/* DeltaJet Aero — premium airline-inspired local redesign
   Colors: navy #0B1F4A | airline red #C8102E | sky #F4F6F9 */

:root {
  --navy: #0b1f4a;
  --navy-2: #071533;
  --red: #c8102e;
  --red-hot: #e11d3a;
  --ink: #142033;
  --muted: #5b6578;
  --line: rgba(11, 31, 74, 0.12);
  --sky: #f4f6f9;
  --white: #ffffff;
  --display: "Oswald", "Arial Narrow", sans-serif;
  --body: "Figtree", "Segoe UI", sans-serif;
  --wrap: min(1180px, calc(100% - 3rem));
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--muted);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.1;
  margin: 0 0 0.85rem;
}

.wrap { width: var(--wrap); margin-inline: auto; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--red);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0; }

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

/* ---------- Header / Logo ---------- */
/* Default: transparent over hero. .is-scrolled → solid white */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px rgba(11, 31, 74, 0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: var(--wrap);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  transition: color 0.3s ease;
}

.site-header.is-scrolled .logo {
  color: var(--navy);
}

.logo-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.logo-name {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  color: inherit;
}

.logo-name em {
  font-style: normal;
  color: var(--red);
}

.logo-sub {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.3s ease;
}

.site-header.is-scrolled .logo-sub {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  padding: 0.55rem 0.85rem;
  transition: color 0.2s ease;
}

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

.site-header.is-scrolled .nav a {
  color: var(--navy);
}

.site-header.is-scrolled .nav a:hover {
  color: var(--red);
}

/* Keep CTA button red; outline it lightly when transparent */
.nav .btn-sm {
  color: #fff !important;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled .menu-btn {
  border-color: var(--line);
  background: #fff;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: #fff;
  transition: background 0.3s ease;
}

.site-header.is-scrolled .menu-btn span {
  background: var(--navy);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.5rem;
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff !important;
  background: var(--red);
  border: 1px solid var(--red);
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.btn:hover { background: var(--red-hot); border-color: var(--red-hot); }
.btn-sm {
  min-height: 40px;
  padding: 0.55rem 1rem;
  margin-left: 0.5rem;
}
.btn-outline {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.75);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("../img/about1.jpg") center / cover no-repeat;
  transform: scale(1.05);
  animation: ken 22s ease-in-out infinite alternate;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 21, 51, 0.92) 8%, rgba(11, 31, 74, 0.55) 48%, rgba(200, 16, 46, 0.28) 100%),
    linear-gradient(to top, rgba(7, 21, 51, 0.8) 0%, transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: var(--wrap);
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
}

.hero-kicker {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  animation: up 0.8s ease both;
}

.hero h1 {
  color: #fff;
  font-size: clamp(3rem, 9vw, 6.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 0 0.35rem;
  animation: up 0.85s ease 0.08s both;
}

.hero h1 span { color: var(--red); }

.hero-tag {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.4vw, 1.65rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 1.15rem;
  animation: up 0.85s ease 0.16s both;
}

.hero-lead {
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.08rem;
  margin-bottom: 1.85rem;
  animation: up 0.85s ease 0.24s both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: up 0.85s ease 0.32s both;
}

@keyframes ken {
  from { transform: scale(1.05) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.2%, -0.8%); }
}
@keyframes up {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Trust strip ---------- */
.trust {
  background: var(--navy);
  color: #fff;
  border-top: 3px solid var(--red);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.35rem 0;
}

.trust-row div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.35rem 0.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.trust-row div:first-child { border-left: 0; }

.trust-row strong {
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.trust-row span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Sections ---------- */
.section { padding: 6rem 0; }

.section-head {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
}

.section-head.light h2,
.section-head.light .eyebrow { color: #fff; }
.section-head.light .eyebrow { color: rgba(255, 255, 255, 0.65); }

/* About */
.about { background: var(--sky); }

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.about-copy h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  margin-bottom: 1.25rem;
}

.quote {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin: 1.5rem 0;
}

.about-photo {
  margin: 0;
  position: relative;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: 0 24px 60px rgba(11, 31, 74, 0.18);
}

.about-photo figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* Services */
.services { background: #fff; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.svc {
  display: flex;
  flex-direction: column;
  background: var(--sky);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.svc:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(11, 31, 74, 0.14);
}

.svc-img {
  height: 180px;
  background:
    linear-gradient(180deg, rgba(11, 31, 74, 0.05), rgba(11, 31, 74, 0.08)),
    var(--img) center / contain no-repeat,
    #e9edf4;
}

.svc-body {
  padding: 1.35rem 1.35rem 1.55rem;
  border-top: 3px solid transparent;
  transition: border-color 0.25s ease;
}

.svc:hover .svc-body { border-top-color: var(--red); }

.svc-body span {
  display: block;
  font-family: var(--display);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--red);
  margin-bottom: 0.35rem;
}

.svc-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.svc-body p {
  margin: 0;
  font-size: 0.95rem;
}

/* Process */
.process {
  background:
    linear-gradient(135deg, var(--navy-2), var(--navy) 60%, #12306e);
  color: rgba(255, 255, 255, 0.86);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.steps li {
  padding-top: 1.15rem;
  border-top: 2px solid rgba(255, 255, 255, 0.35);
}

.steps em {
  display: block;
  font-family: var(--display);
  font-style: normal;
  font-size: 1rem;
  letter-spacing: 0.16em;
  color: var(--red);
  margin-bottom: 0.65rem;
}

.steps h3 {
  color: #fff;
  font-size: 1.25rem;
}

.steps p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

/* Why */
.why { background: var(--sky); }

.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.why-grid h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
}

.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.why-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.why-list li:first-child { border-top: 1px solid var(--line); }

.why-list h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.why-list p { margin: 0; }

/* Contact */
.contact { background: #fff; }

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 3rem;
  background:
    linear-gradient(145deg, #0b1f4a 0%, #12306e 100%);
  color: rgba(255, 255, 255, 0.88);
}

.contact-copy h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.contact-copy .eyebrow { color: rgba(255, 255, 255, 0.65); }

.contact-cards {
  display: grid;
  gap: 0.85rem;
  align-content: center;
}

.c-card {
  display: block;
  padding: 1.15rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.c-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  transform: translateX(4px);
}

.c-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.3rem;
}

.c-card strong {
  color: #fff;
  font-size: 1.02rem;
  word-break: break-all;
}

/* Footer */
.site-footer {
  background: var(--navy-2);
  color: rgba(255, 255, 255, 0.65);
  padding: 2.25rem 0;
  border-top: 3px solid var(--red);
}

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

.logo-foot .logo-name { color: #fff; }
.logo-foot .logo-sub { color: rgba(255, 255, 255, 0.55); }

.site-footer p { margin: 0; font-size: 0.88rem; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid,
  .why-grid,
  .contact-box,
  .steps,
  .trust-row { grid-template-columns: 1fr 1fr; }

  .trust-row div:nth-child(3) { border-left: 0; }
}

@media (max-width: 760px) {
  :root { --wrap: min(1180px, calc(100% - 1.5rem)); }

  .menu-btn { display: inline-block; }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.75rem;
    box-shadow: 0 16px 40px rgba(11, 31, 74, 0.12);
  }
  .nav.is-open { display: flex; }
  .nav .btn-sm { margin: 0.5rem 0 0; width: 100%; }

  .hero-content { padding-bottom: 3.5rem; }
  .hero h1 { font-size: clamp(2.4rem, 12vw, 3.6rem); }

  .trust-row,
  .service-grid,
  .about-grid,
  .why-grid,
  .contact-box,
  .steps { grid-template-columns: 1fr; }

  .trust-row div { border-left: 0; border-top: 1px solid rgba(255,255,255,0.15); padding: 0.75rem 0; }
  .trust-row div:first-child { border-top: 0; }

  .section { padding: 4rem 0; }
  .contact-box { padding: 1.75rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .logo-foot { justify-content: center; }

  .chat-panel {
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
    bottom: 5.25rem;
  }
}

/* ---------- Chat automation (own widget) ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.chat-root {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
}

.chat-fab {
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(200, 16, 46, 0.35);
  display: grid;
  place-items: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.chat-fab:hover {
  background: var(--red-hot);
  transform: translateY(-2px);
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 4.5rem;
  width: min(360px, calc(100vw - 2rem));
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(11, 31, 74, 0.22);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-panel[hidden] {
  display: none !important;
}

.chat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  background: var(--navy);
  color: #fff;
}

.chat-head strong {
  display: block;
  font-family: var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.chat-head span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.7);
}

.chat-close {
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
}

.chat-log {
  height: 260px;
  overflow-y: auto;
  padding: 1rem;
  background: var(--sky);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-bubble {
  max-width: 90%;
  padding: 0.7rem 0.85rem;
  font-size: 0.9rem;
  line-height: 1.45;
  border: 1px solid var(--line);
}

.chat-bubble.bot {
  align-self: flex-start;
  background: #fff;
  color: var(--ink);
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.65rem 0.85rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.chat-quick button {
  border: 1px solid var(--line);
  background: var(--sky);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.chat-quick button:hover {
  border-color: var(--red);
  color: var(--red);
}

.chat-form {
  display: flex;
  gap: 0.4rem;
  padding: 0.75rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.chat-form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  font: inherit;
  font-size: 0.9rem;
}

.chat-form button {
  border: 0;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 0.95rem;
  cursor: pointer;
}

.chat-form button:hover {
  background: var(--red-hot);
}