/* ==========================================================
   Panamera Construction — theme
   ========================================================== */
:root {
  --navy-900: #0b1626;
  --navy-800: #102238;
  --navy-700: #17304d;
  --steel-500: #5b6b7f;
  --steel-200: #d7dde4;
  --steel-100: #eef1f4;
  --white: #ffffff;
  --accent: #e8932a;       /* gold-orange CTA */
  --accent-dark: #c97a17;
  --text: #1c2633;
  --text-muted: #556274;

  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Barlow Condensed", "Arial Narrow", sans-serif;

  --radius: 4px;
  --shadow: 0 10px 30px rgba(11, 22, 38, 0.12);
  --container: 1200px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4vw, 3rem); text-transform: uppercase; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 820px; }
.center { text-align: center; margin-top: 40px; }

.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .9rem;
  color: var(--accent);
  margin-bottom: .6em;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn--primary { background: var(--accent); color: var(--white); }
.btn--primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn--ghost:hover { background: var(--white); color: var(--navy-900); }
.btn--lg { padding: 16px 32px; font-size: 1.1rem; }
.btn--block { width: 100%; padding: 16px; font-size: 1.1rem; }

/* Top bar */
.topbar { background: var(--navy-900); color: var(--steel-200); font-size: .85rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; }
.topbar__links { display: flex; gap: 24px; }
.topbar a:hover { color: var(--accent); }

/* Header */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--steel-200);
  transition: box-shadow .2s;
}
.header.is-scrolled { box-shadow: var(--shadow); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.logo { display: flex; align-items: center; gap: 10px; color: var(--navy-900); }
.logo__mark { width: 48px; height: 48px; flex: none; }
.logo__block { fill: var(--navy-800); }
.logo__beam { fill: var(--accent); }
.logo__bowl { stroke: var(--white); }
.logo__text {
  font-family: var(--font-head); font-weight: 700; font-size: 1.6rem;
  text-transform: uppercase; line-height: 1; letter-spacing: .04em;
}
.logo__text small {
  display: block; font-size: .7rem; letter-spacing: .32em; color: var(--steel-500); font-weight: 600;
}
.logo--light { color: var(--white); }
.logo--light .logo__text small { color: var(--steel-200); }
.logo--light .logo__block { fill: var(--white); }
.logo--light .logo__bowl { stroke: var(--navy-900); }

/* Nav */
.nav__list { list-style: none; display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__item > a {
  display: block; padding: 10px 14px;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--navy-800);
}
.nav__item > a:hover { color: var(--accent); }
.nav__item--cta > a.btn { color: var(--white); margin-left: 8px; }
.has-dropdown > a::after { content: " \25BE"; font-size: .8em; }

.dropdown {
  list-style: none; margin: 0; padding: 8px 0;
  position: absolute; top: 100%; left: 0; min-width: 230px;
  background: var(--white); border-top: 3px solid var(--accent);
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a { display: block; padding: 8px 20px; font-size: .95rem; color: var(--text); }
.dropdown a:hover { background: var(--steel-100); color: var(--accent-dark); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 3px; margin: 5px 0; background: var(--navy-800); transition: transform .2s, opacity .2s; }

/* Hero */
.hero {
  position: relative;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(11,22,38,.94) 0%, rgba(11,22,38,.75) 50%, rgba(11,22,38,.35) 100%),
    url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&q=70") center/cover no-repeat,
    var(--navy-800);
  padding: 120px 0 0;
}
.hero__inner { max-width: var(--container); }
.hero h1 { max-width: 800px; }
.hero__lead { max-width: 620px; font-size: 1.2rem; color: var(--steel-200); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 16px; margin: 32px 0 80px; }

.badges {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: rgba(11,22,38,.85);
  border-top: 3px solid var(--accent);
}
.badge {
  padding: 24px 16px; text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
}
.badge:last-child { border-right: 0; }
.badge strong { display: block; font-family: var(--font-head); font-size: 2rem; color: var(--accent); line-height: 1.1; }
.badge span { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--steel-200); }

/* Sections */
.section { padding: 96px 0; }
.section--alt { background: var(--steel-100); }
.section--dark { background: var(--navy-900); color: var(--white); }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 56px; }

.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Form */
.section--form { background: var(--steel-100); }
.form-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 24px 0 0; }
.checklist li { padding-left: 32px; position: relative; margin-bottom: 10px; font-weight: 500; }
.checklist li::before {
  content: "\2713"; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; display: grid; place-items: center;
  background: var(--accent); color: var(--white); border-radius: 50%; font-size: .8rem;
}
.form {
  background: var(--white); padding: 40px; border-radius: var(--radius);
  box-shadow: var(--shadow); border-top: 4px solid var(--accent);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form label { display: block; font-weight: 600; font-size: .9rem; color: var(--navy-800); margin-bottom: 18px; }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 6px;
  font: inherit; font-weight: 400; color: var(--text);
  padding: 12px 14px; border: 1px solid var(--steel-200); border-radius: var(--radius);
  background: var(--white);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,147,42,.2);
}
.form .file input { padding: 10px; background: var(--steel-100); }
.form .is-invalid { border-color: #c0392b; }
.form__status { margin: 14px 0 0; font-weight: 600; text-align: center; }
.form__status.is-success { color: #1e7e4a; }
.form__status.is-error { color: #c0392b; }

/* Value props */
.value {
  padding: 36px 28px; border: 1px solid var(--steel-200); border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.value:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-4px); }
.value__icon {
  width: 56px; height: 56px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--navy-800); color: var(--accent); font-size: 1.6rem; border-radius: var(--radius);
}
.value p { color: var(--text-muted); margin: 0; }

/* Services */
.services { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: stretch; }
.service { padding-left: 18px; border-left: 3px solid var(--accent); }
.service h3 { font-size: 1.2rem; margin-bottom: .3em; color: var(--navy-800); }
.service p { color: var(--text-muted); font-size: .95rem; margin: 0; }
.service--wide { grid-column: 1 / -1; }
.services__media {
  min-height: 420px; border-radius: var(--radius);
  background: url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1000&q=70") center/cover, var(--navy-700);
  box-shadow: var(--shadow);
}

/* Advantage */
.advantage__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; isolation: isolate; }
.advantage__media {
  min-height: 460px; border-radius: var(--radius); position: relative;
  background: url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1000&q=70") center/cover, var(--navy-700);
}
.advantage__media::after {
  content: ""; position: absolute; right: -16px; bottom: -16px; width: 50%; height: 50%;
  border: 4px solid var(--accent); z-index: -1;
}
.advantage__copy p { color: var(--text-muted); }
.stats { list-style: none; padding: 0; margin: 32px 0; display: flex; gap: 40px; flex-wrap: wrap; }
.stats strong { display: block; font-family: var(--font-head); font-size: 2.6rem; color: var(--navy-800); line-height: 1; }
.stats span { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--steel-500); }

/* Projects */
.project {
  position: relative; min-height: 320px; border-radius: var(--radius); overflow: hidden;
  display: flex; align-items: flex-end;
  background: var(--img) center/cover, var(--navy-700);
}
.project::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,22,38,.95) 0%, rgba(11,22,38,.1) 65%);
  transition: background .3s;
}
.project:hover::before { background: linear-gradient(to top, rgba(11,22,38,.95) 0%, rgba(232,147,42,.25) 100%); }
.project__body { position: relative; padding: 24px; }
.project__body span {
  display: inline-block; background: var(--accent); color: var(--white);
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: .1em;
  font-size: .75rem; padding: 3px 10px; margin-bottom: 10px;
}
.project__body h3 { margin-bottom: .2em; }
.project__body p { margin: 0; color: var(--steel-200); font-size: .9rem; }

/* Process */
.process {
  list-style: none; padding: 0; margin: 0; counter-reset: step;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.process li {
  counter-increment: step; position: relative;
  padding: 32px 28px 28px; background: var(--steel-100); border-radius: var(--radius);
  border-bottom: 3px solid var(--navy-800);
}
.process li::before {
  content: counter(step, decimal-leading-zero);
  display: block; font-family: var(--font-head); font-weight: 700; font-size: 3rem; line-height: 1;
  color: var(--accent); margin-bottom: 10px;
}
.process p { color: var(--text-muted); margin: 0; }

/* Testimonials */
.quote {
  margin: 0; padding: 36px 32px; background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); position: relative;
}
.quote::before {
  content: "\201C"; position: absolute; top: 4px; right: 24px;
  font-family: Georgia, serif; font-size: 5rem; color: var(--accent); opacity: .3; line-height: 1;
}
.quote p { font-size: 1.05rem; }
.quote cite { font-style: normal; font-weight: 600; color: var(--navy-800); }
.quote cite::before { content: "\2605\2605\2605\2605\2605"; display: block; color: var(--accent); letter-spacing: 2px; margin-bottom: 6px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--steel-200); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-family: var(--font-head); font-weight: 600; font-size: 1.3rem; color: var(--navy-800);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.8rem; color: var(--accent); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--text-muted); padding-bottom: 12px; }

/* CTA */
.cta {
  background:
    linear-gradient(rgba(11,22,38,.88), rgba(11,22,38,.88)),
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=70") center/cover,
    var(--navy-800);
  color: var(--white); padding: 88px 0; text-align: center;
}
.cta__buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 28px; }

/* Footer */
.footer { background: var(--navy-900); color: var(--steel-200); padding-top: 72px; font-size: .95rem; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; }
.footer h4 { color: var(--white); text-transform: uppercase; letter-spacing: .1em; font-size: 1.1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer a:hover { color: var(--accent); }
.footer__tag { margin: 20px 0; max-width: 320px; }
.social { display: flex; gap: 10px; }
.social a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.25); border-radius: 50%; font-size: .8rem; font-weight: 600;
}
.social a:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.footer__bottom { margin-top: 56px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; text-align: center; }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .badges { grid-template-columns: repeat(3, 1fr); }
  .badge:nth-child(3) { border-right: 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--white); box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav.is-open { max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .nav__list { flex-direction: column; align-items: stretch; padding: 12px 20px 24px; gap: 0; }
  .nav__item > a { padding: 14px 0; border-bottom: 1px solid var(--steel-100); }
  .nav__item--cta > a.btn { margin: 16px 0 0; text-align: center; border-bottom: 0; }
  .dropdown {
    position: static; box-shadow: none; border-top: 0; min-width: 0;
    opacity: 1; visibility: visible; transform: none;
    display: none; padding: 0 0 8px 12px;
  }
  .has-dropdown.is-open .dropdown { display: block; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .form-wrap, .services, .advantage__inner { grid-template-columns: 1fr; gap: 40px; }
  .grid--3, .process { grid-template-columns: repeat(2, 1fr); }
  .services__media, .advantage__media { min-height: 300px; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .topbar__inner > span { display: none; }
  .topbar__inner { justify-content: center; }
  .hero { padding-top: 72px; }
  .hero__ctas { margin-bottom: 56px; }
  .hero__ctas .btn { width: 100%; text-align: center; }
  .badges { grid-template-columns: repeat(2, 1fr); }
  .badge { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .grid--2, .grid--3, .grid--4, .process, .form__row, .footer__grid { grid-template-columns: 1fr; }
  .form__row { gap: 0; }
  .form { padding: 28px 20px; }
  .advantage__media::after { display: none; }
}