/* ============================================================
   SAL AeroTech — style.css
   Multi-page aviation corporate website
   Palette: Navy / Blue / White / Grey
============================================================ */

/* ============================================================
   1. CSS Custom Properties
============================================================ */
:root {
  --color-navy:        #0A1628;
  --color-navy-mid:    #112240;
  --color-blue:        #1B4F8A;
  --color-blue-light:  #2563A8;
  --color-sky:         #4A90D9;
  --color-white:       #FFFFFF;
  --color-off-white:   #F8F9FB;
  --color-light-grey:  #F0F2F5;
  --color-mid-grey:    #C4CDD8;
  --color-text-grey:   #8898AA;
  --color-text-dark:   #1A2B3C;
  --color-text-body:   #3A4E62;
  --color-border:      #DDE3EA;

  --font-primary:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display:  'Barlow', 'Inter', sans-serif;

  --size-xs:   0.75rem;
  --size-sm:   0.875rem;
  --size-base: 1rem;
  --size-md:   1.125rem;
  --size-lg:   1.25rem;
  --size-xl:   1.5rem;
  --size-2xl:  2rem;
  --size-3xl:  2.5rem;
  --size-4xl:  3.25rem;
  --size-5xl:  4rem;

  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semi:    600;
  --weight-bold:    700;

  --leading-tight:  1.2;
  --leading-snug:   1.4;
  --leading-normal: 1.65;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --container-max:    1200px;
  --container-narrow: 840px;
  --section-pad:      var(--space-24);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 4px rgba(10,22,40,.06), 0 1px 2px rgba(10,22,40,.04);
  --shadow-md: 0 4px 20px rgba(10,22,40,.09), 0 2px 6px rgba(10,22,40,.05);
  --shadow-lg: 0 12px 40px rgba(10,22,40,.13), 0 4px 14px rgba(10,22,40,.07);

  --transition: 240ms ease;
  --nav-height: 108px;
}


/* ============================================================
   2. Reset & Base
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-primary);
  font-size: var(--size-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-dark);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

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


/* ============================================================
   3. Layout Utilities
============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-pad { padding: var(--section-pad) 0; }

.section-bg-dark  { background: var(--color-navy); }
.section-bg-mid   { background: var(--color-navy-mid); }
.section-bg-grey  { background: var(--color-light-grey); }
.section-bg-blue  { background: var(--color-blue); }

.section-header { text-align: center; max-width: 680px; margin: 0 auto var(--space-16); }

.section-label {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-3);
}
.section-label-light { color: var(--color-sky); }

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(var(--size-2xl), 3.5vw, var(--size-4xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-dark);
  margin-bottom: var(--space-5);
}
.section-headline-light { color: var(--color-white); }

.section-intro {
  font-size: var(--size-md);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
}
.section-intro-light { color: rgba(255,255,255,.78); }

.body-text {
  font-size: var(--size-base);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
}

.inline-link { color: var(--color-blue); border-bottom: 1px solid currentColor; }
.inline-link:hover { color: var(--color-sky); }


/* ============================================================
   4. Navigation
============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(10,25,45,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(10,25,45,.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 95px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,.82);
  letter-spacing: .02em;
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--color-sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--color-white); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.nav-cta-link {
  font-size: var(--size-sm);
  font-weight: var(--weight-semi);
  color: var(--color-white);
  background: var(--color-blue);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  letter-spacing: .03em;
  transition: background var(--transition), transform var(--transition);
}
.nav-cta-link:hover {
  background: var(--color-blue-light);
  transform: translateY(-1px);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 4px 0;
}
.toggle-bar {
  display: block;
  width: 100%; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav overlay (mobile) */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,.6);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.visible { opacity: 1; }


/* ============================================================
   5. Buttons
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--size-sm);
  font-weight: var(--weight-semi);
  letter-spacing: .04em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-blue-light);
  box-shadow: 0 6px 20px rgba(27,79,138,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,.55);
}
.btn-outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,.08);
}

.btn-ghost {
  background: transparent;
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
}
.btn-ghost:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-form { width: 100%; justify-content: center; padding: 0.9rem 2rem; font-size: var(--size-base); }


/* ============================================================
   6. Hero — Home (full viewport)
============================================================ */
.section-hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image-wrapper {
  position: absolute;
  inset: 0;
}

.hero-bg-image {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,22,40,.80) 0%,
    rgba(17,34,64,.70) 60%,
    rgba(10,22,40,.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 0 var(--space-6);
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-5);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(var(--size-3xl), 5.5vw, var(--size-5xl));
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.hero-subheadline {
  font-size: clamp(var(--size-base), 2vw, var(--size-md));
  color: rgba(255,255,255,.82);
  line-height: var(--leading-normal);
  max-width: 620px;
  margin: 0 auto var(--space-10);
}

.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-line {
  display: block;
  width: 1px; height: 52px;
  background: linear-gradient(to bottom, rgba(255,255,255,.6), rgba(255,255,255,0));
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: .4; transform: scaleY(.7); }
}


/* ============================================================
   7. Page Banner — Inner pages
============================================================ */
.page-banner {
  position: relative;
  height: 360px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-bottom: var(--space-16);
}

.banner-image-wrapper {
  position: absolute;
  inset: 0;
}

.banner-bg-image {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,22,40,.45), rgba(10,22,40,.82));
}

.banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.banner-label {
  display: block;
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-3);
}

.banner-title {
  font-family: var(--font-display);
  font-size: clamp(var(--size-2xl), 4vw, var(--size-4xl));
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
}

.banner-sub {
  font-size: var(--size-md);
  color: rgba(255,255,255,.78);
  margin-top: var(--space-4);
  max-width: 600px;
  line-height: var(--leading-normal);
}


/* ============================================================
   8. Trust Cards — Home
============================================================ */
.section-trust { padding: var(--space-20) 0; background: var(--color-white); }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.trust-card {
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.trust-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-mid-grey);
}

.trust-card-icon {
  width: 44px; height: 44px;
  color: var(--color-blue);
  margin-bottom: var(--space-5);
}
.trust-card-icon svg { width: 100%; height: 100%; }

.trust-card-title {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.trust-card-desc {
  font-size: var(--size-sm);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
}


/* ============================================================
   9. About Preview — Home
============================================================ */
.section-about-preview { padding: var(--space-24) 0; background: var(--color-light-grey); }

.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-preview-text .section-label { display: block; margin-bottom: var(--space-3); }

.about-preview-text .section-headline {
  font-size: clamp(var(--size-xl), 3vw, var(--size-3xl));
  margin-bottom: var(--space-6);
}

.about-preview-text .body-text { margin-bottom: var(--space-4); }

.about-preview-text .btn { margin-top: var(--space-4); }

.about-preview-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.about-preview-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.about-preview-image-wrap:hover img { transform: scale(1.03); }


/* ============================================================
   10. Capabilities Preview — Home
============================================================ */
.section-cap-preview { padding: var(--space-24) 0; background: var(--color-navy); }

.cap-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

.cap-preview-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-md);
  color: var(--color-white);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.cap-preview-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(74,144,217,.45);
  transform: translateY(-2px);
  color: var(--color-white);
}

.cap-preview-card-icon {
  width: 36px; height: 36px;
  color: var(--color-sky);
  flex-shrink: 0;
}
.cap-preview-card-icon svg { width: 100%; height: 100%; }

.cap-preview-card-title {
  font-family: var(--font-display);
  font-size: var(--size-base);
  font-weight: var(--weight-semi);
  line-height: var(--leading-snug);
}

.cap-preview-cta { text-align: center; }


/* ============================================================
   11. Quality Preview — Home
============================================================ */
.section-quality-preview { padding: var(--space-24) 0; background: var(--color-white); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

.cert-card {
  padding: var(--space-6) var(--space-5);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-blue);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.cert-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cert-card-icon {
  width: 32px; height: 32px;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
}
.cert-card-icon svg { width: 100%; height: 100%; }

.cert-card-title {
  font-family: var(--font-display);
  font-size: var(--size-base);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.cert-card-note {
  font-size: var(--size-xs);
  color: var(--color-text-grey);
  letter-spacing: .04em;
}

.quality-preview-cta { text-align: center; }


/* ============================================================
   12. RFQ Preview — Home
============================================================ */
.section-rfq-preview {
  padding: var(--space-20) 0;
  background: var(--color-blue);
}

.rfq-preview-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.rfq-preview-title {
  font-family: var(--font-display);
  font-size: clamp(var(--size-2xl), 3.5vw, var(--size-3xl));
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.rfq-preview-sub {
  font-size: var(--size-md);
  color: rgba(255,255,255,.82);
  margin-bottom: var(--space-8);
  line-height: var(--leading-normal);
}


/* ============================================================
   13. About Page
============================================================ */
.about-page-content { padding: var(--space-24) 0; }

.about-page-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-20);
  align-items: start;
}

.about-page-text .section-headline {
  font-size: clamp(var(--size-2xl), 3vw, var(--size-3xl));
  margin-bottom: var(--space-8);
}

.about-closing {
  display: inline-block;
  margin-top: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--size-lg);
  font-weight: var(--weight-semi);
  color: var(--color-blue);
  border-left: 3px solid var(--color-sky);
  padding-left: var(--space-4);
}

.about-page-sidebar {}

.about-sidebar-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-6);
  aspect-ratio: 3/4;
}
.about-sidebar-img img { width: 100%; height: 100%; object-fit: cover; }

.about-sidebar-card {
  background: var(--color-light-grey);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.about-sidebar-card-title {
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text-grey);
  margin-bottom: var(--space-4);
}

.about-sidebar-list { display: flex; flex-direction: column; gap: var(--space-3); }

.about-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
}

.about-sidebar-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-sky);
  flex-shrink: 0;
}


/* ============================================================
   14. Capabilities Page
============================================================ */
.capabilities-page { padding: var(--space-24) 0; }

.cap-blocks { display: flex; flex-direction: column; gap: var(--space-5); }

.cap-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  align-items: start;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.cap-block:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
  border-color: var(--color-mid-grey);
}

.cap-block-num {
  font-family: var(--font-display);
  font-size: var(--size-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-light-grey);
  line-height: 1;
  min-width: 56px;
  text-align: right;
  padding-top: 2px;
}

.cap-block-icon {
  width: 40px; height: 40px;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
}
.cap-block-icon svg { width: 100%; height: 100%; }

.cap-block-title {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.cap-block-desc {
  font-size: var(--size-base);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
}


/* ============================================================
   15. Quality Page
============================================================ */
.quality-page { padding: var(--space-24) 0; }

.quality-intro { max-width: 760px; margin-bottom: var(--space-16); }

.quality-intro .section-headline {
  font-size: clamp(var(--size-2xl), 3vw, var(--size-3xl));
  margin-bottom: var(--space-6);
}

.quality-intro-body { font-size: var(--size-md); color: var(--color-text-body); line-height: var(--leading-normal); margin-bottom: var(--space-5); }

.quality-sections { display: flex; flex-direction: column; gap: var(--space-5); }

.quality-section-block {
  padding: var(--space-10) var(--space-10);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-white);
}

.quality-section-title {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-5);
}

.quality-section-body {
  font-size: var(--size-base);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-4);
}
.quality-section-body:last-child { margin-bottom: 0; }

.quality-doc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-4) 0;
  padding-left: var(--space-2);
}

.quality-doc-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
}

.quality-doc-list li::before {
  content: '';
  display: block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-sky);
  flex-shrink: 0;
}

.quality-authority-list {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.authority-badge {
  padding: var(--space-2) var(--space-5);
  background: var(--color-light-grey);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--size-sm);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  letter-spacing: .03em;
}


/* ============================================================
   16. RFQ / Contact Page
============================================================ */
.contact-page { padding: var(--space-24) 0; }

.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-24);
}

.contact-info-panel {}

.contact-info-panel .section-headline {
  font-size: clamp(var(--size-xl), 2.5vw, var(--size-2xl));
  margin-bottom: var(--space-4);
}

.contact-info-panel .section-intro {
  margin-bottom: var(--space-8);
}

.contact-details { display: flex; flex-direction: column; gap: var(--space-5); margin-bottom: var(--space-8); }

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-detail-icon {
  width: 36px; height: 36px;
  background: var(--color-light-grey);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
  flex-shrink: 0;
}
.contact-detail-icon svg { width: 18px; height: 18px; }

.contact-detail-label {
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text-grey);
  margin-bottom: var(--space-1);
  display: block;
}
.contact-detail-value {
  font-size: var(--size-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
  transition: color var(--transition);
}
a.contact-detail-value:hover { color: var(--color-blue); }

.contact-form-panel {}

/* RFQ Guidelines */
.rfq-section { padding: var(--space-24) 0; background: var(--color-light-grey); }

.rfq-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}

.rfq-guide-card {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.rfq-guide-card-num {
  font-family: var(--font-display);
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-3);
}

.rfq-guide-card-title {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  font-weight: var(--weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.rfq-guide-card-desc {
  font-size: var(--size-sm);
  color: var(--color-text-body);
  line-height: var(--leading-normal);
}

.rfq-form-panel {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.rfq-form-panel .section-headline {
  font-size: clamp(var(--size-xl), 2.5vw, var(--size-2xl));
  margin-bottom: var(--space-3);
}

.rfq-form-note {
  font-size: var(--size-sm);
  color: var(--color-text-grey);
  margin-top: var(--space-6);
  line-height: var(--leading-normal);
  font-style: italic;
}


/* ============================================================
   17. Forms (shared)
============================================================ */
.form-field { margin-bottom: var(--space-5); }

.form-row { display: flex; gap: var(--space-5); }
.form-row-half > .form-field { flex: 1; margin-bottom: 0; }
.form-row { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--size-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.required { color: var(--color-blue); margin-left: 2px; }

.form-input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: var(--size-base);
  color: var(--color-text-dark);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(27,79,138,.12);
}

.form-input::placeholder { color: var(--color-text-grey); }

.form-textarea { resize: vertical; min-height: 120px; }

.select-wrapper { position: relative; }
.select-wrapper::after {
  content: '';
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-text-grey);
  pointer-events: none;
}
.form-select { padding-right: 36px; }

.form-section-title {
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-grey);
  padding: var(--space-4) 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
}

.form-status {
  font-size: var(--size-sm);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  display: none;
}
.form-status.success {
  display: block;
  background: #EDF7F0;
  color: #1E6B3B;
  border: 1px solid #B7E2C7;
}
.form-status.error {
  display: block;
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}


/* ============================================================
   18. Footer
============================================================ */
.site-footer {
  background: var(--color-navy);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: var(--space-8);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  margin-bottom: var(--space-4);
}

.footer-logo-img {
  height: 70px;
  width: auto;
  display: block;
  margin-bottom: 10px;
  object-fit: contain;
}

.footer-tagline {
  font-size: var(--size-sm);
  color: rgba(255,255,255,.52);
  line-height: var(--leading-normal);
  max-width: 240px;
}

.footer-col-title {
  font-size: var(--size-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.45);
  margin-bottom: var(--space-5);
}

.footer-nav-list { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-link {
  font-size: var(--size-sm);
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--color-white); }

.footer-email { display: block; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--size-xs);
  color: rgba(255,255,255,.38);
}


/* ============================================================
   19. Animation System
============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
  transition-delay: var(--delay, 0s);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero content animates in on load */
.hero-content {
  animation: heroFadeIn 900ms ease forwards;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ============================================================
   20. Responsive
============================================================ */
@media (max-width: 1024px) {
  .trust-grid          { grid-template-columns: repeat(2, 1fr); }
  .cap-preview-grid    { grid-template-columns: repeat(2, 1fr); }
  .cert-grid           { grid-template-columns: repeat(2, 1fr); }
  .footer-grid         { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .about-page-grid     { grid-template-columns: 1fr; }
  .about-sidebar-img   { aspect-ratio: 16/9; }
  .contact-page-grid   { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: var(--space-16); }

  .nav-logo-img { height: 65px; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-overlay { display: block; pointer-events: none; }
  .nav-overlay.visible { pointer-events: auto; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(300px, 85vw);
    height: 100%;
    background: var(--color-navy);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-8) var(--space-8);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform 300ms ease;
    z-index: 101;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: var(--size-base); color: rgba(255,255,255,.85); }
  .nav-cta-link { padding: var(--space-3) var(--space-5); font-size: var(--size-base); }

  /* Grids */
  .trust-grid       { grid-template-columns: 1fr; }
  .about-preview-grid { grid-template-columns: 1fr; }
  .cap-preview-grid { grid-template-columns: 1fr; }
  .cert-grid        { grid-template-columns: 1fr; }
  .rfq-guide-grid   { grid-template-columns: 1fr; }

  /* Page banner */
  .page-banner { height: 280px; padding-bottom: var(--space-10); }

  /* Cap block */
  .cap-block { grid-template-columns: 1fr; gap: var(--space-4); padding: var(--space-6); }
  .cap-block-num { text-align: left; font-size: var(--size-2xl); }

  /* Quality section */
  .quality-section-block { padding: var(--space-6); }

  /* Form row */
  .form-row { flex-direction: column; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }

  /* Hero */
  .hero-cta-group { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container, .container-narrow { padding: 0 var(--space-4); }
  .hero-headline { font-size: var(--size-2xl); }
  .page-banner { height: 240px; }
}