:root {
  --navy: #07385f;
  --blue: #075a91;
  --blue-2: #0b77b8;
  --ice: #e9f8ff;
  --ice-2: #cfeefa;
  --white: #ffffff;
  --ink: #0d2740;
  --muted: #526a7d;
  --yellow: #ffcf21;
  --yellow-deep: #eeb900;
  --green: #1ca64a;
  --line: rgba(7, 56, 95, .12);
  --shadow: 0 18px 50px rgba(3, 49, 83, .14);
  --radius: 24px;
  --radius-sm: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f7fcff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 9999;
  background: var(--yellow);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 800;
}

.skip-link:focus {
  top: 12px;
}

.page-width {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 253, 255, .92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(7, 56, 95, .08);
  transition: box-shadow .3s ease, background .3s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 28px rgba(5, 46, 78, .09);
}

.header-shell {
  min-height: 88px;
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  width: min(420px, 42vw);
  flex: 0 1 420px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(5, 60, 95, .12);
  background: var(--blue);
}

.brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 10px 13px;
  color: var(--navy);
  font-size: .94rem;
  font-weight: 800;
  letter-spacing: .01em;
  border-radius: 999px;
  transition: background .25s ease, color .25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--ice);
  color: var(--blue-2);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: var(--navy);
  transition: transform .25s ease, opacity .25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(3, 47, 81, .95), rgba(4, 91, 145, .92)),
    radial-gradient(circle at 15% 18%, rgba(255,255,255,.2), transparent 28%);
  min-height: 680px;
  display: grid;
  align-items: center;
  padding: 88px 0 116px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.hero::before {
  opacity: .26;
  background-image:
    linear-gradient(30deg, rgba(255,255,255,.12) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,.12) 87.5%, rgba(255,255,255,.12)),
    linear-gradient(150deg, rgba(255,255,255,.08) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,.08) 87.5%, rgba(255,255,255,.08));
  background-size: 82px 142px;
}

.hero::after {
  background: radial-gradient(circle at 76% 40%, rgba(144, 226, 255, .22), transparent 22%);
}

.ice-glow {
  position: absolute;
  z-index: -1;
  width: 280px;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(10px);
  opacity: .2;
  background: #90e8ff;
}

.ice-glow-a {
  top: 12%;
  right: -90px;
}

.ice-glow-b {
  bottom: 2%;
  left: -100px;
  width: 220px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: clamp(48px, 7vw, 92px);
}

.eyebrow {
  margin: 0 0 13px;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 900;
  font-size: .78rem;
  color: #aeeeff;
}

.eyebrow.dark {
  color: var(--blue-2);
}

.hero h1,
.section-heading h2,
.maintenance h2,
.info-card h2,
.cta h2 {
  margin: 0;
  letter-spacing: -.035em;
  line-height: 1.03;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(2.55rem, 5.6vw, 5.25rem);
  text-shadow: 0 5px 26px rgba(0,0,0,.16);
}

.alert-strip {
  display: inline-block;
  margin-top: 28px;
  padding: 11px 18px 12px;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 950;
  font-size: clamp(1rem, 2.3vw, 1.34rem);
  line-height: 1.25;
  box-shadow: 8px 8px 0 rgba(0, 27, 52, .2);
  transform: rotate(-.7deg);
}

.hero-lead {
  max-width: 670px;
  margin: 27px 0 0;
  font-size: clamp(1.16rem, 2.2vw, 1.55rem);
  font-weight: 700;
  color: #eaf8ff;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 14px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.btn-primary {
  color: #fff;
  background: var(--green);
  box-shadow: 0 12px 26px rgba(0, 111, 44, .25);
}

.btn-secondary {
  color: var(--white);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.3);
}

.icon {
  width: 27px;
  height: 27px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: rgba(255,255,255,.16);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid rgba(255,255,255,.23);
  border-radius: 30px;
  background: linear-gradient(155deg, rgba(255,255,255,.16), rgba(255,255,255,.07));
  box-shadow: 0 34px 90px rgba(0, 25, 53, .22);
  backdrop-filter: blur(16px);
}

.hero-panel::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -75px;
  bottom: -80px;
  border: 28px solid rgba(255,255,255,.07);
  border-radius: 50%;
}

.snow-mark {
  position: absolute;
  right: 22px;
  top: 12px;
  font-size: 5rem;
  opacity: .13;
  line-height: 1;
}

.panel-kicker {
  margin: 0 0 7px;
  color: #c9f2ff;
  font-size: .9rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.hero-panel h2 {
  margin: 0;
  max-width: 520px;
  font-size: clamp(1.9rem, 3.7vw, 3rem);
  line-height: 1.05;
}

.mini-grid {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.mini-grid div {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: start;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.07);
  font-weight: 700;
}

.mini-grid span {
  color: var(--yellow);
  font-weight: 950;
}

.hero-wave {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 80px;
  background: #f7fcff;
  clip-path: polygon(0 78%, 12% 70%, 25% 86%, 40% 66%, 54% 80%, 69% 62%, 84% 76%, 100% 58%, 100% 100%, 0 100%);
}

.section {
  padding: 100px 0;
}

.section-heading {
  max-width: 730px;
  margin-bottom: 44px;
}

.section-heading h2,
.maintenance h2,
.cta h2 {
  font-size: clamp(2.25rem, 4.8vw, 4rem);
}

.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.9);
  box-shadow: 0 16px 40px rgba(3, 50, 84, .07);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.service-card:nth-child(1),
.service-card:nth-child(2),
.service-card:nth-child(3) {
  grid-column: span 2;
}

.service-card:nth-child(4) {
  grid-column: span 4;
}

.service-card:nth-child(5) {
  grid-column: span 2;
}

.service-card::after {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  right: -50px;
  bottom: -50px;
  border-radius: 50%;
  background: var(--ice);
  transition: transform .3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(11, 119, 184, .26);
}

.service-card:hover::after {
  transform: scale(1.2);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 34px;
  border-radius: 15px;
  color: var(--blue);
  background: var(--ice);
  font-size: 1.35rem;
  font-weight: 950;
}

.service-card h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 500px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.25;
}

.maintenance {
  color: var(--white);
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.maintenance::before {
  content: "❄";
  position: absolute;
  left: -38px;
  bottom: -70px;
  color: rgba(255,255,255,.045);
  font-size: 20rem;
  line-height: 1;
}

.maintenance-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(48px, 8vw, 100px);
  align-items: center;
}

.maintenance-lead {
  margin: 22px 0 30px;
  max-width: 600px;
  color: #d8f2ff;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.btn-yellow {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(238,185,0,.2);
}

.equipment-board {
  border-radius: 30px;
  overflow: hidden;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(0,0,0,.2);
}

.equipment-title {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 26px;
  color: #fff;
  background: var(--blue-2);
}

.equipment-title span {
  font-size: 1.6rem;
}

.equipment-title p {
  margin: 0;
  font-size: .92rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 900;
}

.equipment-list {
  padding: 12px 26px 26px;
}

.equipment-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 13px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.equipment-item:last-child {
  border-bottom: 0;
  padding-bottom: 8px;
}

.equipment-item span {
  color: var(--blue-2);
  font-weight: 950;
  font-size: .78rem;
  letter-spacing: .1em;
}

.equipment-item strong {
  font-size: 1.25rem;
}

.contact-section {
  background:
    linear-gradient(rgba(238,249,255,.88), rgba(247,252,255,.96)),
    radial-gradient(circle at 20% 10%, #d4f2ff 0, transparent 30%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.info-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}

.info-card::after {
  content: "";
  position: absolute;
  width: 220px;
  aspect-ratio: 1;
  right: -120px;
  top: -95px;
  border: 42px solid var(--ice);
  border-radius: 50%;
}

.info-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  color: #fff;
  background: var(--yellow-deep);
  border-radius: 18px;
  font-size: 1.8rem;
  box-shadow: 0 12px 30px rgba(239, 185, 0, .24);
}

.info-card h2 {
  max-width: 460px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.address {
  margin: 15px 0 24px;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 650;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-2);
  font-weight: 900;
}

.text-link span {
  transition: transform .2s ease;
}

.text-link:hover span {
  transform: translate(3px,-3px);
}

.payment-card {
  background: linear-gradient(145deg, #ffffff, #eaf8ff);
}

.card-visual {
  width: 96px;
  aspect-ratio: 1.6;
  margin-bottom: 30px;
  padding: 12px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--blue-2), var(--navy));
  box-shadow: 0 12px 28px rgba(5, 66, 104, .22);
}

.card-visual span {
  display: block;
  width: 24px;
  height: 7px;
  margin-bottom: 7px;
  border-radius: 3px;
  background: var(--yellow);
}

.card-visual span:nth-child(2) {
  width: 48px;
  background: rgba(255,255,255,.82);
}

.card-visual span:nth-child(3) {
  width: 34px;
  background: rgba(255,255,255,.5);
}

.payment-line {
  width: 112px;
  height: 7px;
  margin-top: 34px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--yellow), var(--blue-2));
}

.cta {
  padding: 76px 0;
  color: #fff;
  background: linear-gradient(110deg, #075a91, #07385f);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.cta h2 {
  max-width: 730px;
}

.cta p:not(.eyebrow) {
  margin: 12px 0 0;
  color: #caefff;
  font-size: 1.1rem;
}

.cta-contact {
  min-width: min(100%, 290px);
  display: grid;
  gap: 12px;
}

.phone-number {
  text-align: center;
  padding: 10px 14px;
  color: var(--yellow);
  font-size: clamp(1.65rem, 3.3vw, 2.35rem);
  font-weight: 950;
  line-height: 1.15;
  white-space: nowrap;
}

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

.site-footer {
  padding: 40px 0;
  color: #bed6e5;
  background: #05283f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .6fr 1fr;
  gap: 36px;
  align-items: center;
}

.site-footer p {
  margin: 0;
}

.footer-name {
  color: #fff;
  font-weight: 850;
  line-height: 1.25;
}

.site-footer a {
  color: var(--yellow);
  font-weight: 900;
}

.floating-whatsapp {
  position: fixed;
  z-index: 900;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(0, 117, 45, .3);
  font-size: 1.8rem;
  font-weight: 900;
  transition: transform .2s ease;
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
}

.back-to-top {
  position: fixed;
  z-index: 850;
  right: 31px;
  bottom: 92px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: var(--navy);
  box-shadow: 0 10px 24px rgba(3, 46, 75, .22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  cursor: pointer;
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .header-shell {
    min-height: 82px;
  }

  .brand {
    width: min(390px, 72vw);
    flex-basis: 390px;
  }

  .menu-toggle {
    display: inline-flex;
    flex: 0 0 auto;
  }

  .site-nav {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    width: 100%;
    display: grid;
    gap: 5px;
    padding: 18px 20px 24px;
    background: rgba(255,255,255,.98);
    box-shadow: 0 20px 36px rgba(3, 42, 70, .12);
    border-top: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 13px 14px;
  }

  .hero {
    min-height: auto;
    padding-top: 70px;
  }

  .hero-grid,
  .maintenance-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 680px;
  }

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

  .service-card:nth-child(n) {
    grid-column: span 1;
  }

  .service-card:nth-child(4) {
    grid-column: 1 / -1;
  }

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

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .page-width,
  .header-shell {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .brand {
    width: min(295px, 72vw);
    flex-basis: 295px;
  }

  .hero {
    padding: 56px 0 100px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 12vw, 3.9rem);
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 76px 0;
  }

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

  .service-card:nth-child(n) {
    grid-column: auto;
    min-height: 180px;
  }

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

  .cta-contact {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-grid > :first-child {
    grid-column: auto;
  }

  .floating-whatsapp {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }

  .back-to-top {
    right: 22px;
    bottom: 82px;
  }
}

@media (max-width: 410px) {
  .header-shell {
    min-height: 76px;
  }

  .brand {
    width: calc(100vw - 95px);
  }

  .site-nav {
    top: 76px;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
  }

  .alert-strip {
    box-shadow: 5px 5px 0 rgba(0, 27, 52, .2);
  }

  .hero-panel,
  .info-card,
  .equipment-board {
    border-radius: 22px;
  }

  .phone-number {
    white-space: normal;
  }
}