:root {
  --navy: #071a35;
  --navy-2: #0b2d59;
  --blue: #0866dc;
  --blue-bright: #1c8cff;
  --sky: #eaf5ff;
  --ink: #13243b;
  --muted: #5c6e84;
  --line: #dbe7f3;
  --surface: #f6faff;
  --white: #fff;
  --shadow: 0 22px 60px rgba(7, 31, 66, .13);
  --radius: 20px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; display: block; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: -4rem; padding: .75rem 1rem; color: var(--white); background: var(--blue); border-radius: .5rem; transition: top .2s ease; }
.skip-link:focus { top: 1rem; }

.site-header { position: fixed; z-index: 20; inset: 0 0 auto; color: var(--white); transition: background .25s ease, box-shadow .25s ease, color .25s ease; }
.site-header.is-scrolled { color: var(--ink); background: rgba(255, 255, 255, .96); box-shadow: 0 4px 22px rgba(8, 30, 60, .1); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: block; line-height: 1; flex: none; }
.logo-image { display: block; width: 100px; height: 70px; object-fit: cover; object-position: center; border-radius: 7px; box-shadow: 0 6px 17px rgba(0, 7, 18, .19); }

.menu-toggle { position: relative; z-index: 2; width: 45px; height: 43px; padding: 10px; border: 0; color: inherit; background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-of-type(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-of-type(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-6px) rotate(-45deg); }

nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.7rem; padding: 6rem 2rem; color: var(--white); background: var(--navy); clip-path: circle(0 at calc(100% - 44px) 38px); transition: clip-path .4s cubic-bezier(.65, 0, .35, 1); }
nav.is-open { clip-path: circle(150% at calc(100% - 44px) 38px); }
nav a { font-size: 1.12rem; font-weight: 650; }
.nav-cta { margin-top: .8rem; padding: .75rem 1rem; color: var(--navy); background: var(--white); border-radius: .45rem; }

.hero { position: relative; min-height: 700px; min-height: 100svh; display: grid; align-items: center; overflow: hidden; color: var(--white); background: var(--navy); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: 67% center; }
.hero-shade { background: linear-gradient(90deg, rgba(5, 21, 45, .99) 0%, rgba(5, 25, 53, .91) 28%, rgba(5, 27, 57, .39) 61%, rgba(5, 24, 49, .3) 100%); }
.hero-content { position: relative; z-index: 1; padding-block: 8.5rem 5.5rem; }
.eyebrow { display: flex; align-items: center; gap: .55rem; margin: 0 0 1rem; color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.hero .eyebrow { color: #79c6ff; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; }
h1 { max-width: 730px; margin-bottom: 1.35rem; font-size: clamp(2.65rem, 9.2vw, 6.3rem); letter-spacing: -.065em; }
h1 em { display: block; color: #8cd0ff; font-style: normal; }
.hero-text { max-width: 570px; margin-bottom: 2rem; color: #e5f2ff; font-size: clamp(1rem, 2vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .8rem; min-height: 49px; padding: .7rem 1rem; border: 1px solid transparent; border-radius: .5rem; font-weight: 750; transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 11px 25px rgba(2, 91, 207, .28); }
.button-primary:hover { background: #0056be; }
.button-primary span, .text-link span { font-size: 1.2em; }
.button-ghost { color: var(--white); border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .07); }
.button-ghost:hover { background: rgba(255, 255, 255, .15); }
.hero-points { display: flex; flex-wrap: wrap; gap: .7rem 1.15rem; padding: 0; margin: 3rem 0 0; list-style: none; color: #c4e5ff; font-size: .82rem; font-weight: 650; }
.hero-points li { display: flex; align-items: center; gap: .45rem; }
.hero-points li::before { content: ""; width: 7px; height: 7px; border-radius: 99px; background: var(--blue-bright); box-shadow: 0 0 0 4px rgba(30, 145, 255, .16); }
.hero-scroll { display: none; }

.section { padding-block: 4.75rem; }
.section-heading { max-width: 700px; margin-bottom: 2.6rem; }
.section-heading h2, .infra-copy h2, .contact-copy h2 { margin-bottom: 1rem; font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -.055em; }
.section-heading > p:last-child, .infra-copy > p:not(.eyebrow), .contact-copy > p:not(.eyebrow) { max-width: 620px; margin-bottom: 0; color: var(--muted); font-size: 1.04rem; }
.services { background: var(--surface); }
.service-grid { display: grid; grid-template-columns: 1fr; gap: .9rem; }
.service-card { padding: 1.55rem; background: var(--white); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 23px rgba(16, 55, 93, .04); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.service-card:hover { transform: translateY(-5px); border-color: #99ccff; box-shadow: 0 18px 35px rgba(16, 55, 93, .1); }
.service-icon { width: 47px; height: 47px; display: grid; place-items: center; margin-bottom: 1.25rem; color: var(--blue); background: #e8f4ff; border-radius: 13px; }
.service-icon svg { width: 29px; height: 29px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.service-card h3 { margin-bottom: .55rem; font-size: 1.1rem; letter-spacing: -.025em; }
.service-card p { margin: 0; color: var(--muted); font-size: .93rem; }

.infrastructure { overflow: hidden; }
.infrastructure-grid { display: grid; gap: 2.8rem; align-items: center; }
.infra-copy .eyebrow, .contact-copy .eyebrow { margin-bottom: .9rem; }
.infra-copy h2 { max-width: 610px; }
.check-list { display: grid; gap: .8rem; padding: 0; margin: 1.75rem 0; list-style: none; color: #354a64; font-size: .95rem; font-weight: 570; }
.check-list li { position: relative; padding-left: 1.9rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: .04rem; width: 1.2rem; height: 1.2rem; display: grid; place-items: center; color: var(--blue); background: #e8f4ff; border-radius: 50%; font-size: .76rem; font-weight: 900; }
.text-link { display: inline-flex; align-items: center; gap: .55rem; color: var(--blue); font-weight: 760; }
.text-link:hover { color: #004baf; }
.infra-visual { position: relative; margin: 0; }
.infra-visual::before { content: ""; position: absolute; z-index: -1; width: 75%; height: 60%; top: -9%; right: -7%; border-radius: 50%; background: #dcedfb; filter: blur(6px); }
.infra-visual img { width: 100%; min-height: 380px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.infra-visual figcaption { position: absolute; right: 1rem; bottom: 1rem; max-width: 290px; padding: .8rem 1rem; color: #dff1ff; background: rgba(5, 23, 50, .86); border: 1px solid rgba(126, 200, 255, .25); border-radius: .5rem; backdrop-filter: blur(8px); font-size: .75rem; }
.pulse-dot { display: inline-block; width: .55rem; height: .55rem; margin-right: .35rem; border-radius: 50%; background: #3bc1ff; box-shadow: 0 0 0 5px rgba(59, 193, 255, .16); }

.dark-section { color: var(--white); background: var(--navy); }
.section-heading-light { margin-bottom: 2.7rem; }
.section-heading-light .eyebrow { color: #78c9ff; }
.section-heading-light h2 { max-width: 750px; }
.benefit-grid { display: grid; grid-template-columns: 1fr; border-top: 1px solid rgba(173, 214, 250, .22); }
.benefit { padding: 1.4rem 0; border-bottom: 1px solid rgba(173, 214, 250, .22); }
.benefit span { color: #60b9ff; font-size: .76rem; font-weight: 850; letter-spacing: .1em; }
.benefit h3 { margin: .48rem 0; font-size: 1.2rem; letter-spacing: -.025em; }
.benefit p { max-width: 250px; margin-bottom: 0; color: #aac8e3; font-size: .91rem; }

.contact { background: linear-gradient(135deg, #f3faff, #fff 58%); }
.contact-grid { display: grid; gap: 2.6rem; align-items: center; }
.contact-copy h2 { max-width: 520px; }
.contact-details { display: grid; gap: .85rem; margin-top: 2rem; }
.contact-details a { display: flex; align-items: center; gap: .85rem; width: fit-content; transition: color .2s ease; }
.contact-details a:hover { color: var(--blue); }
.contact-icon { width: 32px; height: 32px; display: block; flex: none; background: url("../img/whatsapp-icon-user.png") center / 30px 30px no-repeat; }
.contact-icon svg { display: none; }
.contact-details small, .contact-details strong { display: block; }
.contact-details small { color: var(--muted); font-size: .74rem; font-weight: 650; }
.contact-details strong { color: var(--ink); font-size: .92rem; }
.placeholder-note { margin-top: 1.6rem !important; color: #6e7f91 !important; font-size: .78rem !important; font-style: italic; }
.contact-form { padding: 1.5rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-form h3 { margin-bottom: .45rem; font-size: 1.4rem; letter-spacing: -.04em; }
.contact-form > p { margin-bottom: 1.4rem; color: var(--muted); font-size: .9rem; }
.form-row { margin-bottom: 1rem; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
label { display: block; margin-bottom: .38rem; color: #2c4059; font-size: .82rem; font-weight: 730; }
label span { color: var(--blue); }
input, select, textarea { width: 100%; padding: .72rem .78rem; color: var(--ink); background: #fbfdff; border: 1px solid #cbdbea; border-radius: .42rem; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
textarea { resize: vertical; min-height: 100px; }
input::placeholder, textarea::placeholder { color: #8b9aac; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8, 102, 220, .13); }
.contact-form .button { width: 100%; margin-top: .25rem; }
.contact-form .button:disabled { cursor: wait; opacity: .74; transform: none; }
.form-feedback { min-height: 1.25rem; margin: .8rem 0 0 !important; color: #315271 !important; font-size: .78rem !important; }

.site-footer { padding-top: 2.7rem; color: #a7bfd7; background: #041326; }
.footer-grid { display: grid; gap: 1.15rem; padding-bottom: 2rem; }
.footer-brand { width: fit-content; }
.footer-brand .logo-image { width: 118px; height: 80px; }
.footer-grid > p { max-width: 280px; margin: 0; font-size: .85rem; }
.back-top { width: fit-content; color: #d5edff; font-size: .85rem; font-weight: 650; }
.back-top span { margin-left: .3rem; color: #57b5fc; }
.footer-bottom { display: flex; flex-direction: column; gap: .45rem; padding-block: 1rem; border-top: 1px solid rgba(178, 210, 240, .15); color: #7896b1; font-size: .71rem; }

.whatsapp-float { position: fixed; z-index: 15; right: 1rem; bottom: 1rem; width: 62px; height: 62px; display: grid; place-items: center; background: url("../img/whatsapp-icon-user.png") center / 100% 100% no-repeat; border: 0; border-radius: 50%; clip-path: circle(50%); box-shadow: none; transition: transform .2s ease; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.06); }
.whatsapp-float:focus-visible { outline: 3px solid #93d5ff; outline-offset: 3px; }
.whatsapp-float svg { display: none; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.service-card:nth-child(2), .benefit:nth-child(2) { transition-delay: .06s; }
.service-card:nth-child(3), .benefit:nth-child(3) { transition-delay: .12s; }
.service-card:nth-child(4), .benefit:nth-child(4) { transition-delay: .18s; }
.service-card:nth-child(5) { transition-delay: .24s; }
.service-card:nth-child(6) { transition-delay: .3s; }

@media (min-width: 640px) {
  .container { width: min(calc(100% - 64px), var(--container)); }
  .service-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .contact-form { padding: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr auto; align-items: center; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 850px) {
  .nav-wrap { min-height: 92px; }
  .logo-image { width: 114px; height: 80px; }
  .menu-toggle { display: none; }
  nav { position: static; display: flex; flex-direction: row; align-items: center; justify-content: flex-end; gap: 1.65rem; padding: 0; color: inherit; background: transparent; clip-path: none; }
  nav a { position: relative; font-size: .86rem; font-weight: 680; }
  nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.42rem; height: 2px; background: var(--blue-bright); transform: scaleX(0); transform-origin: right; transition: transform .2s ease; }
  nav > a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
  .nav-cta { margin: 0; padding: .62rem .85rem; color: var(--white); background: var(--blue); border-radius: .35rem; }
  .nav-cta:hover { background: #0056be; }
  .hero { min-height: 720px; }
  .hero-content { padding-top: 7.5rem; }
  .hero-scroll { position: absolute; z-index: 1; right: 2.2rem; bottom: 1.7rem; display: flex; align-items: center; gap: .6rem; color: #cbe7ff; font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; transform: rotate(-90deg); transform-origin: right bottom; }
  .hero-scroll span { width: 34px; height: 1px; background: currentColor; }
  .section { padding-block: 7.2rem; }
  .section-heading { margin-bottom: 3.5rem; }
  .service-grid { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
  .service-card { padding: 1.75rem; }
  .infrastructure-grid { grid-template-columns: minmax(0, .92fr) minmax(400px, 1.08fr); gap: 5rem; }
  .infra-visual img { min-height: 530px; }
  .benefit-grid { grid-template-columns: repeat(4, 1fr); }
  .benefit { min-height: 240px; padding: 1.55rem 1.45rem 1.5rem 0; border-bottom: 0; }
  .benefit:not(:first-child) { padding-left: 1.45rem; border-left: 1px solid rgba(173, 214, 250, .22); }
  .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(410px, .85fr); gap: 5rem; }
  .contact-form { padding: 2.2rem; }
  .whatsapp-float { right: 1.6rem; bottom: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
