/* ═══════════════════════════════════════════════
   RESON ENERGY — Premium Design System
   Pure CSS, zero dependencies
   ═══════════════════════════════════════════════ */

/* ─── CUSTOM PROPERTIES ─── */
:root {
  /* Colors — Light Mode */
  --bg:            #f8fafc;
  --bg-surface:    #ffffff;
  --bg-surface-2:  #f1f5f9;
  --bg-elevated:   #ffffff;
  --text:          #0c1524;
  --text-secondary:#475569;
  --text-muted:    #94a3b8;
  --accent:        #0055ff;
  --accent-light:  #3377ff;
  --accent-dark:   #0044cc;
  --accent-glow:   rgba(0, 85, 255, 0.25);
  --accent-subtle: rgba(0, 85, 255, 0.08);
  --border:        rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.15);
  --glass-bg:      rgba(255, 255, 255, 0.72);
  --glass-border:  rgba(255, 255, 255, 0.5);

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, 'Helvetica Neue', sans-serif;
  --text-xs:   clamp(0.75rem, 0.7rem + 0.2vw, 0.8rem);
  --text-sm:   clamp(0.8125rem, 0.77rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.88rem + 0.25vw, 1rem);
  --text-lg:   clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  --text-xl:   clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --text-2xl:  clamp(1.5rem, 1.25rem + 0.8vw, 2rem);
  --text-3xl:  clamp(1.875rem, 1.5rem + 1.2vw, 2.5rem);
  --text-4xl:  clamp(2.25rem, 1.75rem + 2vw, 3.5rem);

  /* Spacing */
  --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;
  --section-gap: clamp(4rem, 3rem + 4vw, 8rem);

  /* Borders & Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-2xl: 32px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 25px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-xl:  0 20px 50px rgba(0,0,0,0.08), 0 8px 20px rgba(0,0,0,0.04);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* Transitions */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;

  /* Layout */
  --header-height: 72px;
}

/* ─── DARK MODE ─── */
:root.dark,
:root:not(.light) {
  /* Only apply when no explicit .light class AND prefers-color-scheme is dark */
}

@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --bg:            #0a0f1a;
    --bg-surface:    #141c2e;
    --bg-surface-2:  #1a2540;
    --bg-elevated:   #1e293b;
    --text:          #e8f0ff;
    --text-secondary:#94a3c8;
    --text-muted:    #64748b;
    --accent:        #4d8aff;
    --accent-light:  #6ea0ff;
    --accent-dark:   #3d7aef;
    --accent-glow:   rgba(77, 138, 255, 0.3);
    --accent-subtle: rgba(77, 138, 255, 0.1);
    --border:        rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.12);
    --glass-bg:      rgba(10, 15, 26, 0.78);
    --glass-border:  rgba(255, 255, 255, 0.08);
  }
}

:root.dark {
  --bg:            #0a0f1a;
  --bg-surface:    #141c2e;
  --bg-surface-2:  #1a2540;
  --bg-elevated:   #1e293b;
  --text:          #e8f0ff;
  --text-secondary:#94a3c8;
  --text-muted:    #64748b;
  --accent:        #4d8aff;
  --accent-light:  #6ea0ff;
  --accent-dark:   #3d7aef;
  --accent-glow:   rgba(77, 138, 255, 0.3);
  --accent-subtle: rgba(77, 138, 255, 0.1);
  --border:        rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --glass-bg:      rgba(10, 15, 26, 0.78);
  --glass-border:  rgba(255, 255, 255, 0.08);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 700; }

/* ─── SKIP LINK ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  font-size: var(--text-sm);
}
.skip-link:focus { top: var(--space-md); }

/* ─── FOCUS ─── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ─── LAYOUT ─── */
.wrapper {
  width: min(1200px, 100% - 2rem);
  margin-inline: auto;
}
@media (min-width: 768px) {
  .wrapper { width: min(1200px, 100% - 4rem); }
}

/* ═══════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out);
}
.header[data-scrolled="true"] {
  background: var(--glass-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-lg);
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}
.header__logo img {
  height: 32px;
  width: auto;
}
.header__logo-sep {
  color: var(--text-muted);
  font-size: var(--text-xs);
  opacity: 0.5;
}
.header__nav {
  display: none;
  margin-left: auto;
}
.nav-list {
  display: flex;
  gap: var(--space-xl);
}
.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--duration-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--duration-base) var(--ease-out);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.header__actions {
  display: none;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}
.header__cta {
  font-size: var(--text-sm);
}

/* Theme Toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--duration-fast);
  color: var(--text-secondary);
}
.theme-toggle:hover {
  background: var(--accent-subtle);
  color: var(--accent);
}
.theme-toggle__moon { display: none; }
:root.dark .theme-toggle__sun { display: none; }
:root.dark .theme-toggle__moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not(.light) .theme-toggle__sun { display: none; }
  :root:not(.light) .theme-toggle__moon { display: block; }
}

/* Burger */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  margin-left: auto;
  z-index: 1001;
}
.burger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast);
}
.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] .burger__line:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out),
              visibility var(--duration-base);
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu__list {
  text-align: center;
}
.mobile-menu__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.mobile-menu.open .mobile-menu__item {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.open .mobile-menu__item:nth-child(1) { transition-delay: 100ms; }
.mobile-menu.open .mobile-menu__item:nth-child(2) { transition-delay: 200ms; }
.mobile-menu.open .mobile-menu__item:nth-child(3) { transition-delay: 300ms; }
.mobile-menu__link {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  padding: var(--space-lg) 0;
  color: var(--text);
  transition: color var(--duration-fast);
}
.mobile-menu__link:hover {
  color: var(--accent);
}

/* Desktop nav visible */
@media (min-width: 768px) {
  .burger { display: none; }
  .mobile-menu { display: none !important; }
  .header__nav { display: block; }
  .header__actions { display: flex; }
}

/* ═══════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.btn--primary:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 20px var(--accent-glow), var(--shadow-glow);
  transform: translateY(-1px);
}
.btn--primary:active {
  transform: translateY(0);
}
.btn--sm {
  font-size: var(--text-sm);
  padding: 0.5rem 1.25rem;
}
.btn--lg {
  font-size: var(--text-lg);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-md);
}

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10, 15, 30, 0.85) 0%, rgba(10, 15, 30, 0.5) 50%, rgba(10, 15, 30, 0.75) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.hero__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}
.hero__title-accent {
  background: linear-gradient(135deg, #4d8aff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__divider {
  width: 80px;
  height: 3px;
  margin: var(--space-lg) auto;
  background: linear-gradient(90deg, #4d8aff, #00d4ff);
  border-radius: 2px;
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2xl);
  font-weight: 400;
  max-width: 480px;
  margin-inline: auto;
}
.hero__cta {
  font-size: var(--text-base);
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  animation: hero-bounce 2s ease-in-out infinite;
  animation-delay: 1.5s;
  opacity: 0;
  animation-fill-mode: forwards;
}
@keyframes hero-bounce {
  0%   { opacity: 0.5; transform: translateX(-50%) translateY(0); }
  50%  { opacity: 1;   transform: translateX(-50%) translateY(8px); }
  100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
}

/* ═══════════════════════════════════════════════
   SECTIONS — Base
   ═══════════════════════════════════════════════ */
.section {
  padding: var(--section-gap) 0;
  position: relative;
}
.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}
.kicker {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}
.section__title {
  font-size: var(--text-3xl);
  color: var(--text);
  margin-top: var(--space-xs);
}
.section__body {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-top: var(--space-lg);
  max-width: 560px;
}
.section__closing {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-base);
  margin-top: var(--space-3xl);
  max-width: 600px;
  margin-inline: auto;
}
.section__cta {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* Section grid */
.section__grid {
  display: grid;
  gap: var(--space-3xl);
  align-items: center;
}
@media (min-width: 1024px) {
  .section__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
  }
  .section__grid--reverse {
    direction: rtl;
  }
  .section__grid--reverse > * {
    direction: ltr;
  }
}

/* SVG Illustrations */
.illustration {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  color: var(--text);
}

/* ─── Section 1: Intro ─── */
.section--intro {
  background: linear-gradient(180deg, var(--accent-subtle) 0%, transparent 100%);
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid transparent;
  border-radius: 100px;
  transition: all var(--duration-fast);
}
.badge:hover {
  background: var(--glass-bg);
  border-color: var(--accent-glow);
  backdrop-filter: blur(8px);
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}
@media (min-width: 640px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}
.kpi {
  padding: var(--space-lg) var(--space-md);
  border-left: 3px solid var(--accent);
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.kpi__value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--accent);
  display: block;
}
.kpi__unit {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  opacity: 0.7;
}
.kpi__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ─── Section 2: Use Cases ─── */
.section--usecases {
  background: var(--bg);
}
.usecase-list {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.usecase-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.usecase-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.usecase-item__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}
.usecase-item span {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ─── Section 3: Process ─── */
.section--process {
  background: var(--bg-surface-2);
}
.process-timeline {
  display: grid;
  gap: var(--space-xl);
  position: relative;
}
.process-timeline__line {
  display: none;
}
@media (min-width: 768px) {
  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
  .process-timeline__line {
    display: block;
    position: absolute;
    top: 36px;
    left: 12.5%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 1px;
    transition: width 1.2s var(--ease-out);
  }
  .process-timeline.animated .process-timeline__line {
    width: 75%;
  }
}

.process-card {
  padding: var(--space-xl);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.process-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}
.process-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}
.process-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Section 4: Pricing ─── */
.section--pricing {
  background: var(--bg);
  position: relative;
}
.section--pricing::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, var(--accent-subtle) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, var(--accent-subtle) 0%, transparent 50%);
  pointer-events: none;
}

.pricing-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.pricing-card__accent {
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #00d4ff, var(--accent));
  background-size: 200% 100%;
  animation: gradient-shift 4s ease infinite;
}
@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.pricing-card__content {
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}
.pricing-card__illustration {
  width: 120px;
  margin: 0 auto var(--space-xl);
  color: var(--text);
}
.pricing-card__specs {
  text-align: left;
  max-width: 400px;
  margin: 0 auto var(--space-2xl);
}
.pricing-card__specs li {
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.pricing-card__specs li:last-child {
  border-bottom: none;
}
.pricing-card__price {
  margin: var(--space-xl) 0;
}
.pricing-card__price-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}
.pricing-card__price-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.pricing-card__price-vat {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}
.pricing-card__rates {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}
.pricing-card__rate {
  text-align: center;
}
.pricing-card__rate-value {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text);
}
.pricing-card__rate-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.pricing-card__disclaimer {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-surface-2);
}

/* ─── Section 5: Why Us ─── */
.section--whyus {
  background: linear-gradient(180deg, var(--bg-surface-2) 0%, var(--bg) 30%, var(--bg-surface-2) 100%);
}
.whyus-grid {
  display: grid;
  gap: var(--space-2xl);
}
@media (min-width: 768px) {
  .whyus-grid { grid-template-columns: 1fr 1fr; }
}
.whyus-group__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.whyus-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.whyus-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
}
.whyus-item:hover {
  background: var(--accent-subtle);
}
.whyus-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 3px;
}
.whyus-item span {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: var(--bg-surface-2);
  border-top: 1px solid var(--border);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer__inner {
  display: grid;
  gap: var(--space-2xl);
}
@media (min-width: 640px) {
  .footer__inner { grid-template-columns: 1fr 1fr; align-items: start; }
}
.footer__logo img {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
}
.footer__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.7;
}
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.footer__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}
.footer__link:hover {
  color: var(--accent);
}
.footer__link svg {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.6;
}
.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   GALLERY PAGE (partial)
   ═══════════════════════════════════════════════ */
.gallery-section {
  padding: var(--space-3xl) 0;
}
.gallery-section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2xl);
  text-align: center;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1280px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--bg-surface-2);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.gallery-item:hover img {
  transform: scale(1.03);
}
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-base);
}
.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}
.gallery-item__overlay svg {
  color: #fff;
  width: 32px;
  height: 32px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base), visibility var(--duration-base);
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  color: #fff;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--duration-fast);
}
.lightbox__close:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--duration-fast);
}
.lightbox__nav:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox__nav--prev { left: var(--space-lg); }
.lightbox__nav--next { right: var(--space-lg); }

/* Videos */
.video-grid {
  display: grid;
  gap: var(--space-lg);
}
.video-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
}
.video-item video {
  width: 100%;
  display: block;
}
.video-item__title {
  padding: var(--space-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════
   CONTACT PAGE (partial)
   ═══════════════════════════════════════════════ */
.contact-hero {
  text-align: center;
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--accent-subtle), transparent);
}
.contact-hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}
.contact-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text);
  transition: all var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-sm);
}
.contact-hero__btn:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.contact-hero__btn svg {
  color: var(--accent);
}

.contact-grid {
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-3xl) 0;
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-card {
  padding: var(--space-xl);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.contact-card__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-md);
}
.contact-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.contact-card__role {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.contact-card__info {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 2;
}
.contact-card__info a {
  color: var(--accent);
  transition: opacity var(--duration-fast);
}
.contact-card__info a:hover { opacity: 0.8; }

.contact-hours {
  padding: var(--space-2xl) 0;
  text-align: center;
}
.contact-hours__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-lg);
}
.contact-hours__list {
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
}
.contact-hours__item {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.contact-hours__item strong {
  color: var(--text);
}

/* ═══════════════════════════════════════════════
   ANIMATIONS — Scroll Reveals
   ═══════════════════════════════════════════════ */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.reveal {
  transform: translateY(30px);
}
.reveal-left {
  transform: translateX(-40px);
}
.reveal-right {
  transform: translateX(40px);
}
.reveal-scale {
  transform: scale(0.95);
}

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Hero parallax handled by JS */
.hero__content {
  transition: none;
}

/* ═══════════════════════════════════════════════
   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;
    transform: none;
  }
  .hero__scroll { display: none; }
  .process-timeline__line { width: 75% !important; }
}

/* ═══════════════════════════════════════════════
   PRINT
   ═══════════════════════════════════════════════ */
@media print {
  .header, .hero, .hero__scroll, .mobile-menu,
  .theme-toggle, .burger, .btn, .lightbox { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .section { padding: 1.5rem 0; break-inside: avoid; }
  .wrapper { width: 100%; max-width: 100%; }
  .section__grid { grid-template-columns: 1fr; }
  .illustration { display: none; }
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
  .footer { border-top: 1px solid #ccc; padding: 1rem 0; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #666; }
}

/* ═══════════════════════════════════════════════
   PAGE TRANSITIONS (SPA)
   ═══════════════════════════════════════════════ */
#page-content {
  min-height: 50vh;
}
.page-loading {
  opacity: 0.5;
  transition: opacity var(--duration-fast);
}