/* =============================================================
   RESET & BASE
============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0a0a0a;
  --bg-2:        #111111;
  --bg-3:        #181818;
  --border:      rgba(255,255,255,0.08);
  --ocean:       #0ea5e9;
  --ocean-dark:  #0284c7;
  --sand:        #f5c842;
  --white:       #ffffff;
  --grey:        #a0a0a0;
  --grey-light:  #d4d4d4;
  --danger:      #ef4444;

  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius:   12px;
  --radius-lg: 20px;
  --shadow:   0 4px 40px rgba(0,0,0,0.5);
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
s  { opacity: 0.5; }

/* =============================================================
   LAYOUT
============================================================= */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 760px; }

/* =============================================================
   BUTTONS
============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: none;
  text-align: center;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--sm  { padding: 10px 20px; font-size: 14px; background: rgba(255,255,255,0.1); color: var(--white); border: 1px solid var(--border); }
.btn--sm:hover { background: rgba(255,255,255,0.15); }

.btn--primary {
  background: linear-gradient(135deg, var(--ocean), var(--ocean-dark));
  color: var(--white);
  box-shadow: 0 4px 24px rgba(14,165,233,0.35);
}
.btn--primary:hover { box-shadow: 0 8px 32px rgba(14,165,233,0.5); }

.btn--lg  { padding: 16px 32px; font-size: 17px; }
.btn--xl  { padding: 20px 40px; font-size: 19px; border-radius: 14px; }

/* =============================================================
   TYPOGRAPHY HELPERS
============================================================= */
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--ocean);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: 1px;
  margin-bottom: 48px;
}
.section-title em { color: var(--ocean); font-style: normal; }

/* =============================================================
   HERO
============================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 60% 0%, rgba(14,165,233,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 0% 100%, rgba(245,200,66,0.06) 0%, transparent 50%),
    linear-gradient(to bottom, rgba(10,10,10,0.72) 0%, rgba(10,10,10,0.88) 100%),
    url('https://images.unsplash.com/photo-1502680390469-be75c86b636f?w=1920&auto=format&fit=crop&q=80') center/cover no-repeat;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero__noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

/* NAV */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
}
.nav__logo span { color: var(--ocean); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}
.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 600;
  transition: background 0.15s;
  white-space: nowrap;
}
.lang-switcher__btn:hover { background: rgba(255,255,255,0.13); }

.lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: none;
  min-width: 160px;
  z-index: 200;
  box-shadow: var(--shadow);
}
.lang-switcher.open .lang-switcher__dropdown { display: block; }

.lang-switcher__option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--grey-light);
  transition: background 0.15s;
}
.lang-switcher__option:hover { background: rgba(255,255,255,0.06); }
.lang-switcher__option.active { color: var(--ocean); font-weight: 600; }
.lang-flag { font-size: 18px; line-height: 1; }

/* HERO CONTENT */
.hero__content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px 40px;
}

.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(14,165,233,0.12);
  border: 1px solid rgba(14,165,233,0.3);
  color: var(--ocean);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(60px, 10vw, 110px);
  line-height: 0.95;
  letter-spacing: 2px;
  margin-bottom: 28px;
}
.hero__title em { color: var(--ocean); font-style: normal; }

.hero__sub {
  max-width: 560px;
  color: var(--grey-light);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 60px;
}

.hero__cta-note {
  font-size: 13px;
  color: var(--grey);
}

/* MOCKUP */
.mockup {
  position: relative;
  perspective: 1000px;
}
.mockup__cover {
  width: 200px;
  height: 280px;
  background: linear-gradient(135deg, #0c2a3d 0%, #0a1a2e 100%);
  border-radius: 8px;
  border: 1px solid rgba(14,165,233,0.3);
  box-shadow: -8px 8px 40px rgba(0,0,0,0.6), 0 0 60px rgba(14,165,233,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transform: rotateY(-8deg) rotateX(4deg);
  transition: transform 0.4s ease;
}
.mockup__cover:hover { transform: rotateY(0deg) rotateX(0deg); }

.mockup__wave {
  font-size: 36px;
  color: var(--ocean);
  letter-spacing: -4px;
}
.mockup__title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 3px;
  text-align: center;
  line-height: 1.4;
  color: var(--white);
}
.mockup__year {
  font-size: 11px;
  color: var(--sand);
  letter-spacing: 4px;
}

.hero__scroll {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-bottom: 24px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--grey);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* =============================================================
   SOCIAL PROOF
============================================================= */
.social-proof {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.social-proof__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.social-proof__stat {
  flex: 1;
  min-width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px;
}
.stat__number {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--ocean);
  letter-spacing: 1px;
}
.stat__label {
  font-size: 13px;
  color: var(--grey);
  text-align: center;
}
.social-proof__divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* =============================================================
   PHOTO GALLERY
============================================================= */
.photo-gallery {
  padding: 0;
  overflow: hidden;
}
.photo-gallery__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  height: 380px;
}
.photo-gallery__item {
  overflow: hidden;
  position: relative;
}
.photo-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
  filter: brightness(0.85);
}
.photo-gallery__item:hover img {
  transform: scale(1.05);
  filter: brightness(1);
}

@media (max-width: 768px) {
  .photo-gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 220px 220px;
    height: auto;
  }
  .photo-gallery__item:first-child {
    grid-column: 1 / -1;
  }
}

/* =============================================================
   PROBLEM
============================================================= */
.problem {
  padding: 100px 0;
  text-align: center;
}
.problem__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.problem__item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.problem__icon { font-size: 28px; }
.problem__item p { color: var(--grey-light); font-size: 15px; }
.problem__bridge {
  color: var(--grey-light);
  font-size: 18px;
  font-style: italic;
  border-left: 3px solid var(--ocean);
  padding-left: 20px;
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================================
   INSIDE
============================================================= */
.inside {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.inside .section-title,
.inside .section-label { text-align: center; }

.inside__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.inside__card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.inside__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ocean), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.inside__card:hover { border-color: rgba(14,165,233,0.3); transform: translateY(-3px); }
.inside__card:hover::before { opacity: 1; }

.inside__num {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--ocean);
  margin-bottom: 12px;
}
.inside__card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.inside__card p { font-size: 14px; color: var(--grey); line-height: 1.6; }

/* =============================================================
   FOR WHO
============================================================= */
.for-who {
  padding: 100px 0;
  text-align: center;
}
.for-who__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.for-who__yes,
.for-who__no {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: left;
}
.for-who__yes { border-color: rgba(34,197,94,0.25); }
.for-who__no  { border-color: rgba(239,68,68,0.2); }

.for-who__yes h3 { color: #22c55e; margin-bottom: 20px; }
.for-who__no  h3 { color: var(--danger); margin-bottom: 20px; }

.for-who__yes li,
.for-who__no  li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--grey-light);
}
.for-who__yes li:last-child,
.for-who__no  li:last-child { border-bottom: none; }

/* =============================================================
   TESTIMONIALS
============================================================= */
.testimonials {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.testimonials .section-title,
.testimonials .section-label { text-align: center; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: start;
}
.testimonial {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial--featured {
  border-color: rgba(14,165,233,0.35);
  background: linear-gradient(135deg, rgba(14,165,233,0.05), var(--bg-3));
  transform: scale(1.02);
}
.testimonial__stars { color: var(--sand); font-size: 18px; margin-bottom: 16px; }
.testimonial p { color: var(--grey-light); font-size: 15px; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.testimonial__author { display: flex; align-items: center; gap: 14px; }
.testimonial__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ocean), var(--ocean-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}
.testimonial__author strong { display: block; font-size: 15px; }
.testimonial__author span  { font-size: 13px; color: var(--grey); }

/* =============================================================
   OFFER
============================================================= */
.offer {
  padding: 100px 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(14,165,233,0.08) 0%, transparent 60%), var(--bg);
}
.offer .section-title,
.offer .section-label { text-align: center; }

.offer__box {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  align-items: center;
}
.offer__badge {
  display: inline-block;
  background: rgba(245,200,66,0.1);
  border: 1px solid rgba(245,200,66,0.3);
  color: var(--sand);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.offer__title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
.offer__items li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--grey-light);
}
.offer__items li:last-child { border-bottom: none; }

.offer__guarantee {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 28px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.offer__guarantee-icon { font-size: 28px; flex-shrink: 0; }
.offer__guarantee strong { display: block; margin-bottom: 4px; }
.offer__guarantee p { font-size: 14px; color: var(--grey); }

.offer__price-box {
  background: var(--bg-3);
  border: 1px solid rgba(14,165,233,0.25);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.offer__original { font-size: 15px; color: var(--grey); }
.offer__price {
  font-family: var(--font-display);
  font-size: 72px;
  color: var(--ocean);
  line-height: 1;
  letter-spacing: 2px;
}
.offer__installment { font-size: 13px; color: var(--grey); }
.offer__cta { width: 100%; }

.offer__methods {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.offer__methods span {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--grey-light);
}
.offer__secure { font-size: 13px; color: var(--grey); }

/* =============================================================
   FAQ
============================================================= */
.faq { padding: 100px 0; }
.faq .section-title,
.faq .section-label { text-align: center; }

.faq__list { display: flex; flex-direction: column; gap: 8px; }
.faq__item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq__q {
  width: 100%;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq__q::after {
  content: '+';
  font-size: 22px;
  color: var(--ocean);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq__item.open .faq__q::after { transform: rotate(45deg); }
.faq__a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--grey-light);
  font-size: 15px;
  line-height: 1.7;
}
.faq__item.open .faq__a { max-height: 200px; padding: 0 24px 20px; }

/* =============================================================
   FINAL CTA
============================================================= */
.final-cta {
  padding: 120px 0;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(14,165,233,0.18) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(10,10,10,0.82) 0%, rgba(10,10,10,0.88) 100%),
    url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?w=1920&auto=format&fit=crop&q=80') center/cover no-repeat;
  border-top: 1px solid var(--border);
}
.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.1;
  margin-bottom: 24px;
}
.final-cta__sub {
  color: var(--grey-light);
  font-size: 18px;
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.final-cta__note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--grey);
}

/* =============================================================
   FOOTER
============================================================= */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer .container { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer__logo { font-family: var(--font-display); font-size: 18px; letter-spacing: 3px; }
.footer__logo span { color: var(--ocean); }
.footer p { font-size: 13px; color: var(--grey); }
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer__links a { font-size: 13px; color: var(--grey); transition: color 0.2s; }
.footer__links a:hover { color: var(--ocean); }

/* =============================================================
   RESPONSIVE
============================================================= */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .nav__right { gap: 8px; }

  .social-proof__divider { display: none; }

  .for-who__grid { grid-template-columns: 1fr; }

  .offer__box { grid-template-columns: 1fr; }
  .testimonial--featured { transform: none; }

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

@media (max-width: 480px) {
  .lang-switcher__btn span { display: none; }
  .btn--xl { padding: 16px 28px; font-size: 17px; }
  .offer__price { font-size: 56px; }
}