/* ============================================================
   GeoPS Landing Page — styles.css
   Material Design 3 | Poppins | Base 8px
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,400,0,0');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,400,1,0');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --md-primary:                  #3C0D6D;
  --md-on-primary:               #FFFFFF;
  --md-primary-container:        #EEDCFF;
  --md-on-primary-container:     #26004E;
  --md-secondary:                #82498A;
  --md-on-secondary:             #FFFFFF;
  --md-secondary-container:      #F9D8FF;
  --md-on-secondary-container:   #340040;
  --md-tertiary:                 #8B5000;
  --md-on-tertiary:              #FFFFFF;
  --md-tertiary-container:       #FFDDB6;
  --md-on-tertiary-container:    #2C1600;
  --md-surface:                  #FEF7FF;
  --md-on-surface:               #1D1B20;
  --md-surface-variant:          #E8DEF8;
  --md-on-surface-variant:       #49454F;
  --md-surface-container-lowest: #FFFFFF;
  --md-surface-container-low:    #F7F2FA;
  --md-surface-container:        #F3EDF7;
  --md-surface-container-high:   #ECE6F0;
  --md-outline:                  #79747E;
  --md-outline-variant:          #CAC4D0;
  --md-error:                    #B3261E;
  --md-inverse-surface:          #322F37;
  --md-inverse-on-surface:       #F5EFF7;
  --md-inverse-primary:          #D6B4FF;
  --md-success:                  #146C2E;
  --md-success-container:        #B7F1BE;
  --elevation-1: color-mix(in srgb, #3C0D6D 5%,  #FEF7FF);
  --elevation-2: color-mix(in srgb, #3C0D6D 8%,  #FEF7FF);
  --elevation-3: color-mix(in srgb, #3C0D6D 11%, #FEF7FF);
  --motion-std: cubic-bezier(0.2, 0, 0, 1.0);
  --font: 'Poppins', sans-serif;
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  28px;
  --radius-full: 9999px;
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px; line-height: 1.6;
  color: var(--md-on-surface);
  background: var(--md-surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ── ICON HELPERS ───────────────────────────────────────── */
.msr, .msrf {
  font-family: 'Material Symbols Rounded';
  font-style: normal; font-weight: 400; line-height: 1;
  display: inline-flex; align-items: center;
  font-size: 24px; user-select: none;
}
.msr  { font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24; }
.msrf { font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }

/* ── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 500ms var(--motion-std), transform 500ms var(--motion-std);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }

/* ── LAYOUT ─────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--md-secondary);
  background: var(--md-secondary-container);
  padding: 6px 14px; border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.section-label .msr { font-size: 16px; }

.section-title {
  font-size: clamp(26px, 4vw, 40px); font-weight: 700;
  line-height: 1.2; color: var(--md-on-surface); margin-bottom: 14px;
  text-wrap: balance;
}
.section-subtitle {
  font-size: 16px; color: var(--md-on-surface-variant);
  line-height: 1.75; max-width: 560px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn-filled {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--md-primary); color: var(--md-on-primary);
  font-size: 14px; font-weight: 500; letter-spacing: 0.1px;
  padding: 12px 24px; border-radius: var(--radius-full);
  min-height: 48px; position: relative; overflow: hidden;
  transition: box-shadow 200ms var(--motion-std), transform 150ms;
}
.btn-filled::after {
  content: ''; position: absolute; inset: 0;
  background: var(--md-on-primary); opacity: 0; transition: opacity 200ms;
}
.btn-filled:hover::after { opacity: 0.08; }
.btn-filled:hover { box-shadow: 0 4px 12px rgba(60,13,109,.3); }
.btn-filled:active { transform: scale(0.98); }
.btn-filled:focus-visible { outline: 3px solid var(--md-primary-container); outline-offset: 2px; }

.btn-tonal {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--md-secondary-container); color: var(--md-on-secondary-container);
  font-size: 14px; font-weight: 500; padding: 12px 24px;
  border-radius: var(--radius-full); min-height: 48px;
  transition: box-shadow 200ms, transform 150ms;
}
.btn-tonal:hover { box-shadow: 0 2px 8px rgba(130,73,138,.2); }
.btn-tonal:active { transform: scale(0.98); }

.btn-outlined {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--md-primary);
  font-size: 14px; font-weight: 500; padding: 11px 23px;
  border-radius: var(--radius-full); min-height: 48px;
  border: 1px solid var(--md-outline);
  transition: background 200ms, border-color 200ms, transform 150ms;
}
.btn-outlined:hover { background: color-mix(in srgb, var(--md-primary) 8%, transparent); border-color: var(--md-primary); }
.btn-outlined:active { transform: scale(0.98); }
.btn-outlined:focus-visible { outline: 3px solid var(--md-primary-container); outline-offset: 2px; }

.btn-text {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--md-primary); font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius-full); min-height: 48px;
  transition: background 200ms;
}
.btn-text:hover { background: color-mix(in srgb, var(--md-primary) 8%, transparent); }

.fab {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  font-size: 16px; font-weight: 600; padding: 16px 28px;
  border-radius: var(--radius-full); min-height: 56px;
  box-shadow: 0 3px 12px rgba(60,13,109,.25);
  transition: box-shadow 250ms var(--motion-std), transform 150ms, background 200ms;
}
.fab:hover {
  background: color-mix(in srgb, var(--md-primary) 8%, var(--md-primary-container));
  box-shadow: 0 6px 20px rgba(60,13,109,.35);
}
.fab:active { transform: scale(0.98); }
.fab:focus-visible { outline: 3px solid var(--md-primary); outline-offset: 3px; }

/* ── HEADER ─────────────────────────────────────────────── */
#site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--md-primary) 5%, var(--md-surface));
  border-bottom: 1px solid var(--md-outline-variant);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 300ms;
}
#site-header.scrolled { box-shadow: 0 2px 12px rgba(60,13,109,.1); }

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center; gap: 16px;
  padding: 12px 24px;
  max-width: 1200px; margin: 0 auto;
}

.logo-link {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.logo-link img { width: 36px; height: 36px; border-radius: 8px; }
.logo-wordmark { font-size: 20px; font-weight: 700; color: var(--md-primary); letter-spacing: -.5px; }

/* Desktop nav */
.site-nav {
  display: flex; align-items: center; justify-content: center; gap: 4px;
}
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--md-on-surface-variant);
  padding: 8px 16px; border-radius: var(--radius-full); min-height: 44px;
  display: flex; align-items: center;
  position: relative; transition: color 300ms, background 300ms;
  text-decoration: none;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--md-primary);
  border-radius: 2px; transition: width 300ms var(--motion-std);
}
.nav-link:hover { color: var(--md-primary); background: color-mix(in srgb, var(--md-primary) 6%, transparent); }
.nav-link:hover::after { width: 60%; }
.nav-link.active { color: var(--md-primary); }
.nav-link.active::after { width: 60%; }

/* Hamburger */
.hamburger-btn {
  display: none; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius-full);
  color: var(--md-on-surface); transition: background 200ms;
}
.hamburger-btn:hover { background: var(--md-surface-container); }

/* Mobile dropdown */
.mobile-menu {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  background: color-mix(in srgb, var(--md-primary) 5%, var(--md-surface));
  border-bottom: 1px solid var(--md-outline-variant);
  padding: 8px 24px 16px;
  flex-direction: column; gap: 4px;
  box-shadow: 0 8px 24px rgba(60,13,109,.12);
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { justify-content: flex-start; }

.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.lang-btn {
  display: flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 500; color: var(--md-on-surface-variant);
  padding: 8px 12px; border-radius: var(--radius-full); min-height: 40px;
  border: 1px solid var(--md-outline-variant);
  transition: background 200ms, border-color 200ms;
}
.lang-btn:hover { background: var(--md-surface-container); border-color: var(--md-outline); }
.lang-btn .msr { font-size: 16px; }

/* ── HERO ───────────────────────────────────────────────── */
#hero {
  min-height: 88vh; display: flex; align-items: center;
  background: linear-gradient(160deg,
    color-mix(in srgb, var(--md-primary) 8%, var(--md-surface)) 0%,
    var(--md-surface) 50%,
    color-mix(in srgb, var(--md-secondary) 6%, var(--md-surface)) 100%
  );
  position: relative; overflow: visible; padding: 80px 0;
}
#hero::before {
  content: ''; position: absolute; top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--md-primary) 10%, transparent) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}

.hero-text { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--md-secondary);
  background: var(--md-secondary-container);
  padding: 6px 14px; border-radius: var(--radius-full); margin-bottom: 24px;
}
.hero-badge .msr { font-size: 16px; }

h1 {
  font-size: clamp(36px, 5vw, 68px); font-weight: 700;
  line-height: 1.1; letter-spacing: -1px;
  color: var(--md-on-primary-container); margin-bottom: 24px;
  text-wrap: balance;
}
h1 .accent { color: var(--md-primary); }

.hero-sub {
  font-size: clamp(15px, 1.8vw, 19px); color: var(--md-on-surface-variant);
  line-height: 1.75; margin-bottom: 40px; max-width: 480px;
}

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

.hero-trust {
  display: flex; align-items: center; gap: 8px; margin-top: 36px;
  font-size: 13px; color: var(--md-on-surface-variant);
}
.hero-trust-dots { display: flex; }
.hero-trust-dot {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--md-primary-container);
  border: 2px solid var(--md-surface);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: var(--md-on-primary-container);
  margin-left: -8px;
}
.hero-trust-dot:first-child { margin-left: 0; }

/* ── CAROUSEL ───────────────────────────────────────────── */
.hero-carousel {
  position: relative; z-index: 1;
  width: 100%; border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 24px 64px rgba(60,13,109,.2);
}

.carousel-track {
  position: relative; width: 100%; height: 100%;
}

.carousel-slide {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  opacity: 0; transition: opacity 300ms var(--motion-std);
  border-radius: var(--radius-lg);
  padding: 32px; text-align: center;
  color: white; 
}

.carousel-slide.active { opacity: 1; z-index: 1; }

.carousel-slide-1 {
  background: url('../images/kbeauty.jpg') center/cover no-repeat;
}

.carousel-slide-2 {
  background: url('../images/animemanga.jpg') center/cover no-repeat;
}

.carousel-slide-3 {
  background: url('../images/barriochino.jpg') center/cover no-repeat;
}
.carousel-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4); /* oscurece imagen */
  border-radius: inherit;
  z-index: 0;
}
.carousel-slide > * {
  position: relative;
  z-index: 1; /* delante */
}
.slide-emoji { font-size: 64px; margin-bottom: 16px; line-height: 1; }
.slide-zone {
  font-size: 28px; font-weight: 700; margin-bottom: 8px;
  color: white;
}
.slide-cat {
  font-size: 15px; font-weight: 500;
  color: white;
  background: rgba(0,0,0,0.5);
  padding: 6px 16px; border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

/* Arrow buttons */
.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 2; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.85); border: 1px solid var(--md-outline-variant);
  display: flex; align-items: center; justify-content: center;
  color: var(--md-on-surface); cursor: pointer;
  transition: background 200ms, box-shadow 200ms;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.carousel-arrow:hover { background: #fff; box-shadow: 0 4px 16px rgba(60,13,109,.2); }
.carousel-arrow:focus-visible { outline: 3px solid var(--md-primary-container); outline-offset: 2px; }
.carousel-arrow.prev { left: 12px; }
.carousel-arrow.next { right: 12px; }
.carousel-arrow .msr { font-size: 20px; }

/* Dots */
.carousel-dots {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 2;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.5); cursor: pointer;
  transition: background 200ms, transform 200ms;
  border: none; padding: 0;
}
.carousel-dot.active { background: #fff; transform: scale(1.3); }

/* ── HOW IT WORKS ───────────────────────────────────────── */
#como-funciona { background: var(--md-surface-container-low); }

.how-header { margin-bottom: 48px; }

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

.step-card {
  background: var(--md-surface); border-radius: var(--radius-lg);
  padding: 32px 24px; border: 1px solid var(--md-outline-variant);
  display: flex; flex-direction: column; gap: 16px;
  transition: box-shadow 250ms var(--motion-std), transform 250ms var(--motion-std), border-color 250ms;
}
.step-card:hover {
  box-shadow: 0 8px 24px rgba(60,13,109,.1);
  transform: translateY(-4px); border-color: var(--md-primary-container);
}

.step-number {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--md-primary); color: var(--md-on-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; flex-shrink: 0;
}

.step-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  background: var(--md-primary-container);
  display: flex; align-items: center; justify-content: center;
}
.step-icon .msr { font-size: 28px; color: var(--md-on-primary-container); }

.step-title { font-size: 17px; font-weight: 600; color: var(--md-on-surface); }
.step-body  { font-size: 14px; color: var(--md-on-surface-variant); line-height: 1.7; }

/* Brands divider */
.brands-divider {
  border: none;
  border-top: 1px solid var(--md-outline-variant);
  margin: 56px 0 48px;
}

.brands-subtitle {
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--md-on-surface-variant);
  text-align: center; margin-bottom: 32px;
}

/* Marquee */
.marquee-wrap {
  overflow: hidden; position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }

.marquee-track {
  display: flex; gap: 48px; width: max-content;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.brand-logo {
  display: flex;
  flex-direction: column; /* 👈 clave */
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 24px;
  text-align: center;
  white-space: nowrap; /* importante para marquee */
  opacity: 0.7;
  transition: all 0.3s ease;
}
.brand-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}
.brand-logo span {
  font-size: 13px;
  font-weight: 500;
  color: var(--md-on-surface); /* o white si fondo oscuro */
}
.brand-logo:hover {
  opacity: 1;
  transform: translateY(-2px);
}
/* ── SEGMENTS ───────────────────────────────────────────── */
#segments { background: var(--md-surface); }

.segments-inner { max-width: 1000px; margin: 0 auto; padding: 0 24px; text-align: center; }
.segments-header { margin-bottom: 40px; }
.segments-header .section-subtitle { margin: 0 auto; }

.tabs-list {
  display: inline-flex; background: var(--md-surface-container);
  border-radius: var(--radius-full); padding: 4px; margin-bottom: 40px; gap: 4px;
}
.tab-btn {
  padding: 12px 24px; border-radius: var(--radius-full);
  font-size: 14px; font-weight: 500; color: var(--md-on-surface-variant);
  transition: background 200ms var(--motion-std), color 200ms; min-height: 48px; white-space: nowrap;
}
.tab-btn[aria-selected="true"] { background: var(--md-primary); color: var(--md-on-primary); }
.tab-btn:focus-visible { outline: 3px solid var(--md-primary-container); outline-offset: 2px; }

.tab-panel { display: none; animation: fadePanel 300ms var(--motion-std); }
.tab-panel.active { display: block; }
@keyframes fadePanel {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.segment-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; text-align: left; }
.segment-points { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.segment-point { display: flex; align-items: flex-start; gap: 14px; }
.segment-point-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--md-primary-container); border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
}
.segment-point-icon .msr { font-size: 20px; color: var(--md-on-primary-container); }
.segment-point-text strong { display: block; font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.segment-point-text span  { font-size: 13px; color: var(--md-on-surface-variant); }

.segment-visual {
  background: var(--md-primary-container); border-radius: 20px;
  padding: 32px; display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.segment-visual-image {
  width: 100%;
  height: 140px; /* ajusta */
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
}

.segment-visual-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; 
}
.segment-visual-title { font-size: 18px; font-weight: 700; color: var(--md-on-primary-container); text-align: center; }
.segment-visual-sub   { font-size: 13px; color: var(--md-on-primary-container); opacity: .8; text-align: center; }

/* ── MEET GEOPS (videos) ────────────────────────────────── */
#conoce-geops { background: var(--md-surface-container-low); }

.conoce-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.conoce-header { margin-bottom: 48px; }

.videos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }

.video-col { }
.video-col-label {
  font-size: 12px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--md-secondary);
  background: var(--md-secondary-container);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: var(--radius-full); margin-bottom: 12px;
}
.video-col-title { font-size: 18px; font-weight: 600; margin-bottom: 12px; }

.video-frame-wrap {
  position: relative; aspect-ratio: 16 / 9;
  background: var(--md-inverse-surface);
  border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 12px;
  elevation: var(--elevation-1);
  box-shadow: 0 4px 16px rgba(60,13,109,.12);
}
.video-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
}
.video-play-btn {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--md-primary);
  display: flex; align-items: center; justify-content: center;
  transition: transform 200ms, box-shadow 200ms; cursor: pointer;
}
.video-play-btn:hover { transform: scale(1.08); box-shadow: 0 8px 24px rgba(60,13,109,.4); }
.video-play-btn .msr { font-size: 28px; color: var(--md-on-primary); }
.video-placeholder-label { font-size: 13px; color: rgba(255,255,255,.65); font-weight: 500; }
.video-col-desc { font-size: 13px; color: var(--md-on-surface-variant); line-height: 1.65; }

/* ── Q&A ACCORDION ──────────────────────────────────────── */
#preguntas-frecuentes { background: var(--md-surface); }

.qa-inner { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.qa-header { margin-bottom: 40px; }

.accordion { display: flex; flex-direction: column; gap: 8px; }

.accordion-item {
  background: var(--md-surface-container-low);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 200ms;
}
.accordion-item.open { border-color: var(--md-primary-container); }

.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; gap: 16px;
  background: none; text-align: left;
  font-size: 15px; font-weight: 600; color: var(--md-on-surface);
  cursor: pointer; transition: background 200ms;
  min-height: 60px;
}
.accordion-trigger:hover { background: var(--md-surface-container); }
.accordion-trigger:focus-visible { outline: 3px solid var(--md-primary-container); outline-offset: -2px; }

.accordion-icon {
  flex-shrink: 0; color: var(--md-primary);
  transition: transform 300ms var(--motion-std);
}
.accordion-icon .msr { font-size: 22px; }
.accordion-item.open .accordion-icon { transform: rotate(180deg); }

.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height 400ms var(--motion-std), padding 400ms;
}
.accordion-item.open .accordion-body { max-height: 300px; }

.accordion-content {
  padding: 0 24px 20px;
  font-size: 14px; color: var(--md-on-surface-variant);
  line-height: 1.75;
}
.accordion-content .btn-outlined { margin-top: 16px; }

/* ── FOOTER ─────────────────────────────────────────────── */
#site-footer {
  background: var(--md-inverse-surface); color: var(--md-inverse-on-surface);
  padding: 64px 0 32px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.footer-top {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}

.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo img { width: 36px; height: 36px; border-radius: 8px; }
.footer-logo span { font-size: 20px; font-weight: 700; color: #fff; }
.footer-tagline { font-size: 14px; opacity: .7; line-height: 1.7; margin-bottom: 24px; }

.footer-socials { display: flex; gap: 12px; }
.footer-social {
  width: 40px; height: 40px; background: rgba(255,255,255,.1);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  transition: background 200ms;
}
.footer-social:hover { background: rgba(255,255,255,.2); }
.footer-social .msr { font-size: 20px; color: rgba(255,255,255,.8); }

.footer-col-title {
  font-size: 13px; font-weight: 600; letter-spacing: .5px;
  margin-bottom: 16px; text-transform: uppercase; opacity: .6;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 14px; opacity: .75; transition: opacity 200ms; }
.footer-link:hover { opacity: 1; }
.footer-link a { color: inherit; }

.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,.12); margin-bottom: 24px; }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; font-size: 13px; opacity: .6;
}
.footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-legal a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }

  /* Header */
  .header-inner { grid-template-columns: auto 1fr auto; }
  .logo-wordmark { display: none; }
  .site-nav { display: none; }
  .hamburger-btn { display: flex; }
  .lang-btn span:not(.msr) { display: none; }

  /* Hero */
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-sub { margin: 0 auto 40px; }
  .hero-cta { justify-content: center; }
  .hero-trust { justify-content: center; }
  .carousel-arrow { display: none; }

  /* How it works */
  .steps-grid { grid-template-columns: 1fr; }

  /* Segments */
  .segment-panel { grid-template-columns: 1fr; }
  .segment-visual { display: none; }

  /* Videos */
  .videos-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .tabs-list { flex-direction: column; border-radius: var(--radius-lg); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}