/* ===========================
   Design System
   =========================== */
:root {
  --navy:        #0d2240;
  --navy-deep:   #080f1a;
  --navy-mid:    #122d55;
  --steel:       #5b9bd5;
  --steel-glow:  rgba(91,155,213,0.35);
  --steel-dim:   rgba(91,155,213,0.12);
  --off-white:   #f2f0eb;
  --cream:       #e2ddd6;
  --white:       #ffffff;
  --text-body:   #3d4f62;
  --text-dim:    #7a8799;
  --border:      rgba(13,34,64,0.1);
  --border-dark: rgba(255,255,255,0.07);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-label:   'Syne', sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --max-width: 1200px;
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);
  --radius:    6px;
  --radius-lg: 14px;

  --ease:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --fast:   0.18s;
  --normal: 0.32s;
  --slow:   0.65s;
}

/* ===========================
   Reset
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ===========================
   Typography
   =========================== */
.label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.85rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  color: var(--navy);
}
h1 { font-size: clamp(2.8rem, 6.5vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); font-weight: 600; }

p  { color: var(--text-body); line-height: 1.75; }
em { font-style: italic; }

/* ===========================
   Layout
   =========================== */
.container {
  width: min(var(--max-width), 100% - var(--gutter) * 2);
  margin-inline: auto;
}
.section          { padding-block: 6.5rem; }
.section--dark    { background: var(--navy-deep); }
.section--alt     { background: var(--off-white); }

/* ===========================
   Scroll-reveal animations
   =========================== */
[data-animate] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-delay="1"] { transition-delay: 0.12s; }
[data-delay="2"] { transition-delay: 0.26s; }
[data-delay="3"] { transition-delay: 0.42s; }
[data-delay="4"] { transition-delay: 0.56s; }

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--normal) var(--ease);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn--primary {
  background: var(--steel);
  color: var(--white);
  border-color: var(--steel);
}
.btn--primary:hover {
  background: #4a8bc5;
  border-color: #4a8bc5;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--steel-glow);
}

.btn--ghost {
  background: transparent;
  color: rgba(255,255,255,0.65);
  border-color: transparent;
  padding-inline: 0;
}
.btn--ghost:hover { color: var(--white); }

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: currentColor;
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* ===========================
   Navigation
   =========================== */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1.35rem;
  transition: background var(--normal), box-shadow var(--normal), backdrop-filter var(--normal);
}
.nav.scrolled {
  background: rgba(8,15,26,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo-img {
  max-height: 120px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  background: transparent;
  border: none;
  padding: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__links > li > a {
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  transition: color var(--fast);
  position: relative;
}
.nav__links > li > a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--steel);
  transition: width var(--normal) var(--ease);
}
.nav__links > li > a:not(.btn):hover { color: var(--white); }
.nav__links > li > a:not(.btn):hover::after { width: 100%; }

.nav__cta { padding: 0.55rem 1.35rem; font-size: 0.72rem; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 1px;
  transition: all var(--normal) var(--ease);
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: var(--navy-deep);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform var(--normal) var(--ease);
  }
  .nav__links.open        { transform: translateX(0); }
  .nav__links > li > a   { font-size: 1rem; }
  .nav__toggle            { display: flex; }
  .nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ===========================
   Hero
   =========================== */
.hero {
  min-height: 100svh;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 7rem;
  padding-bottom: 5rem;
}

/* Precision grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91,155,213,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,0.045) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* Ambient glow */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 75% -5%, rgba(91,155,213,0.2) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at -5% 90%, rgba(18,45,85,0.9) 0%, transparent 55%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 3.5rem;
  flex-wrap: wrap;
}

.hero__text {
  flex: 1;
  min-width: 300px;
  max-width: 560px;
}

.hero__visual {
  flex: 1;
  min-width: 300px;
  opacity: 0.95;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 2rem;
}
.hero__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--steel);
  border-radius: 50%;
  flex-shrink: 0;
  animation: blink 2.8s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--steel-glow); }
  50%       { opacity: 0.5; box-shadow: 0 0 0 5px transparent; }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  font-weight: 600;
  line-height: 1.07;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 1.75rem;
}
.hero__headline em {
  color: var(--steel);
  font-style: italic;
}

.hero__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.5);
  max-width: 500px;
  margin-bottom: 2.75rem;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 1;
}
.hero__scroll span {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--steel), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  45%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  55%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ===========================
   Marquee
   =========================== */
.marquee-strip {
  overflow: hidden;
  background: var(--navy);
  border-block: 1px solid rgba(91,155,213,0.1);
  padding-block: 1.1rem;
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  white-space: nowrap;
}
.marquee-track .sep {
  color: var(--steel);
  font-size: 0.5rem;
  letter-spacing: 0;
  opacity: 0.7;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===========================
   Services
   =========================== */
.services { background: var(--off-white); }

.services__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 4rem;
}
.services__intro h2 { max-width: 400px; }
.services__intro > p {
  font-size: 1rem;
  color: var(--text-dim);
  padding-bottom: 0.2rem;
  max-width: 380px;
}

@media (max-width: 640px) {
  .services__intro { grid-template-columns: 1fr; gap: 1.25rem; }
}

.services__list { border-top: 1px solid var(--border); }

.service-item { border-bottom: 1px solid var(--border); }

.service-item__trigger {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  transition: padding-left var(--normal) var(--ease);
}
.service-item__trigger:hover { padding-left: 0.5rem; }

.service-item__num {
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.06em;
}

.service-item__name {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
  transition: color var(--fast);
}
.service-item__trigger:hover .service-item__name,
.service-item.open .service-item__name { color: var(--steel); }

.service-item__arrow {
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: transform var(--normal) var(--ease), color var(--fast);
}
.service-item.open .service-item__arrow {
  transform: rotate(90deg);
  color: var(--steel);
}

.service-item__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--normal) var(--ease);
}
.service-item.open .service-item__body {
  grid-template-rows: 1fr;
}
.service-item__body-inner {
  overflow: hidden;
}
.service-item__body p {
  font-size: 0.93rem;
  color: var(--text-body);
  padding: 0 0 1.5rem 5rem;
  max-width: 580px;
  line-height: 1.8;
}

/* ===========================
   Differentiator
   =========================== */
.differentiator {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
}
.differentiator::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91,155,213,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.differentiator__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7rem;
  align-items: center;
}
@media (max-width: 768px) {
  .differentiator__inner { grid-template-columns: 1fr; gap: 3.5rem; }
}

.differentiator__statement {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.85rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
}
.differentiator__statement em {
  color: var(--steel);
  font-style: italic;
}

.differentiator__points {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.diff-point {
  border-left: 2px solid rgba(91,155,213,0.18);
  padding-left: 1.5rem;
  transition: border-color var(--normal);
}
.diff-point:hover { border-color: var(--steel); }

.diff-point h4 {
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.5rem;
}
.diff-point p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.48);
  line-height: 1.75;
}

/* ===========================
   Blog preview (homepage)
   =========================== */
.blog-preview { background: var(--white); }

.blog-preview__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.blog-preview__top h2 { margin: 0; }

.blog-carousel {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  flex: 1;
  min-width: 0;
}

.carousel-btn {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: none;
  background: var(--navy);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--normal) var(--ease), opacity var(--normal) var(--ease);
}
.carousel-btn:hover:not(:disabled) { background: var(--steel); }
.carousel-btn:disabled { opacity: 0.25; cursor: default; }

@media (max-width: 1024px) {
  .blog-preview__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .blog-carousel { flex-direction: column; }
  .blog-preview__grid { grid-template-columns: 1fr; }
  .carousel-btn { width: 2.25rem; height: 2.25rem; font-size: 1rem; }
}

/* ===========================
   Post card (shared: home + blog page)
   =========================== */
.post-card {
  background: var(--off-white);
  border: 1px solid var(--cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--normal) var(--ease);
}
.post-card:hover {
  border-color: rgba(91,155,213,0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(13,34,64,0.1);
}

.post-card__body { padding: 1.75rem; }

.post-card__category {
  display: block;
  font-family: var(--font-label);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.65rem;
}

.post-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.post-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.post-card__date {
  font-family: var(--font-label);
  font-size: 0.68rem;
  color: var(--cream);
  letter-spacing: 0.06em;
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem;
  font-family: var(--font-label);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ===========================
   Contact
   =========================== */
.contact { background: var(--off-white); }

.contact__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; gap: 3rem; }
}

.contact__info h2 { margin-bottom: 1.1rem; }
.contact__info > p { margin-bottom: 2.25rem; font-size: 0.97rem; }
.contact__details { display: flex; flex-direction: column; gap: 0.85rem; }

.contact__detail {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  color: var(--text-body);
}
.contact__detail-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--steel-dim);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.contact__form {
  background: var(--white);
  border: 1px solid var(--cream);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(13,34,64,0.06);
}

.form-group { margin-bottom: 1.2rem; }

.form-group label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.78rem 1rem;
  border: 1.5px solid var(--cream);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--navy);
  background: var(--white);
  transition: border-color var(--fast), box-shadow var(--fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px var(--steel-dim);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===========================
   Footer
   =========================== */
.footer {
  background: var(--navy-deep);
  padding-block: 4rem 2.25rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-dark);
}
@media (max-width: 768px) {
  .footer__top { grid-template-columns: 1fr; gap: 2.25rem; }
}

.footer__brand-logo { height: 28px; width: auto; margin-bottom: 0.85rem; }
.footer__brand p {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.35);
  max-width: 230px;
  line-height: 1.75;
}

.footer__col h4 {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 1.2rem;
}
.footer__col ul li + li { margin-top: 0.65rem; }
.footer__col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--fast);
}
.footer__col ul a:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer__bottom span {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.2);
}

/* ===========================
   Blog page
   =========================== */
.blog-hero {
  background: var(--navy-deep);
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91,155,213,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,0.045) 1px, transparent 1px);
  background-size: 60px 60px;
}
.blog-hero__inner {
  position: relative;
  z-index: 1;
}
.blog-hero h1 { color: var(--white); margin-top: 0.4rem; }
.blog-hero p  { color: rgba(255,255,255,0.45); margin-top: 0.75rem; font-size: 1rem; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
  padding-block: 4.5rem;
}

/* ===========================
   Skeleton
   =========================== */
.skeleton {
  background: linear-gradient(90deg, var(--off-white) 25%, var(--cream) 50%, var(--off-white) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===========================
   Utilities
   =========================== */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}