/* ============================================================
   AQUA LUX PRO — Styles
   Design: Natural Spa — warm, tranquil, luxurious
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  /* ---- Blue Water Palette ---- */
  --deep-blue: #0B1F3B;
  --ocean: #1976D2;
  --water: #42A5F5;
  --light-water: #E3F2FD;
  --accent: #C9A86A;
  --bg: #F8FAFD;
  --ink: #1A2332;
  --whatsapp: #25D366;

  /* compat aliases — keep old var names working */
  --deep-teal: var(--deep-blue);
  --water-teal: var(--ocean);
  --light-aqua: var(--light-water);
  --champagne: var(--accent);
  --warm-white: var(--bg);

  --font-heading: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(11, 31, 59, 0.06);
  --shadow-md: 0 8px 32px rgba(11, 31, 59, 0.10);
  --shadow-lg: 0 16px 48px rgba(11, 31, 59, 0.14);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 20px 0;
  margin: 0;
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--water-teal);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--deep-teal);
  text-decoration: underline;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 8px;
  color: color-mix(in srgb, var(--ink) 30%, transparent);
}

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section--alt {
  background: var(--light-aqua);
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--deep-teal);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 9999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn--sm {
  font-size: 13px;
  padding: 8px 16px;
}

.btn--primary {
  background: var(--water-teal);
  color: #fff;
  border-color: var(--water-teal);
}

.btn--primary:hover {
  background: var(--deep-teal);
  border-color: var(--deep-teal);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: #fff;
  border-color: var(--whatsapp);
}

.btn--whatsapp:hover {
  background: #1da851;
  border-color: #1da851;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn--outline-champagne {
  background: transparent;
  color: var(--champagne);
  border-color: var(--champagne);
}

.btn--outline-champagne:hover {
  background: var(--champagne);
  color: #fff;
  transform: translateY(-1px);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  transform: translateY(-1px);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn__icon {
  flex-shrink: 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(248, 250, 253, 0.92);
  transition: background var(--transition-slow),
              box-shadow var(--transition-slow),
              backdrop-filter var(--transition-slow);
}

/* homepage: transparent on top of dark hero */
.header--home {
  background: transparent;
}

.header.scrolled {
  background: rgba(248, 250, 253, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(11, 31, 59, 0.08);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--deep-teal);
  flex-shrink: 0;
}

.header__logo-icon {
  font-size: 1.4rem;
  color: var(--champagne);
}

/* ---- Nav ---- */
.header__nav-list {
  display: flex;
  gap: 32px;
}

.header__nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--champagne);
  transition: width var(--transition);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after {
  width: 100%;
}

/* ---- Header: transparent-on-dark (homepage hero) ---- */
.header--home .header__logo { color: #fff; }
.header--home .header__logo-icon { color: var(--accent); }
.header--home .header__nav-link { color: rgba(255, 255, 255, 0.82); }
.header--home .header__nav-link:hover { color: #fff; }
.header--home .header__social { color: rgba(255, 255, 255, 0.65); }
.header--home .header__social:hover { color: #fff; }
.header--home .header__hamburger-line { background: rgba(255, 255, 255, 0.85); }

/* When scrolled, override back to dark */
.header--home.scrolled .header__logo { color: var(--deep-blue); }
.header--home.scrolled .header__logo-icon { color: var(--accent); }
.header--home.scrolled .header__nav-link { color: var(--ink); }
.header--home.scrolled .header__nav-link:hover { color: var(--deep-blue); }
.header--home.scrolled .header__social { color: color-mix(in srgb, var(--ink) 60%, transparent); }
.header--home.scrolled .header__social:hover { color: var(--deep-blue); }
.header--home.scrolled .header__hamburger-line { background: var(--deep-blue); }

/* ---- Header Actions ---- */
.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  transition: color .2s ease, transform .2s ease;
}
.header__social:hover {
  color: var(--deep-blue);
  transform: translateY(-1px);
}

/* ---- Hamburger ---- */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.header__hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--deep-teal);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.header__hamburger.active .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger.active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0B1F3B 0%, #0D2A50 40%, #0F3460 100%);
}

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

/* 水波/光影动画层 */
.hero__water-layer {
  position: absolute;
  inset: 0;
}

.hero__water-layer--1 {
  background: radial-gradient(ellipse at 30% 50%, rgba(66, 165, 245, 0.25) 0%, transparent 60%);
  animation: waterShift1 8s ease-in-out infinite;
}

.hero__water-layer--2 {
  background: radial-gradient(ellipse at 70% 40%, rgba(25, 118, 210, 0.18) 0%, transparent 55%);
  animation: waterShift2 10s ease-in-out infinite;
}

.hero__water-layer--3 {
  background: radial-gradient(ellipse at 50% 70%, rgba(66, 165, 245, 0.15) 0%, transparent 50%);
  animation: waterShift3 12s ease-in-out infinite;
}

@keyframes waterShift1 {
  0%, 100% { transform: scale(1) translate(0, 0); }
  25%  { transform: scale(1.1) translate(-2%, 1%); }
  50%  { transform: scale(1.05) translate(1%, -1%); }
  75%  { transform: scale(1.08) translate(-1%, 0.5%); }
}

@keyframes waterShift2 {
  0%, 100% { transform: scale(1) translate(0, 0); }
  33%  { transform: scale(1.12) translate(1%, -0.5%); }
  66%  { transform: scale(1.04) translate(-0.5%, 1%); }
}

@keyframes waterShift3 {
  0%, 100% { transform: scale(1) translate(0, 0); }
  50%  { transform: scale(1.08) translate(-1%, -0.5%); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 31, 59, 0.35) 0%,
    rgba(11, 31, 59, 0.2) 50%,
    rgba(11, 31, 59, 0.45) 100%
  );
  z-index: 1;
}

.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 2;
  line-height: 0;
}

.hero__wave svg {
  width: 100%;
  height: 80px;
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  padding: 120px 0 60px;
}

.hero__brand {
  font-family: var(--font-heading);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto 36px;
  opacity: 0.9;
}

.hero__ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__catalog-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: all 0.25s ease;
  margin-bottom: 36px;
}

.hero__catalog-link:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---- Trust Bar ---- */
.hero__trust {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  opacity: 0.8;
}

.hero__trust-icon {
  font-size: 16px;
}

.hero__bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ============================================================
   PRODUCTS
   ============================================================ */
.products__toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 48px;
}

.products__toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-right: 8px;
}

.products__toggle-option {
  padding: 8px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--deep-teal);
  background: transparent;
  color: var(--deep-teal);
  cursor: pointer;
  transition: all var(--transition);
}

.products__toggle-option:first-of-type {
  border-radius: 9999px 0 0 9999px;
}

.products__toggle-option:last-of-type {
  border-radius: 0 9999px 9999px 0;
}

.products__toggle-option--active {
  background: var(--deep-teal);
  color: #fff;
}

.products__toggle-option:hover:not(.products__toggle-option--active) {
  background: rgba(10, 61, 63, 0.06);
}

/* ---- Product Cards ---- */
.products__grid,
.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(201, 168, 106, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-slow),
              box-shadow var(--transition-slow);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--light-aqua);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-card__image {
  transform: scale(1.04);
}

.product-card > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-card:hover > img {
  transform: scale(1.04);
  transition: transform 0.6s ease;
}

.product-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--champagne);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 9999px;
}

.product-card__body {
  padding: 28px;
}

.product-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 2px;
}

.product-card__name,
.product-card__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--deep-teal);
  margin: 0;
  line-height: 1.2;
  flex: 1;
}

.product-card__price {
  font-size: 13px;
  color: var(--champagne);
  font-weight: 600;
  padding: 6px 12px;
  display: inline-block;
  border: 1px solid rgba(201, 168, 106, 0.25);
  border-radius: 6px;
  background: rgba(201, 168, 106, 0.06);
  white-space: nowrap;
  flex-shrink: 0;
  margin: 0;
}

.product-card__series,
.product-card__subtitle {
  font-size: 14px;
  color: var(--champagne);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.product-card__specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--light-aqua);
}

.product-card__spec {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.product-card__spec-label {
  font-size: 13px;
  font-weight: 500;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  flex-shrink: 0;
}

.product-card__spec-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}

.product-card__specs li {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.product-card__specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--water-teal);
}

.product-card__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.product-card__features li {
  font-size: 14px;
  padding-left: 20px;
  position: relative;
  color: color-mix(in srgb, var(--ink) 80%, transparent);
}

.product-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--water-teal);
}

/* ---- Product Card Full (Products page) ---- */
.product-cards--full {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.product-card--full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-card__desc {
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ---- Material Toggle ---- */
.material-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.material-toggle__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-right: 8px;
}

.material-toggle__btn {
  padding: 8px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--deep-teal);
  background: transparent;
  color: var(--deep-teal);
  cursor: pointer;
  transition: all var(--transition);
}

.material-toggle__btn:first-of-type {
  border-radius: 9999px 0 0 9999px;
}

.material-toggle__btn:last-of-type {
  border-radius: 0 9999px 9999px 0;
}

.material-toggle__btn--active {
  background: var(--deep-teal);
  color: #fff;
}

.material-toggle__btn:hover:not(.material-toggle__btn--active) {
  background: rgba(10, 61, 63, 0.06);
}

/* ---- Comparison Table ---- */
.comparison__table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}

.comparison__table th,
.comparison__table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--light-aqua);
}

.comparison__table thead th {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--deep-teal);
  background: rgba(212, 232, 228, 0.35);
}

.comparison__table tbody th {
  font-weight: 600;
  color: var(--deep-teal);
  background: rgba(212, 232, 228, 0.15);
  width: 30%;
}

.comparison__table tbody td {
  color: color-mix(in srgb, var(--ink) 80%, transparent);
}

/* ---- Section Intro & CTA ---- */
.section__intro {
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  line-height: 1.7;
}

.section__cta {
  text-align: center;
  padding: 48px 0;
}

.section__cta h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--deep-teal);
  margin-bottom: 12px;
}

.section__cta p {
  color: color-mix(in srgb, var(--ink) 65%, transparent);
  margin-bottom: 24px;
}

/* ---- Product Detail ---- */
.product-detail__hero {
  margin-bottom: 40px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.product-detail__hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail__overview {
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--ink) 80%, transparent);
  line-height: 1.8;
  max-width: 800px;
  margin-bottom: 48px;
}

.product-detail__specs,
.product-detail__configuration,
.product-detail__upgrade {
  margin-bottom: 48px;
}

/* ---- Config List ---- */
.config-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.config-list__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 80%, transparent);
}

.config-list__icon {
  color: var(--champagne);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---- FAQ ---- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--light-aqua);
  padding: 24px 0;
}

.faq__item:first-child {
  padding-top: 0;
}

.faq__question {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--deep-teal);
  margin-bottom: 10px;
}

.faq__answer {
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
  line-height: 1.7;
}

.faq__answer a {
  color: var(--water-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq__answer a:hover {
  color: var(--deep-teal);
}

/* ============================================================
   WHY US
   ============================================================ */
.why-us__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 72px;
}

.value-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(201, 168, 106, 0.15);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition-slow),
              box-shadow var(--transition-slow);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.value-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--deep-teal);
  margin-bottom: 12px;
}

.value-card__desc {
  font-size: 14px;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
  line-height: 1.65;
}

/* ---- Stats ---- */
.why-us__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.stat {
  text-align: center;
  min-width: 120px;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 600;
  color: var(--champagne);
  line-height: 1;
  display: block;
}

.stat__unit {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--deep-teal);
}

.stat__label {
  display: block;
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin-top: 4px;
}

/* ---- Timeline ---- */
.timeline {
  margin-bottom: 72px;
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--deep-teal);
  text-align: center;
  margin-bottom: 40px;
}

.timeline__track {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: 0 10px;
}

.timeline__track::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--water-teal), var(--champagne), var(--water-teal));
}

.timeline__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  flex: 1;
  min-width: 0;
}

.timeline__dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--warm-white);
  border: 3px solid var(--water-teal);
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}

.timeline__step-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--deep-teal);
  margin-bottom: 4px;
}

.timeline__step-desc {
  font-size: 12px;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
}

/* ---- Gallery ---- */
.why-us__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-us__gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--light-aqua);
  position: relative;
}

.why-us__gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-us__gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(transparent, rgba(10, 61, 63, 0.7));
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(201, 168, 106, 0.12);
  transition: transform var(--transition-slow),
              box-shadow var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-card__image-wrap {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--light-aqua);
}

.project-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card__image-wrap img {
  transform: scale(1.04);
}

.project-card__body {
  padding: 20px;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--deep-teal);
  margin-bottom: 8px;
}

.project-card__desc {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  margin-bottom: 12px;
  line-height: 1.5;
}

.project-card__location {
  font-size: 12px;
  font-weight: 600;
  color: var(--champagne);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}

/* ---- Form ---- */
.contact__form-wrap {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(201, 168, 106, 0.12);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group--full {
  margin-bottom: 24px;
}

.form__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.form__required {
  color: #c0392b;
}

.form__input {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 16px;
  border: 1.5px solid color-mix(in srgb, var(--ink) 15%, transparent);
  border-radius: var(--radius-sm);
  background: var(--warm-white);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form__input:focus {
  border-color: var(--water-teal);
  box-shadow: 0 0 0 3px rgba(95, 168, 160, 0.15);
}

.form__input::placeholder {
  color: color-mix(in srgb, var(--ink) 35%, transparent);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%231A2B2B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

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

/* ---- Info Card ---- */
.contact__info-card {
  background: var(--deep-teal);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.contact__info-name {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact__info-role {
  font-size: 14px;
  opacity: 0.7;
  margin-bottom: 24px;
}

.contact__info-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin-bottom: 24px;
}

.contact__info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact__info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
}

.contact__info-list a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.3);
}

.contact__info-list a:hover {
  text-decoration-color: var(--champagne);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--deep-teal);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #fff;
  display: inline-block;
  margin-bottom: 16px;
}

.footer__slogan {
  font-size: 14px;
  line-height: 1.6;
  max-width: 320px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--champagne);
  margin-bottom: 16px;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: #fff;
}

.footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer__contact a {
  color: rgba(255, 255, 255, 0.65);
}

.footer__contact a:hover {
  color: #fff;
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
}

/* ---- Social Media (Footer) ---- */
.alp-social{display:flex;align-items:center;gap:14px;margin-top:20px}
.alp-social__label{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#9aa3ad;font-weight:600}
.alp-social__icons{display:flex;gap:10px}
.alp-social__btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.15);color:#c7ced6;background:transparent;transition:all .25s ease;text-decoration:none}
.alp-social__btn:hover{transform:translateY(-2px)}
.alp-social__btn--tiktok:hover{color:#fff;border-color:#fff;background:#000}
.alp-social__btn--fb:hover{color:#fff;border-color:#1877F2;background:#1877F2}
.alp-social__btn--ig:hover{color:#fff;border-color:transparent;background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
@media(max-width:600px){.alp-social{flex-direction:column;align-items:flex-start;gap:10px}}

/* ---- Certifications ---- */
.certs__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.cert-card{background:rgba(255,255,255,.7);border:1px solid rgba(201,168,106,.15);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:transform var(--transition-slow),box-shadow var(--transition-slow)}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.cert-card__logo{font-size:2rem;font-weight:700;color:var(--champagne);margin-bottom:12px;letter-spacing:.04em}
.cert-card__name{font-size:14px;font-weight:600;color:var(--deep-teal)}
@media(max-width:768px){.certs__grid{grid-template-columns:repeat(2,1fr)}}

/* ---- Project Card Overlay ---- */
.project-card__image-wrap{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--light-aqua)}
.project-card__image-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.project-card:hover .project-card__image-wrap img{transform:scale(1.05)}
.project-card__overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(10,61,63,0);transition:background .35s ease;text-decoration:none}
.project-card:hover .project-card__overlay{background:rgba(10,61,63,.55)}
.project-card__overlay span{color:#fff;font-size:14px;font-weight:600;opacity:0;transform:translateY(8px);transition:all .3s ease .05s}
.project-card:hover .project-card__overlay span{opacity:1;transform:translateY(0)}

/* ---- Form hint ---- */
.form__hint{font-size:14px;color:color-mix(in srgb,var(--ink) 50%,transparent);margin-top:10px;line-height:1.5}

/* ---- Hero secondary link ---- */
.hero-link-secondary:hover{color:#fff!important;text-decoration:underline;text-underline-offset:4px}

/* ---- Social Media (Contact Card) ---- */
.alp-card-social{margin-top:24px;padding-top:20px;border-top:1px solid rgba(0,0,0,.08)}
.alp-card-social__title{font-size:14px;color:#5a6470;margin:0 0 12px;font-weight:500}
.alp-card-social__row{display:flex;flex-wrap:wrap;gap:10px}
.alp-cs-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:8px;border:1px solid #d8dde3;color:#3a424b;font-size:14px;font-weight:600;text-decoration:none;transition:all .22s ease;background:#fff}
.alp-cs-btn:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(0,0,0,.1);border-color:#0a4d68;color:#0a4d68}

/* ============================================================
   FLOATING ACTION BUTTON (WhatsApp)
   ============================================================ */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fabPulse 2s ease-in-out infinite;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  animation: none;
}

@keyframes fabPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50%      { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.65); }
}

/* ============================================================
   RESPONSIVE — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  .products__grid,
  .product-cards {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .product-card--full {
    grid-template-columns: 1fr;
  }

  .product-card--full > img {
    aspect-ratio: 16 / 9;
  }

  .why-us__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact__info-card {
    position: static;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline__track {
    flex-wrap: wrap;
    gap: 24px;
  }

  .timeline__track::before {
    display: none;
  }

  .timeline__step {
    flex: 0 0 calc(33.333% - 16px);
  }
}

/* ============================================================
   RESPONSIVE — Mobile
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  .section {
    padding: 64px 0;
  }

  /* ---- Header ---- */
  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 250, 253, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 1000;
  }

  .header__nav.open {
    opacity: 1;
    pointer-events: auto;
  }

  .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .header__nav-link {
    font-size: 1.3rem;
    font-family: var(--font-heading);
  }

  .header__hamburger {
    display: flex;
  }

  .header__actions .btn__label {
    display: none;
  }

  .header__actions .btn {
    padding: 8px 12px;
  }

  .header__actions .btn__icon {
    margin: 0;
  }

  /* ---- Hero ---- */
  .hero__trust {
    gap: 16px;
  }

  .hero__trust-item {
    font-size: 12px;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

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

  .product-card__body {
    padding: 20px;
  }

  .product-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .product-card__price {
    white-space: normal;
  }

  .comparison__table th,
  .comparison__table td {
    padding: 10px 14px;
    font-size: 13px;
  }

  /* ---- Why Us ---- */
  .why-us__cards {
    grid-template-columns: 1fr;
  }

  .why-us__stats {
    gap: 32px;
  }

  .stat__number {
    font-size: 2.4rem;
  }

  .timeline__step {
    flex: 0 0 calc(50% - 12px);
  }

  .why-us__gallery {
    grid-template-columns: 1fr;
  }

  /* ---- Projects ---- */
  .projects__grid {
    grid-template-columns: 1fr;
  }

  /* ---- Contact ---- */
  .form__row {
    grid-template-columns: 1fr;
  }

  .contact__form-wrap {
    padding: 24px;
  }

  .form__actions {
    flex-direction: column;
  }

  .form__actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* ---- Footer ---- */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .fab svg {
    width: 24px;
    height: 24px;
  }
}

/* ============================================================
   ACCESSIBILITY — Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero__water-layer {
    animation: none;
  }

  .fab {
    animation: none;
  }

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

/* ---- Focus visible ---- */
:focus-visible {
  outline: 2px solid var(--water-teal);
  outline-offset: 2px;
}

/* ---- Selection ---- */
::selection {
  background: rgba(201, 168, 106, 0.3);
  color: var(--deep-teal);
}