:root {
  --navy:       #0d2240;
  --navy-mid:   #173460;
  --blue-light: #e8f1fb;
  --blue-mid:   #bfd5f0;
  --orange:     #e8621a;
  --orange-lt:  #fdf0e8;
  --white:      #ffffff;
  --off-white:  #f7f8fa;
  --grey:       #6b7280;
  --rule:       #e2e8f0;

  --section-px: clamp(1.5rem, 6vw, 7rem);
  --section-py: clamp(4rem, 8vw, 7rem);

  --nav-h: 72px;
  --radius: 2px;
  --font-body: 'DM Sans', sans-serif;
  --font-display: 'Cormorant Garamond', serif;

  --transition: .28s cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--nav-h);
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.15;
}
h2 { font-size: clamp(2rem, 4vw, 3.2rem); color: var(--navy); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p { line-height: 1.7; }

.eyebrow {
  font-family: var(--font-body);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: .75rem;
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition);
  border-radius: var(--radius);
  cursor: pointer;
}
.btn--primary {
  background: var(--orange);
  color: #fff;
  border: 1.5px solid var(--orange);
}
.btn--primary:hover { background: #c9511a; border-color: #c9511a; }
.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.45);
}
.btn--outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn--sm { padding: .6rem 1.4rem; font-size: .75rem; }

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(13,34,64,.08); }
.nav__inner {
  max-width: 1320px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0 var(--section-px);
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--navy);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__logo span { color: var(--orange); }
.nav__links {
  display: flex;
  gap: .25rem;
  margin-left: auto;
}
.nav__link {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--grey);
  padding: .5rem .9rem;
  border-radius: var(--radius);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: .9rem; right: .9rem;
  height: 1.5px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__link:hover,
.nav__link.active { color: var(--navy); }
.nav__link:hover::after,
.nav__link.active::after { transform: scaleX(1); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--navy);
  transition: transform .3s, opacity .3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.section { padding: var(--section-py) var(--section-px); }
.section--bg { background: var(--off-white); }
.section__header {
  max-width: 640px;
}
.section__header.centered {
  margin: 0 auto;
  text-align: center;
}
.section__sub {
  font-size: .95rem;
  color: var(--grey);
  margin-top: 1rem;
  line-height: 1.7;
}

.ph-box {
  background: linear-gradient(135deg, var(--blue-light), var(--blue-mid));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  color: var(--navy);
  font-family: var(--font-body);
  font-size: .78rem;
  text-align: center;
  padding: 1rem;
}
.ph-box .ph-icon { font-size: 2rem; opacity: .4; }
.ph-box p { opacity: .55; max-width: 200px; line-height: 1.5; }

.footer {
  background: var(--navy);
  color: rgba(255,255,255,.7);
  font-size: .88rem;
}
.footer__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem var(--section-px) 3rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer__brand {
  grid-column: 1 / 2;
}
.footer__brand .nav__logo { color: #fff; margin-bottom: 1rem; display: inline-block; }
.footer__brand p { font-size: .85rem; line-height: 1.7; color: rgba(255,255,255,.5); max-width: 280px; }
.footer__nav h4,
.footer__contact h4 {
  font-family: var(--font-body);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 1.25rem;
}
.footer__nav ul { display: flex; flex-direction: column; gap: .65rem; }
.footer__nav a {
  text-decoration: none;
  color: rgba(255,255,255,.6);
  font-size: .85rem;
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--orange); }
.footer__contact p { margin-bottom: .6rem; font-size: .85rem; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem var(--section-px);
  max-width: 100%;
  font-size: .78rem;
  color: rgba(255,255,255,.3);
  text-align: center;
}
.footer__bottom a { color: rgba(255,255,255,.45); text-decoration: none; }
.footer__bottom a:hover { color: var(--orange); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-up { animation: fadeUp .7s ease both; }
.animate-up:nth-child(2) { animation-delay: .1s; }
.animate-up:nth-child(3) { animation-delay: .2s; }

@media (max-width: 900px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(255,255,255,.97);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--rule);
    transform: translateY(-120%);
    transition: transform .4s cubic-bezier(.16,1,.3,1);
    z-index: 99;
    gap: .5rem;
    margin: 0;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__burger { display: flex; }
  .nav .btn--sm { display: none; }

  .footer__inner { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: 1; }
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: .75rem 1rem;
  border: 1.5px solid var(--rule);
  border-radius: 6px;
  background: var(--white);
  color: var(--navy);
  transition: all var(--transition);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 2px rgba(232, 98, 26, .1);
}

input::placeholder, textarea::placeholder {
  color: var(--grey);
  opacity: .7;
}

.input--valid {
  border-color: var(--success, #10b981);
  background: rgba(16, 185, 129, .05);
}

.input--error {
  border-color: #ef4444;
  background: rgba(239, 68, 68, .05);
}

.input--valid:focus {
  border-color: var(--success, #10b981);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, .1);
}

.input--error:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, .1);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.form-group label {
  font-size: .9rem;
  font-weight: 500;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
}

.form-group small {
  font-size: .75rem;
  color: var(--grey);
  margin-top: .25rem;
}

.form-group .input--error ~ small {
  color: #ef4444;
}

.form-group .input--valid ~ small {
  color: var(--success, #10b981);
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  color: white;
  font-size: .9rem;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
  z-index: 1000;
  animation: slideInRight .3s ease both;
}

.toast--success {
  background: var(--success, #10b981);
}

.toast--error {
  background: #ef4444;
}

.toast--warning {
  background: var(--warning, #f59e0b);
}

.toast--info {
  background: var(--blue-accent, #3b82f6);
}

@keyframes slideInRight {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 560px) {
  .toast {
    bottom: 15px;
    right: 15px;
    left: 15px;
    width: auto;
  }
}