/* ==========================================================================
   Polar Meteoroloji — Antrasit & Gold Prestij Design System
   ========================================================================== */

:root {
  /* Antrasit & Gold Palet */
  --color-navy: #12161A;         /* Primary Dark Anthracite / Carbon */
  --color-dark-slate: #171B20;   /* Deep Slate Anthracite Surface */
  --color-card-bg: #1B1F26;      /* Glassmorphism Card Surface */
  --color-card-hover: #222731;   /* Hover State Card Surface */
  
  --color-gold: #D4AF37;         /* Imperial Metallic Gold */
  --color-gold-light: #F3E5AB;   /* Champagne / Warm Light Gold */
  --color-gold-muted: #C5A059;   /* Muted Antique Gold */
  --color-gold-glow: #E6C280;    /* Soft Glowing Gold */
  --color-cyan: #E6C280;         /* Soft Gold Glow for legacy classes */
  --color-ice-blue: #D4C5A9;     /* Warm Metallic Champagne Accent */
  --color-blue: #D4AF37;         /* Replaced main blue with Gold */
  
  --color-white: #FFFFFF;        /* Pure White */
  --color-text: #F4F4F6;         /* Bright Platinum Text */
  --color-muted: #9BA3AF;        /* Muted Metallic Grey */
  --color-ice: #171B20;          /* Dark Anthracite Section Background */
  --color-border: rgba(212, 175, 55, 0.25); /* Subtle Metallic Gold Border */
  --color-border-subtle: rgba(255, 255, 255, 0.08);

  --color-green: #22C55E;        /* Status Emerald Green */
  --color-warning: #EAB308;      /* Gold Warning */

  --font-heading: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 20px rgba(212, 175, 55, 0.15);

  --header-height: 72px;
  --topbar-height: 40px;
  --ticker-height: 32px;
  --transition: 0.25s ease;
  --container: min(1200px, 100% - 2rem);
  --mobile-cta-height: 56px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
html {
  font-size: 90%; /* Scales 1rem to 14.4px on desktop */
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--topbar-height) + var(--ticker-height) + 1rem);
  overflow-x: clip;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-navy);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.menu-open { /* overflow: hidden removed to fix iOS jump to top */ }
body.has-mobile-cta { padding-bottom: var(--mobile-cta-height); }

img, svg { display: block; max-width: 100%; }
a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(1.5rem, 5vw, 2.75rem); font-weight: 700; color: var(--color-white); }
h2 { font-size: clamp(1.35rem, 4vw, 2.125rem); color: var(--color-white); }
h3 { font-size: clamp(1.125rem, 3vw, 1.5rem); color: var(--color-gold-light); }

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-gold);
  color: var(--color-navy);
  border-radius: var(--radius-sm);
  font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.icon { width: 20px; height: 20px; flex-shrink: 0; }
.icon--xs { width: 14px; height: 14px; }
.icon--sm { width: 16px; height: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
  color: #12161A;
  font-weight: 700;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}
.btn--primary:hover {
  color: #12161A;
  background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 100%);
  box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
}
.btn--secondary {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold-light);
  border-color: rgba(212, 175, 55, 0.35);
}
.btn--secondary:hover {
  background: rgba(212, 175, 55, 0.2);
  border-color: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}
.btn--outline-light {
  background: transparent;
  color: var(--color-gold-light);
  border-color: rgba(212, 175, 55, 0.4);
}
.btn--outline-light:hover {
  border-color: var(--color-gold);
  color: var(--color-white);
  background: rgba(212, 175, 55, 0.15);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.25);
}
.btn--ghost, .btn--ghost-light {
  background: transparent;
  color: var(--color-gold-glow);
  border-color: transparent;
}
.btn--ghost-light:hover { color: var(--color-gold-light); }
.btn--ghost { color: var(--color-gold); }
.btn--full { width: 100%; }
.btn--nav { padding: 0.625rem 1.25rem; font-size: 0.875rem; }

/* Top Bar */
.top-bar {
  background: #0D1014;
  color: var(--color-muted);
  font-size: 0.8125rem;
  min-height: var(--topbar-height);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}
.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--topbar-height);
  flex-wrap: wrap;
  padding-block: 0.35rem;
}
.top-bar__left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}
.top-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-muted);
  text-decoration: none;
}
.top-bar__item:hover { color: var(--color-gold-light); }
.top-bar__item .icon { color: var(--color-gold); }
.top-bar__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.top-bar__social { display: flex; gap: 0.5rem; }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.social-link:hover { color: var(--color-gold); background: rgba(212, 175, 55, 0.15); }
.lang-switch { display: flex; align-items: center; gap: 0.25rem; }
.lang-switch__btn {
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
}
.lang-switch__btn.is-active { color: var(--color-gold); font-weight: 700; }
.lang-switch__btn:disabled { opacity: 0.4; cursor: not-allowed; }
.lang-switch__sep { color: rgba(155, 163, 175, 0.4); font-size: 0.7rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(18, 22, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  transition: padding var(--transition), box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  background: rgba(18, 22, 26, 0.96);
  border-bottom-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
}
.site-header.is-scrolled .site-header__inner { min-height: 60px; }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
  transition: min-height var(--transition);
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.15;
}
.logo__brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-gold-light);
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.25);
}
.logo__tagline {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-gold-muted);
  letter-spacing: 0.02em;
}
.logo--footer .logo__brand { color: var(--color-gold-light); }
.logo--footer .logo__tagline { color: var(--color-gold-muted); }

.main-nav { display: flex; align-items: center; }
.main-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.main-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.85rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: rgba(244, 244, 246, 0.95);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  border-radius: var(--radius-sm);
  text-decoration: none;
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
  transition: all var(--transition);
}
.main-nav__link:hover,
.main-nav__link.is-active { 
  color: var(--color-gold); 
  background: rgba(212, 175, 55, 0.1); 
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.8), 0 0 24px rgba(212, 175, 55, 0.5);
}
.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  padding: 0.5rem;
  background: #171B20;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(212, 175, 55, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}
.has-dropdown.is-open .dropdown,
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}
.dropdown a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}
.dropdown a:hover { background: rgba(212, 175, 55, 0.15); color: var(--color-gold-light); }

.desktop-cta { display: inline-flex; }
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-gold-light);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.is-visible { display: block; opacity: 1; }
.mobile-nav__contact,
.mobile-nav__cta { display: none; }

/* Hero */
.hero {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  min-height: min(92vh, 880px);
  padding: var(--space-3xl) 0 var(--space-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hero video slider */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slider__track {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}
.hero-slide__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.7) contrast(1.1);
}
.hero-slide__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(18, 22, 26, 0.96) 0%, rgba(18, 22, 26, 0.8) 42%, rgba(18, 22, 26, 0.55) 68%, rgba(212, 175, 55, 0.25) 100%),
    linear-gradient(to top, rgba(18, 22, 26, 0.9) 0%, transparent 45%);
}
.hero-slide__caption {
  position: absolute;
  right: 1.5rem;
  bottom: 5.5rem;
  z-index: 2;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 100px;
  background: rgba(18, 22, 26, 0.75);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}
.hero-slide.is-active .hero-slide__caption {
  opacity: 1;
  transform: translateY(0);
}

.hero-slider__controls {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1rem;
  width: var(--container);
  justify-content: center;
  pointer-events: none;
}
.hero-slider__controls > * { pointer-events: auto; }
.hero-slider__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 50%;
  background: rgba(18, 22, 26, 0.75);
  color: var(--color-gold-light);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.hero-slider__btn:hover {
  background: rgba(212, 175, 55, 0.3);
  border-color: var(--color-gold);
  transform: scale(1.08);
}
.hero-slider__btn svg { width: 20px; height: 20px; }
.hero-slider__dots {
  display: flex;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: rgba(18, 22, 26, 0.65);
  border-radius: 100px;
  border: 1px solid rgba(212, 175, 55, 0.25);
  backdrop-filter: blur(8px);
}
.hero-slider__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(244, 244, 246, 0.35);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), width var(--transition);
}
.hero-slider__dot.is-active {
  background: var(--color-gold);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
  width: 28px;
  border-radius: 100px;
}
.hero-slider__dot:hover:not(.is-active) { background: rgba(244, 244, 246, 0.6); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 20%, transparent 85%);
  pointer-events: none;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  flex: 1;
  padding-top: 2rem;
}
.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}
.hero__subtitle {
  margin: var(--space-lg) auto 0 auto;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(244, 244, 246, 0.85);
  max-width: 700px;
}

@media (max-width: 768px) {
  .hero__eyebrow {
    margin-bottom: 2rem !important;
  }
  .hero__subtitle {
    margin-top: 2rem !important;
    margin-bottom: 2rem !important;
  }
  .hero__actions {
    margin-top: 2.5rem !important;
  }
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: var(--space-xl);
}
.hero__badges {
  position: relative;
  z-index: 1;
  margin-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}
.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
}
.badge-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(244, 244, 246, 0.8);
}
.badge-list .icon { color: var(--color-gold); }

/* Hero media panel */
.hero__media-panel {
  position: relative;
  z-index: 2;
}
.hero__media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  background: rgba(18, 22, 26, 0.6);
}
.hero__media-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(18, 22, 26, 0.75) 100%);
}
.hero__media-frame-inner {
  aspect-ratio: 16 / 10;
  min-height: 280px;
}
.hero__mirror-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero__media-chips {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 3;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.hero__chip {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 100px;
  background: rgba(18, 22, 26, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: rgba(244, 244, 246, 0.85);
  backdrop-filter: blur(6px);
}
.hero__chip--cyan {
  border-color: rgba(212, 175, 55, 0.5);
  color: var(--color-gold-light);
}

/* Sections */
.section {
  padding: var(--space-4xl) 0;
}
.section--ice {
  background: #171B20;
}
.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}
.section-header {
  max-width: 720px;
  margin-bottom: var(--space-2xl);
  text-align: center;
  margin-inline: auto;
}
.section-header p {
  margin-top: var(--space-md);
  color: var(--color-muted);
  font-size: 1.0625rem;
}
.section-header--light h2 { color: var(--color-gold-light); }
.section-header--light p { color: rgba(244, 244, 246, 0.75); }

/* Hero Glass Partners Strip */
.hero {
  padding-bottom: 0; /* Remove bottom padding to let glass panel sit at the edge */
}
.hero__badges {
  margin-bottom: var(--space-4xl);
}
.hero__partners {
  width: 100%;
  margin-top: auto;
  padding: 1.5rem 0;
  background: rgba(18, 22, 26, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  position: relative;
  z-index: 10;
}
.partners__grid {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding: 0 1rem;
}
.partners__grid::-webkit-scrollbar {
  display: none;
}
.partners__logo {
  max-height: 40px;
  max-width: 140px;
  object-fit: contain;
  /* Koyu temada şık durması için siyahları beyaza çeviren, beyaz arkaplanı şeffaf yapan filtre */
  filter: invert(1) grayscale(100%) opacity(0.7);
  mix-blend-mode: screen;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.partners__logo:hover {
  /* Orjinal renkleri göster ve beyaz arkaplanın (eğer varsa) dönmesine izin ver */
  filter: invert(0) grayscale(0%) opacity(1);
  mix-blend-mode: normal;
  transform: scale(1.08);
}

/* Trust */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}
.logo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-gold-light);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.logo-placeholder:hover {
  border-color: var(--color-gold);
  background: #222731;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

/* Solution cards */
.card-grid {
  display: grid;
  gap: 1.25rem;
}
.card-grid--solutions {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card-grid--sectors {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
  .card-grid--sectors {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .card-grid--sectors {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .card-grid--sectors {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
}
.solution-card {
  position: relative;
  padding: 1.25rem;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition), background var(--transition);
  overflow: hidden;
}
.solution-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.solution-card:hover, .solution-card.is-active {
  border-color: rgba(212, 175, 55, 0.6);
  background: #222731;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.15);
  transform: translateY(-3px);
}
.solution-card:hover::after, .solution-card.is-active::after { opacity: 1; }
.solution-card__bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: opacity 0.5s ease;
  z-index: 0;
  pointer-events: none;
  border-radius: var(--radius-lg);
}
.solution-card:hover .solution-card__bg-video, .solution-card.is-active .solution-card__bg-video {
  opacity: 0.70;
}
.solution-card__icon,
.solution-card h3,
.solution-card p {
  position: relative;
  z-index: 1;
}

.solution-card__icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--color-gold-light);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-sm);
}
.solution-card__icon svg { width: 24px; height: 24px; }
.solution-card__icon--green { color: var(--color-green); background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.25); }
.solution-card__icon--warn { color: var(--color-warning); background: rgba(234, 179, 8, 0.12); border-color: rgba(234, 179, 8, 0.25); }
.solution-card h3 { margin-bottom: 0.5rem; color: var(--color-white); }
.solution-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}
.card-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gold);
}
.card-link:hover { color: var(--color-gold-light); }

/* Sectors */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.sector-card {
  position: relative;
  min-height: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  cursor: default;
  transition: border-color var(--transition);
}
.sector-card:hover { border-color: var(--color-gold); }
.sector-card__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(18, 22, 26, 0.95)),
    repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(212, 175, 55, 0.03) 20px, rgba(212, 175, 55, 0.03) 21px);
}
.sector-card:nth-child(1) .sector-card__bg { background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(18, 22, 26, 0.95)); }
.sector-card:nth-child(2) .sector-card__bg { background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(18, 22, 26, 0.95)); }
.sector-card:nth-child(4) .sector-card__bg { background: linear-gradient(135deg, rgba(234, 179, 8, 0.18), rgba(18, 22, 26, 0.95)); }
.sector-card__content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: padding var(--transition);
}
.sector-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: 0.75rem;
  color: var(--color-gold-light);
}
.sector-card__icon svg { width: 28px; height: 28px; }
.sector-card__icon--green { color: var(--color-green); }
.sector-card__icon--warn { color: var(--color-warning); }
.sector-card h3 { color: var(--color-white); margin-bottom: 0.35rem; }
.sector-card__short {
  font-size: 0.875rem;
  color: var(--color-gold-muted);
  margin-bottom: 0;
  transition: opacity var(--transition), max-height var(--transition);
}
.sector-card__detail {
  font-size: 0.875rem;
  color: rgba(244, 244, 246, 0.85);
  margin-top: 0.5rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease;
}
.sector-card:hover .sector-card__short { opacity: 0; max-height: 0; margin: 0; }
.sector-card:hover .sector-card__detail {
  max-height: 120px;
  opacity: 1;
  margin-top: 0.5rem;
}

/* Technology pipeline */
.pipeline {
  display: flex;
  align-items: stretch;
  gap: 0.25rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: var(--space-2xl);
  scrollbar-width: thin;
}
.pipeline__step {
  flex: 1;
  min-width: 160px;
  padding: 1.25rem;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
}
.pipeline__step--highlight {
  border-color: var(--color-gold);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.15), #1B1F26);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}
.pipeline__node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-gold);
  color: var(--color-navy);
  border-radius: 50%;
  margin-bottom: 0.75rem;
}
.pipeline__step h3 { font-size: 0.9375rem; margin-bottom: 0.5rem; color: var(--color-white); }
.pipeline__step ul li {
  font-size: 0.8125rem;
  color: var(--color-muted);
  padding: 0.15rem 0;
  padding-left: 0.75rem;
  position: relative;
}
.pipeline__step ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
}
.pipeline__arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-gold);
  width: 32px;
}
.pipeline__arrow svg { width: 32px; height: 24px; }

.tech-layers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.tech-layer {
  padding: 1.25rem;
  background: #171B20;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gold);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  border-right: 1px solid rgba(212, 175, 55, 0.15);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}
.tech-layer h3 { margin-bottom: 0.35rem; font-size: 1rem; color: var(--color-gold-light); }
.tech-layer p { font-size: 0.875rem; color: var(--color-muted); }

/* PolarCast */
.polarcast {
  background: linear-gradient(135deg, var(--color-navy) 0%, #1A1F27 100%);
  color: var(--color-white);
  padding: var(--space-4xl) 0;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.polarcast__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.product-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  background: rgba(212, 175, 55, 0.1);
  margin-bottom: 1rem;
}
.polarcast__content p {
  margin: 1rem 0 1.5rem;
  color: rgba(244, 244, 246, 0.85);
  line-height: 1.7;
}
.feature-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.25rem;
  font-size: 0.9375rem;
  color: rgba(244, 244, 246, 0.9);
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 1px;
  transform: rotate(45deg);
}
.polarcast__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.mockup-window {
  background: #171B20;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 25px rgba(212, 175, 55, 0.12);
}
.mockup-window__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}
.mockup-window__bar span:first-child,
.mockup-window__bar span:nth-child(2),
.mockup-window__bar span:nth-child(3) {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}
.mockup-window__bar span:first-child { background: #ef4444; opacity: 0.7; }
.mockup-window__bar span:nth-child(2) { background: var(--color-warning); opacity: 0.7; }
.mockup-window__bar span:nth-child(3) { background: var(--color-green); opacity: 0.7; }
.mockup-window__title {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-gold-muted);
}
.mockup-window__body {
  display: grid;
  grid-template-columns: 1fr 140px;
  min-height: 220px;
}
.mockup-map {
  position: relative;
  background: #12161A;
  min-height: 200px;
}
.mockup-map__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}
.mockup-map__points span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-gold);
  transform: translate(-50%, -50%);
  animation: point-pulse 2s ease infinite;
}
@keyframes point-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.7; }
}
.mockup-sidebar {
  padding: 0.75rem;
  border-left: 1px solid rgba(212, 175, 55, 0.15);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: #171B20;
}
.mockup-stat {
  font-size: 0.6875rem;
  color: var(--color-muted);
}
.mockup-stat strong { display: block; color: var(--color-white); font-size: 0.875rem; }
.text-warn { color: var(--color-warning) !important; }
.mockup-chart-mini { margin-top: auto; height: 40px; }

/* Climate */
.climate {
  background: var(--color-navy);
}
.climate__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.climate-services li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.5rem;
  color: var(--color-text);
}
.climate-services li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
}
.risk-matrix {
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.risk-matrix__header {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--color-gold-light);
}
.risk-matrix__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.risk-cell {
  padding: 0.75rem;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: #12161A;
  border: 1px solid rgba(212, 175, 55, 0.2);
  color: var(--color-white);
}
.risk-cell--low { color: var(--color-green); border-color: rgba(34, 197, 94, 0.3); }
.risk-cell--med { color: var(--color-warning); border-color: rgba(234, 179, 8, 0.3); }
.risk-cell--high { color: #ef4444; border-color: rgba(239, 68, 68, 0.3); }
.climate-map__svg { width: 100%; border-radius: var(--radius-sm); }

/* AR-GE */
.card-grid--arge {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.arge-card {
  padding: 1.5rem;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.arge-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(212, 175, 55, 0.15);
}
.arge-card h3 { margin-bottom: 0.5rem; color: var(--color-gold-light); }
.arge-card p { font-size: 0.9375rem; color: var(--color-muted); }

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), rgba(212, 175, 55, 0.2));
}
.timeline__item {
  position: relative;
  padding-bottom: 2rem;
  display: flex;
  gap: 1.25rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__num {
  position: absolute;
  left: -2rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-gold);
  color: var(--color-navy);
  border-radius: 50%;
  flex-shrink: 0;
}
.timeline__item h3 { margin-bottom: 0.35rem; color: var(--color-white); }
.timeline__item p { font-size: 0.9375rem; color: var(--color-muted); }

/* About */
.about {
  background: #171B20;
}
.about__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.about__main p {
  margin-top: 1rem;
  color: var(--color-muted);
  line-height: 1.75;
}
.about__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.about-mini-card {
  padding: 1rem 1.25rem;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gold);
}
.about-mini-card h3 { font-size: 0.9375rem; color: var(--color-white); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}
.stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
  background: #1B1F26;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
}
.stat-card__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold-light);
  margin-bottom: 0.35rem;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.25);
}
.stat-card__label {
  font-size: 0.8125rem;
  color: rgba(244, 244, 246, 0.75);
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.blog-card {
  padding: 1.5rem;
  background: rgba(27, 31, 38, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 20px rgba(212, 175, 55, 0);
  transition: all 0.3s ease;
  pointer-events: none;
}
.blog-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 5px 15px rgba(212, 175, 55, 0.1);
  background: rgba(27, 31, 38, 0.85);
}
.blog-card:hover::before {
  box-shadow: inset 0 0 20px rgba(212, 175, 55, 0.05);
}
.blog-card__cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  background: var(--color-gold);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.blog-card__cat--green { color: var(--color-navy); background: var(--color-gold-light); }
.blog-card h3 { margin-bottom: 0.5rem; font-size: 1.0625rem; color: var(--color-gold); transition: color 0.3s ease; }
.blog-card:hover h3 { text-shadow: 0 0 10px rgba(212,175,55,0.3); }
.blog-card p { font-size: 0.9375rem; color: var(--color-muted); margin-bottom: 1rem; }

/* Contact */
.contact { background: #12161A; }
.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.contact-form {
  background: #1B1F26;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}
.form-row { margin-bottom: 0.85rem; }
.form-row--half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-row label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-gold-light);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-sm);
  background: #12161A;
  color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}
.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: var(--radius-sm);
  color: var(--color-green);
  font-weight: 500;
}
.contact-info__card {
  background: #171B20;
  color: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.25);
}
.contact-info__card h3 {
  color: var(--color-gold-light);
  margin-bottom: 1.25rem;
}
.contact-info address { font-style: normal; }
.contact-info address p {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(244, 244, 246, 0.85);
}
.contact-info address a { color: var(--color-gold-light); }
.contact-info__social {
  display: flex;
  gap: 1rem;
  margin: 1.25rem 0;
}
.contact-info__social a { color: var(--color-gold); font-size: 0.875rem; font-weight: 600; }
.contact-info__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-info__actions .btn--ghost {
  color: var(--color-gold-light);
  border-color: rgba(212, 175, 55, 0.3);
}
.contact-info__actions .btn--ghost:hover { color: var(--color-white); background: rgba(212, 175, 55, 0.15); }

/* Footer */
.site-footer {
  background: #0D1014;
  color: rgba(244, 244, 246, 0.8);
  padding-top: var(--space-3xl);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 3.5fr 1fr 1.2fr;
  gap: 2rem;
  padding-bottom: var(--space-2xl);
}
.site-footer__brand p {
  margin-top: 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 320px;
}
.site-footer nav h3, .site-footer__contact h3 {
  font-size: 0.875rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.site-footer nav ul li { margin-bottom: 0.4rem; }
.site-footer nav a {
  font-size: 0.875rem;
  color: var(--color-muted);
}
.site-footer nav a:hover { color: var(--color-gold); }
.site-footer__contact p { font-size: 0.875rem; margin-bottom: 0.35rem; }
.site-footer__contact a { color: var(--color-gold-light); }
.site-footer__social { display: flex; gap: 1rem; margin-top: 0.75rem; }
.site-footer__social a { font-size: 0.8125rem; color: var(--color-muted); }
.site-footer__social a:hover { color: var(--color-gold); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  font-size: 0.8125rem;
  color: var(--color-muted);
}
.site-footer__legal a { color: var(--color-muted); }
.site-footer__legal a:hover { color: var(--color-gold); }

/* Mobile CTA */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: #171B20;
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.8);
  grid-template-columns: repeat(4, 1fr);
  min-height: var(--mobile-cta-height);
}
.mobile-cta__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-muted);
  text-decoration: none;
}
.mobile-cta__item .icon { width: 18px; height: 18px; color: var(--color-gold); }
.mobile-cta__item--primary {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
  color: #12161A;
  font-weight: 700;
}
.mobile-cta__item--primary .icon { color: #12161A; }
.mobile-cta__item--primary:hover { color: #12161A; background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 100%); }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay { transition-delay: 0.15s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero { min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero-hud { order: -1; max-width: 520px; margin: 0 auto; width: 100%; }
  .hero-slide__caption { display: none; }
  .polarcast__inner,
  .climate__inner,
  .about__inner,
  .contact__grid { grid-template-columns: 1fr; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-layers { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  html { font-size: 65%; } /* scales 1rem to 10.4px */
  .top-bar__left .top-bar__item:first-child { display: none; }
  .top-bar__inner { justify-content: center; }
  .top-bar__right { width: 100%; justify-content: center; }

  .desktop-cta { display: none; }
  .menu-toggle { display: flex; z-index: 1001; }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    background: #171B20;
    border-left: 1px solid rgba(212, 175, 55, 0.3);
    padding: calc(var(--header-height) + 1rem) 1.5rem 2rem;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.8);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1000;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .main-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  }
  .has-dropdown .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .has-dropdown.is-open .dropdown { max-height: 400px; }
  .dropdown a { padding: 0.5rem 0; }
  .mobile-nav__contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.15);
    font-size: 0.875rem;
  }
  .mobile-nav__cta {
    display: flex;
    margin-top: 1rem;
    width: 100%;
  }

  .hero { min-height: min(100vh, 900px); padding-top: 1.5rem; }
  .hero__inner { padding-top: 0; }
  .hero-hud { display: none; }
  .hero-slide__caption { display: block; right: 1rem; bottom: 4.5rem; font-size: 0.65rem; }
  .hero-slider__controls { bottom: 1.25rem; }
  .hero-slider__btn { width: 36px; height: 36px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .badge-list { flex-direction: column; align-items: flex-start; }
  .sector-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .pipeline { flex-direction: column; }
  .pipeline__arrow { transform: rotate(90deg); align-self: center; }
  .tech-layers { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row--half { grid-template-columns: 1fr; }
  .about__cards { grid-template-columns: 1fr; }
  .site-footer { padding-top: 2rem; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__bottom { flex-direction: column; text-align: center; gap: 0.5rem; }
  .site-footer__legal { text-align: center; }
  .site-footer__copy { text-align: center; }
  .contact { padding: 3rem 0; }
  .contact__grid { gap: 2rem; }
  .mobile-cta { display: grid; }
  body.has-mobile-cta { padding-bottom: var(--mobile-cta-height); }
  html { scroll-padding-top: calc(var(--header-height) + 1rem); }
}

@media (max-width: 480px) {
  html { font-size: 55%; } /* scales 1rem to 8.8px */
  .logo__tagline { font-size: 0.6rem; }
  .top-bar__left { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .logo-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 0.5rem;
  }
  .logo-placeholder {
    min-height: 48px;
    font-size: 0.75rem;
  }
  .projects-grid, .blog-grid, .experts-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: opacity 0.3s ease; transform: none; }
  .float-slow, .float-medium, .radar-sweep, .data-line, .mockup-map__points span {
    animation: none;
  }
  .hero-slide { transition: none; }
  .hero-slide.is-active { opacity: 1; }
}

/* Experts Section */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  justify-content: center;
}
.founders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 3rem auto 3rem auto;
}

@media (max-width: 768px) {
  .founders-grid {
    gap: 1rem;
  }
  .expert-card--founder {
    padding: 1rem !important;
  }
  .expert-card--founder .expert-card__img {
    width: 100px !important;
    height: 100px !important;
    margin-bottom: 1rem !important;
  }
  .expert-card--founder h3 {
    font-size: 1.1rem !important;
  }
}
.expert-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition), border-color var(--transition);
}
.expert-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.3);
}
.expert-card--founder {
  background: rgba(212, 175, 55, 0.05);
  border-color: rgba(212, 175, 55, 0.2);
  padding: 2rem;
}
.expert-card--founder .expert-card__img {
  width: 160px;
  height: 160px;
  border-width: 3px;
  margin-bottom: 1.5rem;
}
.expert-card--founder h3 {
  font-size: 1.3rem;
  color: var(--color-gold);
}
.expert-card--founder p {
  color: #fff;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.expert-card__img {
  width: 120px;
  height: 120px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-gold);
  padding: 3px;
}
.expert-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.expert-card:hover .expert-card__img img {
  transform: scale(1.3);
}
.expert-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}
.expert-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Projects Grid --- */
.card-grid--projects {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: 2rem;
}
.projects-group-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2rem);
  color: var(--color-white);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding-bottom: 0.5rem;
  margin-top: 4rem;
  margin-bottom: 2rem;
}

.project-card {
  background: linear-gradient(145deg, rgba(33, 40, 48, 0.7) 0%, rgba(18, 22, 26, 0.8) 100%);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255,255,255,0.02);
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0.3;
  transition: all 0.4s ease;
}
.project-card::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 150px; height: 150px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  transition: all 0.5s ease;
  transform: translate(30%, 30%);
  pointer-events: none;
}
.project-card:hover {
  background: linear-gradient(145deg, rgba(43, 50, 58, 0.85) 0%, rgba(20, 25, 30, 0.95) 100%);
  border-color: rgba(212, 175, 55, 0.6);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(212, 175, 55, 0.15);
}
.project-card:hover::before {
  opacity: 1;
  box-shadow: 0 0 15px var(--color-gold);
}
.project-card:hover::after {
  transform: translate(10%, 10%) scale(1.5);
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
}
.project-card__program {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: inline-block;
  background: rgba(212, 175, 55, 0.1);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
}
.project-card__icon svg {
  width: 24px;
  height: 24px;
  display: block;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--color-white);
  line-height: 1.4;
}
.project-card > p {
  color: var(--color-gray-300);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}
.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-gray-400);
}
.project-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.project-card__meta svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold);
}
.project-card__outputs {
  margin-bottom: 2rem;
}
.project-card__outputs h4 {
  font-size: 0.85rem;
  color: var(--color-white);
  margin-bottom: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.project-card__outputs ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.project-card__outputs li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-gray-300);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}
.project-card__outputs li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 0.9rem;
}
.project-card__tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-card__tag {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-gray-200);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}


/* Video Background for Solution Cards */
.solution-card__bg-video {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  opacity: 0.35 !important;
  transition: opacity 0.5s ease !important;
  z-index: 0 !important;
  pointer-events: none !important;
  border-radius: var(--radius-lg) !important;
}
.solution-card:hover .solution-card__bg-video, .solution-card.is-active .solution-card__bg-video {
  opacity: 0.70 !important;
}
.solution-card__icon,
.solution-card h3,
.solution-card p {
  position: relative !important;
  z-index: 1 !important;
}

/* Neon Divider */
.neon-divider {
  width: 100%;
  height: 3px;
  background: radial-gradient(ellipse at center, var(--color-gold) 0%, transparent 80%);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.9), 0 0 30px rgba(212, 175, 55, 0.5);
  margin: 0 auto;
  border: none;
  border-radius: 50%;
}

/* Global Neon Border */

/* About & Process Grid */
.about-process__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 992px) {
  .about-process__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .about-process__grid {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: rgba(27, 31, 38, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(212, 175, 55, 0.4);
}
.faq-item[open] {
  border-color: var(--color-gold);
  background: rgba(27, 31, 38, 0.9);
}
.faq-summary {
  padding: 1.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary::after {
  content: '+';
  color: var(--color-gold);
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
}
.faq-item[open] .faq-summary::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 1.05rem;
}
.faq-content a {
  color: var(--color-gold-light);
  text-decoration: underline;
  text-decoration-color: rgba(212, 175, 55, 0.3);
}
.faq-content a:hover {
  text-decoration-color: var(--color-gold);
}

@media (max-width: 991px) {
  .site-footer__grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 2rem 1rem !important;
  }
  .site-footer__brand, .site-footer__grid > nav[aria-label="Sektörler ve Çözümlerimiz"], .site-footer__grid > nav[aria-label="Sektrler ve zmlerimiz"] {
    grid-column: 1 / -1 !important;
  }
}


/* UI Tweaks */
.site-header { z-index: 9000; }
.nav-overlay { z-index: 9998 !important; }
.main-nav { z-index: 9999 !important; }
.menu-toggle { z-index: 10000 !important; }

@media (max-width: 768px) {
  .footer__contact {
    text-align: left !important;
    align-items: flex-start !important;
    display: flex;
    flex-direction: column;
  }
  .footer__contact p, .footer__contact a, .footer__contact .social-links {
    justify-content: flex-start !important;
    width: 100%;
    text-align: left !important;
  }
}