/* Deltika Limited — palette and type aligned to the business-plan deck */

:root {
  --navy: #0b2a4a;
  --navy-deep: #071e36;
  --cyan: #2ec8d8;
  --cyan-dark: #1aa8b8;
  --ink: #0b2a4a;
  --ink-soft: #4a6278;
  --paper: #f3f7fb;
  --paper-2: #e8f1f6;
  --white: #ffffff;
  --line: rgba(11, 42, 74, 0.12);
  --max: 90rem;
  --header-h: 4.4rem;
  --shadow: 0 16px 40px rgba(7, 30, 54, 0.12);
}

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

@font-face {
  font-family: Montserrat;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/montserrat-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: Montserrat;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/montserrat-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: Montserrat, "Segoe UI", sans-serif;
  font-weight: 500;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(11, 42, 74, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 42, 74, 0.035) 1px, transparent 1px);
  background-size: 36px 36px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--cyan-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

h1,
h2,
h3 {
  font-family: Montserrat, "Segoe UI", sans-serif;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.7rem);
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
}

p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

p:last-child {
  margin-bottom: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--navy);
  color: var(--white);
  padding: 0.6rem 0.9rem;
  z-index: 100;
}

.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: 0.85rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 247, 251, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: var(--header-h);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-mark,
.brand-word {
  flex-shrink: 0;
  max-width: none;
}

.brand-mark {
  height: 2.9rem;
  width: auto;
}

.brand-word {
  height: 1.22rem;
  width: auto;
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle-label {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--white);
}

.nav-toggle-label::before,
.nav-toggle-label::after {
  content: "";
}

.nav-toggle-label::before,
.nav-toggle-label::after,
.nav-toggle-label > span:first-of-type {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--navy);
}

.site-nav {
  flex: 0 0 auto;
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  gap: 0.35rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--cyan-dark);
  border-bottom-color: var(--cyan);
}

main {
  flex: 1;
}

/* Buttons */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.25rem;
  border-radius: 0.35rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}

.btn-primary:hover {
  background: #12375e;
  color: var(--white);
}

.btn-ghost {
  background: var(--white);
  color: var(--navy);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--navy);
}

/* Home */

.hero {
  display: grid;
  gap: 1.75rem;
  padding: 2.5rem 0 3.2rem;
}

.hero-copy p.lead {
  font-size: 1.05rem;
  max-width: 44rem;
}

.hero-visual {
  margin: 0;
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 16rem;
}

.section {
  padding: 0 0 3.6rem;
}

.section-head {
  max-width: 56rem;
  margin-bottom: 1.75rem;
}

.section-head p {
  color: var(--ink-soft);
}

.team-grid {
  display: grid;
  gap: 1rem;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.35rem 1.4rem;
}

.team-photo {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.team-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.team-link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.arch-grid {
  display: grid;
  gap: 1rem;
}

.arch-stack {
  display: grid;
  gap: 1rem;
}

.arch-card {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.arch-card img {
  display: block;
  width: 100%;
  height: auto;
}

.arch-card figcaption {
  padding: 0.85rem 1.1rem 1.1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.arch-quote {
  padding: 1.7rem 1.75rem 1.9rem;
}

.arch-quote h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.feature-list {
  display: grid;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.25rem 1.3rem;
}

.feature-list span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.feature-list h3 {
  font-size: 1.18rem;
  margin-bottom: 0.4rem;
}

.hub {
  display: grid;
  gap: 1rem;
}

.hub-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.2rem 1.25rem;
}

.hub-core {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.hub-core img {
  width: 4.4rem;
  height: 4.4rem;
}

.hub-core h3,
.hub-core p {
  color: var(--white);
}

.hub-core p {
  opacity: 0.82;
  max-width: 22rem;
}

.band {
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 0;
}

.band p {
  color: rgba(255, 255, 255, 0.78);
}

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

.band h2 {
  color: var(--white);
}

.band .btn-primary {
  background: var(--cyan);
  color: var(--navy-deep);
}

.band .btn-primary:hover {
  background: #5ad4e0;
  color: var(--navy-deep);
}

/* Inner pages */

.page-hero {
  padding: 2.4rem 0 1.8rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.2rem;
}

.page-hero p {
  max-width: 52rem;
  font-size: 1.05rem;
}

.split {
  display: grid;
  gap: 1.5rem;
  padding-bottom: 3.6rem;
}

.prose {
  max-width: 52rem;
}

.home-prose {
  max-width: 56rem;
}

.home-prose p {
  font-size: 1.05rem;
}

.facts {
  background: var(--navy);
  color: var(--white);
  border-radius: 0.75rem;
  padding: 1.4rem 1.5rem;
  align-self: start;
}

.facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
}

.facts dd {
  margin: 0 0 1rem;
  font-weight: 600;
}

.facts dd:last-child {
  margin-bottom: 0;
}

.pillar-grid,
.service-grid,
.contact-grid,
.notice-grid {
  display: grid;
  gap: 1rem;
  padding-bottom: 3.6rem;
}

.pillar,
.service-card,
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
}

.pillar h2,
.service-card h2,
.contact-card h2 {
  font-size: 1.15rem;
}

.pillar-title {
  background: var(--navy);
  color: var(--white);
  margin: 0;
  padding: 0.85rem 1.2rem;
  font-size: 0.95rem;
}

.pillar-body {
  padding: 1.15rem 1.2rem 1.3rem;
}

.pillar-body h3 {
  font-size: 1rem;
  color: var(--cyan-dark);
  margin: 0.85rem 0 0.35rem;
}

.pillar-body h3:first-child {
  margin-top: 0;
}

.pillar-body ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.service-card,
.contact-card {
  padding: 1.35rem 1.4rem;
}

.timeline {
  display: grid;
  gap: 1rem;
  padding-bottom: 3.6rem;
}

.timeline article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.2rem 1.3rem;
  border-top: 4px solid var(--cyan);
}

.timeline h3 {
  font-size: 1.05rem;
}

.contact-card a {
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}

.contact-card a:hover {
  color: var(--cyan-dark);
}

.contact-card a.btn-primary {
  color: var(--white);
  margin-top: 0.75rem;
}

.contact-card a.btn-primary:hover {
  color: var(--white);
}

address {
  font-style: normal;
  color: var(--ink-soft);
}

/* Footer */

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 1.6rem 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

.site-footer a:hover {
  color: var(--cyan);
}

@media (min-width: 720px) {
  .hero {
    grid-template-columns: 1.05fr 1.15fr;
    align-items: center;
    padding: 3.4rem 0 4rem;
  }

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

  .contact-card-primary {
    grid-column: 1 / -1;
  }

  .split {
    grid-template-columns: 1.35fr 0.85fr;
    gap: 2.2rem;
  }

  .feature-list,
  .pillar-grid,
  .service-grid,
  .notice-grid,
  .team-grid,
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }

  .arch-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .arch-stack {
    height: 0;
    min-height: 100%;
    grid-template-rows: 1fr 1fr;
  }

  .arch-card-cube img {
    width: 100%;
    height: auto;
  }

  .arch-quote {
    display: flex;
    align-items: flex-start;
  }

  .arch-stack .arch-card:last-child {
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  .arch-stack .arch-card:last-child img {
    flex: 1;
    min-height: 0;
    object-fit: contain;
  }
}

@media (min-width: 960px) {
  .hub {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 719px) {
  .brand-mark {
    height: 2.25rem;
  }

  .brand-word {
    height: 0.95rem;
  }

  .nav-toggle-label {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 25;
    margin-left: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1rem 1rem;
  }

  .nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    width: 100%;
    padding-inline: 1rem;
    gap: 0.55rem;
  }

  .site-header .wrap.header-inner {
    width: 100%;
  }
}

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