/* 
 * Faz Grup Landing Page Style System
 * Light / Dark theme support for Premium Electrical Services
 */

@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap");

:root {
  /* Accents (shared) */
  --color-accent-blue: #38bdf8;
  --color-accent-blue-glow: rgba(56, 189, 248, 0.4);
  --color-accent-blue-deep: #0284c7;

  --color-accent-yellow: #fbbf24;
  --color-accent-yellow-glow: rgba(251, 191, 36, 0.35);

  --color-success: #10b981;
  --color-success-glow: rgba(16, 185, 129, 0.4);

  --color-error: #ef4444;

  /* Shadows & Blur */
  --glass-blur: 16px;
  --shadow-neon-blue: 0 0 25px var(--color-accent-blue-glow);
  --shadow-neon-yellow: 0 0 20px var(--color-accent-yellow-glow);

  /* Fonts */
  --font-header: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container-width: 1200px;
  --header-height: 90px;
  --header-height-shrunk: 70px;
}

/* Dark theme (default fallback) */
:root,
[data-theme="dark"] {
  --color-bg-raw: 7, 11, 20;
  --color-bg: rgb(var(--color-bg-raw));
  --color-bg-card: rgba(14, 21, 38, 0.75);
  --color-bg-card-hover: rgba(22, 32, 57, 0.85);
  --color-border: rgba(56, 189, 248, 0.15);
  --color-border-hover: rgba(56, 189, 248, 0.4);

  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dark: #0f172a;
  --color-on-primary: #070b14;

  --color-header-bg: rgba(7, 11, 20, 0.5);
  --color-header-bg-scrolled: rgba(7, 11, 20, 0.9);
  --color-header-border: rgba(255, 255, 255, 0.05);
  --color-header-border-scrolled: rgba(56, 189, 248, 0.15);

  --color-footer-bg: #04070d;
  --color-border-subtle: rgba(255, 255, 255, 0.05);
  --color-border-subtle-hover: rgba(255, 255, 255, 0.1);
  --color-surface-overlay: rgba(255, 255, 255, 0.03);
  --color-surface-overlay-hover: rgba(255, 255, 255, 0.08);
  --color-surface-border: rgba(255, 255, 255, 0.1);
  --color-surface-border-hover: rgba(255, 255, 255, 0.2);

  --color-gradient-text-start: #fff;
  --color-body-gradient-blue: rgba(2, 132, 199, 0.15);
  --color-body-gradient-yellow: rgba(251, 191, 36, 0.08);

  --color-floating-card-bg: rgba(14, 21, 38, 0.85);
  --color-project-overlay-start: rgba(7, 11, 20, 0.95);
  --color-project-overlay-mid: rgba(7, 11, 20, 0.4);
  --color-nav-mobile-bg: rgba(7, 11, 20, 0.98);

  --color-form-label-bg: #0d1425;
  --color-form-input-bg: rgba(255, 255, 255, 0.03);
  --color-form-input-border: rgba(255, 255, 255, 0.08);
  --color-form-input-focus-bg: rgba(255, 255, 255, 0.05);

  --color-scrollbar-track: rgba(255, 255, 255, 0.05);
  --color-scrollbar-thumb-bg: rgba(255, 255, 255, 0.02);

  --color-image-shadow: rgba(0, 0, 0, 0.6);
  --color-service-card-hover-shadow: rgba(0, 0, 0, 0.6);

  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

  color-scheme: dark;
}

[data-theme="light"] {
  --color-bg-raw: 241, 245, 249;
  --color-bg: rgb(var(--color-bg-raw));
  --color-bg-card: rgba(255, 255, 255, 0.85);
  --color-bg-card-hover: rgba(255, 255, 255, 0.95);
  --color-border: rgba(2, 132, 199, 0.2);
  --color-border-hover: rgba(2, 132, 199, 0.45);

  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-dark: #0f172a;
  --color-on-primary: #ffffff;

  --color-header-bg: rgba(255, 255, 255, 0.7);
  --color-header-bg-scrolled: rgba(255, 255, 255, 0.95);
  --color-header-border: rgba(15, 23, 42, 0.08);
  --color-header-border-scrolled: rgba(2, 132, 199, 0.2);

  --color-footer-bg: #e2e8f0;
  --color-border-subtle: rgba(15, 23, 42, 0.08);
  --color-border-subtle-hover: rgba(15, 23, 42, 0.12);
  --color-surface-overlay: rgba(15, 23, 42, 0.04);
  --color-surface-overlay-hover: rgba(15, 23, 42, 0.08);
  --color-surface-border: rgba(15, 23, 42, 0.1);
  --color-surface-border-hover: rgba(15, 23, 42, 0.18);

  --color-gradient-text-start: #0f172a;
  --color-body-gradient-blue: rgba(2, 132, 199, 0.12);
  --color-body-gradient-yellow: rgba(251, 191, 36, 0.1);

  --color-floating-card-bg: rgba(255, 255, 255, 0.92);
  --color-project-overlay-start: rgba(15, 23, 42, 0.88);
  --color-project-overlay-mid: rgba(15, 23, 42, 0.35);
  --color-nav-mobile-bg: rgba(255, 255, 255, 0.98);

  --color-form-label-bg: #f1f5f9;
  --color-form-input-bg: rgba(15, 23, 42, 0.03);
  --color-form-input-border: rgba(15, 23, 42, 0.1);
  --color-form-input-focus-bg: rgba(255, 255, 255, 0.9);

  --color-scrollbar-track: rgba(15, 23, 42, 0.08);
  --color-scrollbar-thumb-bg: rgba(15, 23, 42, 0.04);

  --color-image-shadow: rgba(15, 23, 42, 0.15);
  --color-service-card-hover-shadow: rgba(15, 23, 42, 0.12);

  --shadow-glass: 0 8px 32px 0 rgba(15, 23, 42, 0.08);

  color-scheme: light;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(at 0% 0%, var(--color-body-gradient-blue) 0px, transparent 50%),
    radial-gradient(at 100% 100%, var(--color-body-gradient-yellow) 0px, transparent 50%);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-header);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Utilities */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.text-gradient-blue {
  background: linear-gradient(135deg, var(--color-gradient-text-start) 30%, var(--color-accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-yellow {
  background: linear-gradient(135deg, var(--color-gradient-text-start) 30%, var(--color-accent-yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-blue {
  color: var(--color-accent-blue);
}

.accent-yellow {
  color: var(--color-accent-yellow);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--color-accent-blue);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: var(--color-header-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-header-border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
}

/* Scroll-driven shrink effect for supported browsers */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: scroll()) {
    header {
      animation: shrink-header auto linear both;
      animation-timeline: scroll(block root);
      animation-range: 0px 150px;
    }
  }
}

@keyframes shrink-header {
  to {
    height: var(--header-height-shrunk);
    background: var(--color-header-bg-scrolled);
    box-shadow: var(--shadow-glass);
    border-bottom: 1px solid var(--color-header-border-scrolled);
  }
}

/* Manual header shrink for fallback if JS adds 'scrolled' class */
header.scrolled {
  height: var(--header-height-shrunk);
  background: var(--color-header-bg-scrolled);
  box-shadow: var(--shadow-glass);
  border-bottom: 1px solid var(--color-header-border-scrolled);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--color-text-main);
}

.logo svg {
  width: 32px;
  height: 32px;
  fill: var(--color-accent-blue);
  filter: drop-shadow(0 0 8px var(--color-accent-blue-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a:hover {
  color: var(--color-accent-blue);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-blue);
  box-shadow: var(--shadow-neon-blue);
  transition: width 0.3s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-switcher {
  position: relative;
}

.theme-switcher-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.45rem 0.5rem;
  background: var(--color-surface-overlay);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-switcher-trigger:hover,
.theme-switcher-trigger[aria-expanded="true"] {
  color: var(--color-text-main);
  background: var(--color-surface-overlay-hover);
  border-color: var(--color-border-hover);
}

.theme-switcher-trigger[aria-expanded="true"] .theme-trigger-chevron {
  transform: rotate(180deg);
}

.theme-trigger-icon {
  display: none;
  flex-shrink: 0;
}

.theme-switcher-trigger[data-active-preference="system"] .theme-trigger-icon--system,
.theme-switcher-trigger[data-active-preference="light"] .theme-trigger-icon--light,
.theme-switcher-trigger[data-active-preference="dark"] .theme-trigger-icon--dark {
  display: block;
}

.theme-trigger-chevron {
  flex-shrink: 0;
  opacity: 0.7;
  transition: transform 0.2s ease;
}

.theme-switcher-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 10.5rem;
  padding: 0.4rem;
  background: var(--color-bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-glass), var(--shadow-neon-blue);
}

.theme-switcher-menu[hidden] {
  display: none;
}

.theme-switcher-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.55rem 0.65rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-switcher-option:hover {
  color: var(--color-text-main);
  background: var(--color-surface-overlay-hover);
  border-color: var(--color-border-subtle);
}

.theme-switcher-option[aria-selected="true"] {
  color: var(--color-accent-blue);
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.2);
}

.theme-option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 6px;
  background: var(--color-surface-overlay);
  color: inherit;
  flex-shrink: 0;
}

.theme-option-label {
  flex: 1;
}

.theme-option-check {
  flex-shrink: 0;
  opacity: 0;
  color: var(--color-accent-blue);
  transition: opacity 0.15s ease;
}

.theme-switcher-option[aria-selected="true"] .theme-option-check {
  opacity: 1;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  position: relative;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 var(--color-success-glow);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-blue-deep) 100%);
  color: var(--color-on-primary);
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 6px 20px rgba(56, 189, 248, 0.5),
    var(--shadow-neon-blue);
  color: var(--color-on-primary);
}

.btn-secondary {
  background: var(--color-surface-overlay);
  border: 1px solid var(--color-surface-border);
  color: var(--color-text-main);
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: var(--color-surface-overlay-hover);
  border-color: var(--color-surface-border-hover);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-main);
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 1.25rem;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.image-frame {
  position: relative;
  border-radius: 20px;
  padding: 8px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3) 0%, rgba(251, 191, 36, 0.1) 100%);
  box-shadow: var(--shadow-glass);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, transparent 50%, var(--color-accent-yellow) 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-visual img {
  border-radius: 12px;
  width: 100%;
  object-fit: cover;
  box-shadow: 0 20px 40px var(--color-image-shadow);
}

.floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--color-floating-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-neon-blue);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.floating-icon {
  width: 40px;
  height: 40px;
  background: rgba(56, 189, 248, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--color-accent-blue);
}

.floating-text h4 {
  font-size: 1.1rem;
  color: var(--color-text-main);
  margin-bottom: 0.1rem;
}

.floating-text p {
  font-size: 0.8rem;
  color: var(--color-accent-blue);
  margin-bottom: 0;
}

/* Sections Base */
section {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.service-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-hover);
  box-shadow:
    0 12px 40px var(--color-service-card-hover-shadow),
    var(--shadow-neon-blue);
}

.service-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
  transform: scale(1.08);
}

.service-icon-floating {
  position: absolute;
  bottom: -24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--color-accent-blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-neon-blue);
  z-index: 2;
}

.service-icon-floating svg {
  width: 24px;
  height: 24px;
  fill: var(--color-on-primary);
}

.service-card.yellow-accent .service-icon-floating {
  background: var(--color-accent-yellow);
  box-shadow: var(--shadow-neon-yellow);
}

.service-info {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-info h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.service-info p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent-blue);
}

.service-card.yellow-accent .service-link {
  color: var(--color-accent-yellow);
}

.service-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.service-card:hover .service-link svg {
  transform: translateX(4px);
}

/* Why Us Section */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.why-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s ease;
}

.why-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-subtle-hover);
  transform: translateY(-4px);
}

.why-icon {
  width: 56px;
  height: 56px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-neon-yellow);
}

.why-card.blue-theme .why-icon {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: var(--shadow-neon-blue);
}

.why-icon svg {
  width: 28px;
  height: 28px;
  fill: var(--color-accent-yellow);
}

.why-card.blue-theme .why-icon svg {
  fill: var(--color-accent-blue);
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.why-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Projects Gallery (Scroll Snap) */
.projects-container {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 2rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-blue) var(--color-scrollbar-track);
}

.projects-container::-webkit-scrollbar {
  height: 8px;
}

.projects-container::-webkit-scrollbar-track {
  background: var(--color-scrollbar-thumb-bg);
  border-radius: 4px;
}

.projects-container::-webkit-scrollbar-thumb {
  background: rgba(56, 189, 248, 0.3);
  border-radius: 4px;
}

.projects-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-blue);
}

.project-item {
  flex: 0 0 350px;
  scroll-snap-align: start;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-glass);
}

@media (min-width: 768px) {
  .project-item {
    flex: 0 0 450px;
  }
}

.project-img-box {
  position: relative;
  height: 280px;
  overflow: hidden;
}

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

.project-item:hover .project-img-box img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-project-overlay-start) 10%, var(--color-project-overlay-mid) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}

.project-cat {
  font-size: 0.8rem;
  color: var(--color-accent-blue);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.project-overlay h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.project-overlay p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Scroll reveals (Entry/Exit Effects) for supported browsers */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes reveal {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .scroll-reveal {
      animation: reveal auto linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }
  }
}

/* Contact Section & Forms */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  list-style: none;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.info-icon {
  width: 50px;
  height: 50px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-accent-blue);
}

.info-text span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.info-text a,
.info-text p {
  font-size: 1.15rem;
  font-weight: 600;
}

.contact-box {
  background: var(--color-bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-glass);
}

.contact-box h3 {
  font-size: 1.6rem;
  margin-bottom: 2rem;
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

/* Floating label pattern */
.form-input {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--color-form-input-bg);
  border: 1px solid var(--color-form-input-border);
  border-radius: 8px;
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  outline: none;
}

.form-label {
  position: absolute;
  left: 1rem;
  top: 0.9rem;
  color: var(--color-text-muted);
  transition: all 0.3s ease;
  pointer-events: none;
  font-size: 0.95rem;
}

/* Floating animations */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -12px;
  left: 8px;
  font-size: 0.75rem;
  color: var(--color-accent-blue);
  background: var(--color-form-label-bg);
  padding: 0 6px;
  border-radius: 4px;
}

.form-input:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
  background: var(--color-form-input-focus-bg);
}

/* Custom styles for native CSS validation */
.form-input:user-valid {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.02);
}

.form-input:user-invalid {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.02);
}

.form-group.has-error::after {
  content: attr(data-error-msg);
  position: absolute;
  bottom: -18px;
  left: 0;
  font-size: 0.75rem;
  color: var(--color-error);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  width: 100%;
  justify-content: center;
  padding: 1rem;
}

.form-success-message {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-text-main);
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1.5rem;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.form-success-message.visible {
  display: flex;
}

.form-success-message svg {
  width: 20px;
  height: 20px;
  fill: var(--color-success);
}

/* Footer */
footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border-subtle);
  padding: 5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
}

.footer-about p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  list-style: none;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  background: var(--color-surface-overlay);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-socials a:hover {
  background: var(--color-accent-blue);
  color: var(--color-on-primary);
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-neon-blue);
}

.footer-socials svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent-blue);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Responsiveness */
@media (max-width: 1024px) {
  :root {
    --header-height: 80px;
    --header-height-shrunk: 64px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero p {
    margin: 0 auto 2rem auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }

  .section-header {
    margin-bottom: 3rem;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }

  /* Mobile Nav Toggle */
  .menu-toggle {
    display: block;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-nav-mobile-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(56, 189, 248, 0.15);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .header-actions {
    margin-right: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

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

  .header-actions .status-indicator {
    display: none;
  }

  .contact-box {
    padding: 1.5rem;
  }
}