:root {
  --bg: #f4f7fa;
  --bg-deep: #0b1220;
  --surface: #ffffff;
  --ink: #1a2332;
  --muted: #5b6b7c;
  --line: #d7e0ea;
  --primary: #0a7ec7;
  --primary-dark: #06629c;
  --secondary: #7d5638;
  --accent-soft: rgba(10, 126, 199, 0.12);
  --shadow: 0 24px 60px rgba(11, 18, 32, 0.12);
  --radius: 18px;
  --font-display: "Outfit", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(10, 126, 199, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(125, 86, 56, 0.08), transparent 55%),
    var(--bg);
  line-height: 1.6;
}

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1rem;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--primary);
  color: white;
  padding: 0.75rem 1rem;
  z-index: 100;
  border-radius: 8px;
}

.skip-link:focus {
  top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 30px rgba(10, 126, 199, 0.28);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
}

.btn-nav {
  background: var(--primary);
  color: #fff;
  min-height: 2.6rem;
  padding: 0.55rem 1.15rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
  padding: 1.25rem 0;
}

.site-header[data-scrolled="true"] {
  background: rgba(244, 247, 250, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(11, 18, 32, 0.08);
  padding: 0.85rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.35rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  color: #fff;
  transition: color 0.25s var(--ease);
}

.site-header[data-scrolled="true"] .brand-name,
.footer-brand .brand-name {
  color: var(--ink);
}

.footer-brand .brand-name {
  color: #fff;
}

.brand-dot {
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--primary);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a:not(.btn) {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-header[data-scrolled="true"] .nav-desktop a:not(.btn) {
  color: var(--muted);
}

.nav-desktop a:not(.btn):hover {
  color: var(--primary);
}

.menu-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  display: grid;
  place-content: center;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.site-header[data-scrolled="true"] .menu-toggle {
  background: var(--accent-soft);
}

.site-header[data-scrolled="true"] .menu-toggle span {
  background: var(--ink);
}

.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);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(244, 247, 250, 0.98);
  display: grid;
  place-content: center;
  gap: 1.25rem;
  text-align: center;
  padding: 2rem;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
}

.nav-mobile[hidden] {
  display: none;
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 2rem) 0 4.5rem;
  color: #fff;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  animation: heroZoom 18s var(--ease) infinite alternate;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(11, 18, 32, 0.92) 0%, rgba(11, 18, 32, 0.72) 42%, rgba(11, 18, 32, 0.28) 100%),
    linear-gradient(to top, rgba(11, 18, 32, 0.55), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin-left: max(1rem, calc((100% - 1120px) / 2));
  width: min(42rem, calc(100% - 2rem));
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(10, 126, 199, 0.35);
  background: rgba(10, 126, 199, 0.16);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #9ed3f5;
}

.brand-display {
  display: block;
  font-size: clamp(3.2rem, 9vw, 5.8rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  margin-bottom: 0.35rem;
}

.hero-line {
  display: block;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
}

.hero-accent {
  display: block;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  color: #7ec8f0;
}

.hero-lead {
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.08rem;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.section-kicker {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.section-kicker.light {
  color: #7ec8f0;
}

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
}

.section-header p,
.about-copy > p,
.why-intro p {
  color: var(--muted);
  font-size: 1.05rem;
}

.about,
.products,
.contact {
  padding: 5.5rem 0;
}

.about-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.about-visual {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
}

.about-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-copy h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
}

.about-points {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.about-points li {
  display: grid;
  gap: 0.25rem;
  padding-left: 1rem;
  border-left: 3px solid var(--primary);
}

.about-points strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.about-points span {
  color: var(--muted);
}

.product-grid {
  display: grid;
  gap: 1.5rem;
}

.product {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

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

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

.product h3,
.product p {
  padding-inline: 1.25rem;
}

.product h3 {
  margin-top: 1.1rem;
  font-size: 1.2rem;
}

.product p {
  color: var(--muted);
  font-size: 0.95rem;
  padding-bottom: 1.35rem;
}

.why {
  position: relative;
  padding: 5.5rem 0;
  color: #fff;
  background: var(--bg-deep);
  overflow: hidden;
}

.why-bg {
  position: absolute;
  inset: 0;
  opacity: 0.14;
}

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

.why-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
}

.why-intro h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 14ch;
}

.why-features {
  display: grid;
  gap: 1rem;
}

.feature {
  padding: 1.35rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}

.feature h3 {
  font-size: 1.15rem;
}

.feature p {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  font-size: 0.95rem;
}

.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.contact-info,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.contact-info h3,
.contact-form h3 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.contact-info dl {
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.contact-info dt {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
}

.contact-info dd {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.contact-info a:hover {
  color: var(--primary);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font: inherit;
  background: #fbfcfe;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 126, 199, 0.15);
}

.form-status {
  margin: 0;
  font-size: 0.92rem;
  color: var(--primary-dark);
}

.form-status[data-state="error"] {
  color: #a33b2d;
}

.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.78);
  padding: 3.5rem 0 1.75rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.footer-grid a:hover {
  color: #7ec8f0;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.18s;
}

.delay-3 {
  transition-delay: 0.26s;
}

@keyframes heroZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .nav-desktop {
    display: flex;
  }

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

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

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .about-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 4rem;
  }

  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .why-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 3.5rem;
  }

  .contact-grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .hero {
    align-items: center;
    padding-bottom: 6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .btn,
  .product,
  .hero-media img {
    transition: none !important;
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}
