/* ============================================================
   SOLARPRO × R5Trading - Premium Landing Page Stylesheet
   Design System: Dark luxury · Glassmorphism · SolarPro brand colors
   ============================================================ */

/* ── CSS Custom Properties (Design Tokens) ── */
:root {
  /* SolarPro brand palette (logo + solarpro-films.com) */
  --color-bg: #050505;
  --color-bg-elevated: #0a0a0a;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-brand-blue: #1A4B9E;
  --color-brand-blue-light: #2B6FD4;
  --color-brand-blue-dark: #0D2D6B;
  --color-brand-red: #E31E24;
  --color-brand-red-light: #FF3B42;
  --color-brand-red-dark: #B8181D;
  --color-accent: var(--color-brand-blue);
  --color-accent-alt: var(--color-brand-red);
  --color-white: #FFFFFF;
  --color-gray-100: #F5F5F5;
  --color-gray-300: #A3A3A3;
  --color-gray-500: #737373;
  --color-gray-700: #404040;
  --color-gray-900: #171717;

  /* Gradients - subtle backgrounds only */
  --gradient-dark: linear-gradient(180deg, transparent, var(--color-bg));
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(26, 75, 158, 0.12) 0%, transparent 55%);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 20px;

  /* Typography - Montserrat (brand) */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1280px;
  --container-padding: clamp(20px, 4vw, 40px);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.2s var(--ease-out-expo);
  --transition-base: 0.4s var(--ease-out-expo);
  --transition-slow: 0.8s var(--ease-out-expo);

  /* Layout */
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-100);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.loading {
  overflow: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ── Preloader ── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s;
}

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

.preloader__inner {
  text-align: center;
}

.preloader__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.preloader__logo-img {
  height: clamp(36px, 6vw, 52px);
  width: auto;
  object-fit: contain;
}

.preloader__divider {
  width: 1px;
  height: 24px;
  background: var(--color-brand-blue);
}

.preloader__partner {
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-brand-blue);
}

.preloader__bar {
  width: 200px;
  height: 2px;
  background: var(--color-gray-900);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 16px;
}

.preloader__progress {
  width: 0%;
  height: 100%;
  background: var(--color-brand-blue);
  animation: preloaderProgress 1.8s var(--ease-out-expo) forwards;
}

@keyframes preloaderProgress {
  to { width: 100%; }
}

.preloader__text {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

/* ── Scroll Progress ── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 9998;
  background: transparent;
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-brand-blue);
  transition: width 0.1s linear;
}

/* ── Header / Navigation ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-base), backdrop-filter var(--transition-base), transform var(--transition-base);
}

.header.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}

.header.hidden {
  transform: translateY(-100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav__logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.nav__logo-sub {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-brand-blue);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gray-300);
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-brand-blue);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ── Language Selector ── */
.lang-selector {
  position: relative;
}

.lang-selector__trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.lang-selector__trigger:hover {
  border-color: rgba(26, 75, 158, 0.3);
  background: rgba(26, 75, 158, 0.05);
}

.lang-selector__flag {
  border-radius: 2px;
  object-fit: cover;
}

.lang-selector__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.lang-selector__chevron {
  transition: transform var(--transition-fast);
}

.lang-selector.open .lang-selector__chevron {
  transform: rotate(180deg);
}

.lang-selector__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.lang-selector.open .lang-selector__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-selector__option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lang-selector__option:hover {
  background: rgba(26, 75, 158, 0.1);
}

.lang-selector__option--active {
  background: rgba(26, 75, 158, 0.15);
  color: var(--color-brand-blue);
}

.lang-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 9990;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-in-out);
}

.lang-overlay.active {
  opacity: 0.6;
  pointer-events: all;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-brand-blue);
  color: var(--color-white);
}

.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--color-brand-blue-light);
  box-shadow: 0 8px 30px rgba(26, 75, 158, 0.35);
}

.btn--ghost {
  border: 1px solid var(--glass-border);
  color: var(--color-white);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--color-brand-blue);
  background: rgba(26, 75, 158, 0.08);
}

.btn--outline {
  border: 1px solid var(--color-brand-blue);
  color: var(--color-brand-blue-light);
  background: transparent;
}

.btn--outline:hover {
  background: var(--color-brand-blue);
  color: var(--color-white);
}

.btn--glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--color-brand-blue);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity var(--transition-base);
}

.btn--glow:hover::before {
  opacity: 0.4;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.75rem;
}

.btn--lg {
  padding: 18px 36px;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  border-color: rgba(26, 75, 158, 0.2);
}

/* ── Section Shared Styles ── */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-brand-red);
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section__desc {
  font-size: 1.0625rem;
  color: var(--color-gray-300);
  line-height: 1.7;
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: none !important;
}

.fade-up { transform: translateY(40px); }
.fade-left { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }
.zoom { transform: scale(0.92); }

/* ── HERO Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  object-fit: cover;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 5, 5, 0.4) 0%,
    rgba(5, 5, 5, 0.6) 50%,
    rgba(5, 5, 5, 0.95) 100%
  );
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-radial);
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero__float {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(26, 75, 158, 0.15);
  animation: float 8s ease-in-out infinite;
}

.hero__float--1 {
  width: 300px;
  height: 300px;
  top: 15%;
  right: 10%;
  animation-delay: 0s;
}

.hero__float--2 {
  width: 200px;
  height: 200px;
  bottom: 20%;
  left: 5%;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: var(--header-height);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-blue);
  margin-bottom: 32px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-brand-red);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  font-style: italic;
  line-height: 1.05;
  color: var(--color-white);
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-white);
}

.hero__stat-suffix {
  font-family: var(--font-primary);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-brand-red);
}

.hero__stat-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-top: 4px;
}

.hero__stat-divider {
  width: 1px;
  height: 48px;
  background: var(--glass-border);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.hero__scroll:hover {
  color: var(--color-brand-blue);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-brand-blue), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── WHY Section ── */
.why {
  background: var(--gradient-radial);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why__card {
  padding: 32px 24px;
  text-align: center;
}

.why__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.why__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  color: var(--color-brand-blue);
}

.why__icon svg {
  width: 100%;
  height: 100%;
}

.why__card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.why__card p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ── TECHNOLOGY Section ── */
.technology {
  overflow: hidden;
}

.technology__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(26, 75, 158, 0.04) 0%, transparent 50%);
}

.technology__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.technology__visual {
  position: relative;
}

.technology__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.technology__img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  background: var(--color-gray-900);
  transition: transform 0.6s var(--ease-out-expo);
}

.technology__image-wrap:hover .technology__img {
  transform: scale(1.05);
}

.technology__image-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 60px rgba(26, 75, 158, 0.1);
  pointer-events: none;
}

.technology__orbit {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
}

.technology__orbit-ring {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(26, 75, 158, 0.3);
  border-radius: 50%;
  animation: orbitSpin 10s linear infinite;
}

.technology__orbit-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--color-brand-red);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(227, 30, 36, 0.6);
}

@keyframes orbitSpin {
  to { transform: rotate(360deg); }
}

.technology__features {
  margin: 32px 0;
}

.technology__feature {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--glass-border);
}

.technology__feature-icon {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-brand-blue);
  flex-shrink: 0;
  width: 32px;
}

.technology__feature strong {
  display: block;
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.technology__feature p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* Metrics / Progress Bars */
.technology__metrics {
  margin: 32px 0;
}

.metric {
  margin-bottom: 20px;
}

.metric__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.8125rem;
}

.metric__value {
  color: var(--color-brand-blue);
  font-weight: 600;
}

.metric__bar {
  height: 4px;
  background: var(--color-gray-900);
  border-radius: 4px;
  overflow: hidden;
}

.metric__fill {
  height: 100%;
  width: 0%;
  background: var(--color-brand-blue);
  border-radius: 4px;
  transition: width 1.5s var(--ease-out-expo);
}

.metric__fill.animated {
  width: var(--fill-width, 0%);
}

.technology__benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-tag {
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(26, 75, 158, 0.2);
  background: rgba(26, 75, 158, 0.05);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-brand-blue);
}

/* ── PRODUCTS Section ── */
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-elevated);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.product-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--color-gray-900);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.product-card:hover .product-card__image img {
  transform: scale(1.08);
}

.product-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 5, 5, 0.8), transparent 60%);
}

.product-card__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--color-brand-red);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-card__content {
  padding: 28px;
}

.product-card__series {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brand-blue);
}

.product-card h3 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 8px 0 12px;
}

.product-card p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ── COMPARISON Section ── */
.comparison__table-wrap {
  padding: 0;
  overflow: hidden;
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
}

.comparison__table th,
.comparison__table td {
  padding: 20px 24px;
  text-align: left;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--glass-border);
}

.comparison__table th {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  background: rgba(255, 255, 255, 0.02);
}

.comparison__highlight {
  background: rgba(26, 75, 158, 0.05);
}

.comparison__table th.comparison__highlight {
  color: var(--color-brand-blue);
  background: rgba(26, 75, 158, 0.08);
}

.comparison__bad {
  color: var(--color-gray-500);
}

.comparison__good {
  color: var(--color-brand-blue-light);
  font-weight: 700;
}

/* ── R5TRADING Section ── */
.r5trading__layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: start;
}

.r5trading__features {
  margin-top: 40px;
}

.r5trading__feature {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--glass-border);
}

.r5trading__feature-num {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-brand-blue);
  opacity: 0.5;
  flex-shrink: 0;
}

.r5trading__feature h4 {
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.r5trading__feature p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.r5trading__card {
  padding: 40px;
}

.r5trading__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.r5trading__card-logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
}

.r5trading__card-badge {
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(26, 75, 158, 0.15);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-blue);
}

.r5trading__card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.r5trading__card-stat {
  text-align: center;
}

.r5trading__card-stat span {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-white);
}

.r5trading__card-stat small {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-top: 4px;
}

.r5trading__card-footer {
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  text-align: center;
}

/* ── DEALER Section ── */
.dealer {
  position: relative;
  overflow: hidden;
  min-height: 600px;
}

.dealer__bg {
  position: absolute;
  inset: 0;
}

.dealer__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dealer__overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 5, 0.88);
}

.dealer__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.dealer__benefits {
  margin-top: 32px;
}

.dealer__benefits li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 0.9375rem;
  color: var(--color-gray-300);
}

.dealer__benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-brand-red);
}

/* Form */
.dealer__form {
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-brand-blue);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-700);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-success {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(26, 75, 158, 0.1);
  color: var(--color-brand-blue);
  font-size: 0.875rem;
  text-align: center;
}

/* ── GALLERY Section ── */
/* ── TESTIMONIALS — Google Reviews style ── */
.testimonials {
  background: var(--color-bg-elevated);
}

.testimonials__header {
  margin-bottom: 40px;
}

.testimonials__google {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonials__google-icon {
  flex-shrink: 0;
}

.testimonials__google-label {
  display: block;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.testimonials__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.testimonials__score {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
}

.testimonials__count {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* Google star rating */
.google-stars {
  display: inline-flex;
  gap: 2px;
}

.google-stars--sm {
  gap: 1px;
}

.google-stars__star {
  display: block;
  width: 18px;
  height: 18px;
  background: #FBBC04;
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

.google-stars--sm .google-stars__star {
  width: 14px;
  height: 14px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.google-review {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition-fast);
}

.google-review:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.google-review__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.google-review__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.google-review__avatar--blue { background: #4285F4; }
.google-review__avatar--green { background: #0F9D58; }
.google-review__avatar--orange { background: #F4B400; color: #333; }

.google-review__meta strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #202124;
  line-height: 1.3;
}

.google-review__meta time {
  font-size: 0.75rem;
  color: #5f6368;
}

.google-review .google-stars {
  margin-bottom: 12px;
}

.google-review__text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #3c4043;
  margin: 0;
}

/* ── FAQ Section ── */
.faq__layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.faq__intro .btn {
  margin-top: 24px;
}

.faq__item {
  border-bottom: 1px solid var(--glass-border);
}

.faq__item summary {
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-brand-blue);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item summary:hover {
  color: var(--color-brand-blue);
}

.faq__item p {
  padding: 0 0 24px;
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ── FAQ Section ── */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  margin-bottom: 4px;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin: 16px 0 24px;
  max-width: 320px;
  line-height: 1.6;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  border-color: var(--color-brand-blue);
  color: var(--color-brand-blue);
  background: rgba(26, 75, 158, 0.05);
}

.footer__links h4,
.footer__contact h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__links li,
.footer__contact li {
  margin-bottom: 12px;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-brand-blue);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer__contact-item:hover {
  color: var(--color-brand-blue);
}

.footer__legal {
  grid-column: 1 / -1;
  padding-top: 40px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__legal p {
  font-size: 0.75rem;
  color: var(--color-gray-700);
}

.footer__disclaimer {
  max-width: 400px;
  text-align: right;
}

/* ── Parallax ── */
.parallax-bg {
  will-change: transform;
}

/* ── Responsive: UltraWide ── */
@media (min-width: 1920px) {
  :root {
    --container-max: 1440px;
  }
}

/* ── Responsive: Laptop ── */
@media (max-width: 1200px) {
  .why__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .technology__layout {
    gap: 48px;
  }

  .r5trading__layout {
    grid-template-columns: 1fr;
  }
}

/* ── Responsive: Tablet ── */
@media (max-width: 1024px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(400px, 85vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 40px;
    padding: 80px 40px;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav__menu.open {
    transform: translateX(0);
  }

  .nav__links {
    flex-direction: column;
    gap: 24px;
  }

  .nav__link {
    font-size: 1rem;
  }

  .nav__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .technology__layout {
    grid-template-columns: 1fr;
  }

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

  .products__grid {
    grid-template-columns: 1fr;
  }

  .dealer__layout {
    grid-template-columns: 1fr;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .faq__layout {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* ── Responsive: Mobile ── */
@media (max-width: 640px) {
  .why__grid {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: 24px;
  }

  .hero__stat-divider {
    display: none;
  }

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

  .hero__actions .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .comparison__table-wrap {
    overflow-x: auto;
  }

  .comparison__table {
    min-width: 500px;
  }

  .r5trading__card-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__legal {
    flex-direction: column;
    text-align: center;
  }

  .footer__disclaimer {
    text-align: center;
    max-width: none;
  }

  .dealer__form {
    padding: 24px;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none !important;
  }
}

/* ── i18n fade transition ── */
body.lang-switching [data-i18n] {
  transition: opacity 0.25s var(--ease-in-out);
}

body.lang-switching.lang-fade-out [data-i18n] {
  opacity: 0;
}