/* === BASE === */
:root {
  --color-white: #ffffff;
  --color-navy: #0a1f44;
  --color-navy-2: #12376d;
  --color-navy-3: #071733;
  --color-orange: #ffb900;
  --color-green: #1db954;
  --color-green-dark: #118a3d;
  --color-ink: #10213d;
  --color-muted: #667085;
  --color-soft: #f5f8fc;
  --color-page: #eef2ff;
  --color-surface: #f8fbff;
  --color-surface-2: #f7faff;
  --color-youtube: #ff0000;
  --color-line: rgba(10, 31, 68, 0.12);
  --shadow-sm: 0 10px 30px rgba(10, 31, 68, 0.1);
  --shadow-md: 0 18px 55px rgba(10, 31, 68, 0.16);
  --shadow-lg: 0 26px 80px rgba(10, 31, 68, 0.25);
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Open Sans", sans-serif;
  --radius-sm: 8px;
  --radius-md: 8px;
  --radius-pill: 99px;
  --container: 73.75rem;
  --header-height: 4.875rem;
  --transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 34px);
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-page);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.08;
  letter-spacing: 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  transform: translateY(-140%);
  border-radius: var(--radius-sm);
  background: var(--color-page);
  color: var(--color-navy);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
}

.section--soft {
  background:
    radial-gradient(circle at top left, rgba(255, 185, 0, 0.08), transparent 32rem),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-page) 100%);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto clamp(2.2rem, 5vw, 3.5rem);
  text-align: center;
}

.section-heading h2 {
  margin-top: 0.7rem;
  color: var(--color-navy);
  font-size: clamp(2rem, 4.6vw, 3.45rem);
}

.section-heading p {
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
}

.section-heading--dark h2,
.section-heading--dark p {
  color: var(--color-white);
}

.section-heading--dark p {
  opacity: 0.78;
}

.section-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-orange);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-kicker::before,
.eyebrow::before {
  content: "";
  width: 2.4rem;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-orange);
}

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: var(--radius-sm);
  padding: 0.82rem 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(0.86rem, 1.6vw, 0.92rem);
  font-weight: 800;
  line-height: 1.15;
  overflow: hidden;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition),
    color var(--transition);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateX(-120%) skewX(-18deg);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  transition: transform 650ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn:hover::after,
.btn:focus-visible::after {
  transform: translateX(120%) skewX(-18deg);
}

.btn--outline {
  border: 1px solid rgba(255, 185, 0, 0.95);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 14px 38px rgba(255, 185, 0, 0.18);
  backdrop-filter: blur(10px);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--color-orange);
  background: rgba(255, 185, 0, 0.18);
}

.btn--whatsapp,
.btn--buy {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-green), var(--color-green-dark));
  box-shadow: 0 16px 35px rgba(29, 185, 84, 0.26);
}

.btn--whatsapp:hover,
.btn--whatsapp:focus-visible,
.btn--buy:hover,
.btn--buy:focus-visible {
  box-shadow: 0 20px 45px rgba(29, 185, 84, 0.34);
}

.btn--secondary {
  border: 1px solid rgba(10, 31, 68, 0.14);
  color: var(--color-navy);
  background: var(--color-page);
  box-shadow: var(--shadow-sm);
}

/* === PRODUCT CARDS === */
.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(238, 242, 255, 0.92);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.product-card:hover,
.product-card:focus-within {
  transform: translateY(-8px);
  border-color: rgba(255, 185, 0, 0.4);
  box-shadow: var(--shadow-md);
}

.product-card__image-link {
  display: block;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.08), rgba(255, 185, 0, 0.08));
}

.product-card__image-link img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 450ms ease;
}

.product-card:hover .product-card__image-link img {
  transform: scale(1.035);
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.35rem;
}

.product-card h3 {
  color: var(--color-navy);
  font-size: clamp(1.08rem, 2vw, 1.22rem);
}

.product-card p {
  color: var(--color-muted);
  font-size: clamp(0.93rem, 1.7vw, 0.97rem);
}

.product-card .btn {
  width: 100%;
  margin-top: auto;
}

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 750ms ease,
    transform 750ms ease;
  will-change: opacity, transform;
}

.reveal-right {
  transform: translateX(34px);
}

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

.reveal-delay-1 {
  transition-delay: 110ms;
}

.reveal-delay-2 {
  transition-delay: 220ms;
}

.reveal-delay-3 {
  transition-delay: 330ms;
}

.reveal-delay-4 {
  transition-delay: 440ms;
}

/* === FLOATING ACTIONS === */
.floating-whatsapp {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: clamp(1rem, 3vw, 1.5rem);
  z-index: 90;
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-green), var(--color-green-dark));
  color: var(--color-white);
  padding: 0.9rem 1.08rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  box-shadow: 0 18px 42px rgba(29, 185, 84, 0.36);
  animation: pulse-whatsapp 2.4s infinite;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.floating-whatsapp i {
  font-size: 1.25rem;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 24px 54px rgba(29, 185, 84, 0.45);
}

.back-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: calc(clamp(1rem, 3vw, 1.5rem) + 72px);
  z-index: 91;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 14px 34px rgba(10, 31, 68, 0.26);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-3px);
  background: var(--color-navy-2);
  box-shadow: 0 18px 40px rgba(10, 31, 68, 0.34);
}

.back-to-top i {
  font-size: 1rem;
  line-height: 1;
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(29, 185, 84, 0.48);
  }
  72% {
    box-shadow: 0 0 0 18px rgba(29, 185, 84, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(29, 185, 84, 0);
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 4.5rem;
  }

  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .section {
    padding: 4rem 0;
  }

  .btn {
    width: 100%;
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .floating-whatsapp {
    right: 0.85rem;
    bottom: 0.85rem;
    min-height: 44px;
    padding: 0.62rem 0.78rem;
    font-size: 0.82rem;
  }

  .floating-whatsapp i {
    font-size: 1.12rem;
  }

  .back-to-top {
    right: 0.85rem;
    bottom: calc(0.85rem + 56px);
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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