: liquidFill 2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards,
             liquidWaveMotion 2.2s ease-in-out infinite alternate;
}

@keyframes liquidFill {
  0% {
    transform: translateY(130px);
  }
  70% {
    transform: translateY(15px); /* Sloshes & fills up smoothly */
  }
  100% {
    transform: translateY(0px); /* Fully filled water drop */
  }
}

@keyframes liquidWaveMotion {
  0% {
    d: path("M-100,0 C-50,-18 0,18 50,0 C100,-18 150,18 200,0 V150 H-100 Z");
  }
  100% {
    d: path("M-100,0 C-50,18 0,-18 50,0 C100,18 150,-18 200,0 V150 H-100 Z");
  }
}

/* Monochrome brand text under drop */
.preloader-brand-text {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: #171817;
  text-transform: uppercase;
  opacity: 0;
  animation: brandTextFade 0.6s ease 0.2s forwards;
}

@keyframes brandTextFade {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Animated Words */
.animated-words {
  display: inline-grid;
}

.animated-words .word {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(-20px);
  /* Use the editorial easing from the root or a nice spring curve */
  animation: slideWord 6s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

.animated-words .word:nth-child(1) { animation-delay: 0s; }
.animated-words .word:nth-child(2) { animation-delay: 2s; }
.animated-words .word:nth-child(3) { animation-delay: 4s; }

@keyframes slideWord {
  0% { opacity: 0; transform: translateY(-20px); }
  2.5% { opacity: 1; transform: translateY(0); }
  33.33% { opacity: 1; transform: translateY(0); }
  35.83% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 0; transform: translateY(20px); }
}