/* ═══════════════════════════════════════════════════════
   SKYFORGE ROOFING — SHARED DESIGN SYSTEM
   Minimalist Modern · Electric Blue Gradient
   Calistoga Display · Inter Body
═══════════════════════════════════════════════════════ */

/* ─── GOOGLE FONTS ─── */
@import url('https://fonts.googleapis.com/css2?family=Calistoga&family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── DESIGN TOKENS ─── */
:root {
  --color-bg:          #F7F4EF;
  --color-bg-warm:     #F0EDE7;
  --color-bg-card:     #FFFFFF;
  --color-bg-dark:     #111827;
  --color-bg-darker:   #0D1321;
  --color-text:        #1E293B;
  --color-text-mid:    #475569;
  --color-text-light:  #94A3B8;
  --color-white:       #FFFFFF;
  --color-border:      #E2DDD7;
  --color-border-mid:  #CBD5D9;
  --color-border-dark: #2D3748;
  --color-success:     #16A34A;
  --color-error:       #DC2626;
  --color-warning:     #D97706;

  --grad-start: #0052FF;
  --grad-end:   #4D7CFF;
  --gradient:   linear-gradient(135deg, #0052FF 0%, #4D7CFF 100%);
  --gradient-h: linear-gradient(135deg, #0044E0 0%, #3D6CEE 100%);

  --font-display: 'Calistoga', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 999px;

  --shadow-sm:   0 1px 4px rgba(30,41,59,.06), 0 1px 2px rgba(30,41,59,.04);
  --shadow-md:   0 4px 16px rgba(30,41,59,.08), 0 2px 8px rgba(30,41,59,.04);
  --shadow-lg:   0 12px 40px rgba(30,41,59,.12), 0 4px 16px rgba(30,41,59,.06);
  --shadow-xl:   0 24px 60px rgba(30,41,59,.16), 0 8px 24px rgba(30,41,59,.08);
  --shadow-blue: 0 8px 32px rgba(0,82,255,.28);

  --ease: all 0.25s cubic-bezier(.4,0,.2,1);
  --ease-spring: all 0.4s cubic-bezier(.34,1.56,.64,1);

  --max-width: 1200px;
  --nav-height: 72px;
}

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-height) + 12px);
}
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img  { display: block; max-width: 100%; height: auto; object-fit: cover; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ─── CONTAINER ─── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; color: var(--color-text); font-weight: 400; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.25rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }
h4 { font-size: 1.05rem; font-weight: 700; font-family: var(--font-body); }
p  { color: var(--color-text-mid); line-height: 1.7; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── LAYOUT ─── */
.section-pad    { padding-block: clamp(2.25rem, 4vw, 4rem); }
.section-pad-sm { padding-block: clamp(1.5rem, 3vw, 3rem); }
.bg-warm        { background: var(--color-bg-warm); }
.bg-dark        { background: var(--color-bg-dark); }
.bg-darker      { background: var(--color-bg-darker); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.section-label {
  display: inline-block;
  font-size: .7rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--grad-start);
  background: rgba(0,82,255,.08);
  padding: .35rem .9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.section-label.light { color: var(--grad-end); background: rgba(77,124,255,.15); }
.section-title    { margin-bottom: 1rem; }
.section-title.light { color: var(--color-white); }
.section-sub      { font-size: 1.05rem; max-width: 540px; margin-inline: auto; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--gradient); color: #fff;
  padding: .78rem 1.75rem; border-radius: var(--radius-full);
  font-weight: 600; font-size: .925rem; transition: var(--ease);
  box-shadow: var(--shadow-blue); white-space: nowrap; border: none;
}
.btn-primary:hover { background: var(--gradient-h); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,82,255,.36); }
.btn-primary.btn-lg { padding: .9rem 2.25rem; font-size: 1rem; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  background: transparent; color: var(--color-text);
  padding: .78rem 1.75rem; border-radius: var(--radius-full);
  font-weight: 600; font-size: .925rem;
  border: 1.5px solid var(--color-border); transition: var(--ease);
}
.btn-ghost:hover { border-color: var(--grad-start); color: var(--grad-start); background: rgba(0,82,255,.04); }
.btn-ghost.btn-lg { padding: .9rem 2.25rem; font-size: 1rem; }

.btn-white {
  display: inline-flex; align-items: center; gap: .5rem;
  background: #fff; color: var(--grad-start);
  padding: .9rem 2.25rem; border-radius: var(--radius-full);
  font-weight: 700; font-size: 1rem; transition: var(--ease);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.2); }

.btn-outline-light {
  display: inline-flex; align-items: center; gap: .5rem;
  background: transparent; color: #fff;
  padding: .88rem 2.25rem; border-radius: var(--radius-full);
  font-weight: 600; font-size: 1rem;
  border: 1.5px solid rgba(255,255,255,.35); transition: var(--ease);
}
.btn-outline-light:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.65); }
.btn-full { width: 100%; justify-content: center; }

/* ─── REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; } .d4 { transition-delay: .4s; }
.d5 { transition-delay: .5s; } .d6 { transition-delay: .6s; }

/* ─── NAV ─── */
.nav-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(247,244,239,.9);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
  height: var(--nav-height);
}
.nav-header.scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-md); }

.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-height); }

.nav-logo {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-display); font-size: 1.2rem; color: var(--color-text);
}
.logo-dot { color: var(--grad-start); }

.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  font-size: .875rem; font-weight: 500; color: var(--color-text-mid);
  transition: color .2s; white-space: nowrap; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--gradient);
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--color-text); font-weight: 700; }
.nav-links .nav-cta { font-weight: 600; }
.nav-links .nav-cta::after { display: none; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--ease); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; flex-direction: column;
  background: var(--color-bg); border-top: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem 1.75rem; gap: .25rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-weight: 500; color: var(--color-text); font-size: 1rem;
  padding: .65rem 0; border-bottom: 1px solid var(--color-border);
  transition: color .2s;
}
.mobile-menu a:hover { color: var(--grad-start); }
.mobile-menu a.active { color: var(--grad-start); font-weight: 700; }
.mobile-menu a:last-child { border: none; margin-top: .5rem; }

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 3rem;
  background: var(--color-bg-dark);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 10% 50%, rgba(0,82,255,.18) 0%, transparent 60%),
              radial-gradient(ellipse 50% 60% at 90% 20%, rgba(77,124,255,.12) 0%, transparent 55%);
  pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 1; }
.breadcrumb,
.page-hero-breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .78rem; color: rgba(255,255,255,.4);
  margin-bottom: 1.25rem;
}
.breadcrumb a,
.page-hero-breadcrumb a { color: var(--grad-end); transition: color .2s; }
.breadcrumb a:hover,
.page-hero-breadcrumb a:hover { color: #fff; }
.breadcrumb svg,
.page-hero-breadcrumb svg { opacity: .4; }
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero .hero-sub { color: rgba(255,255,255,.72); font-size: 1.1rem; max-width: 640px; margin: 0; }
.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-hero-actions .btn-primary,
.page-hero-actions .btn-ghost {
  min-width: 170px;
}

/* ─── CONTACT SECTION ─── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 2rem;
  align-items: start;
}
.contact-info,
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-info h3 {
  font-size: clamp(1.55rem, 2.2vw, 1.95rem);
  margin-bottom: .75rem;
}
.contact-info p {
  max-width: 34rem;
  color: var(--color-text-mid);
}
.contact-detail {
  display: grid;
  gap: .35rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-detail:last-child {
  border-bottom: none;
}
.contact-detail strong {
  display: block;
  font-size: .78rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.contact-detail a,
.contact-detail span {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 600;
}
.contact-card-notes {
  display: grid;
  gap: .85rem;
  margin-top: 1rem;
  color: var(--color-text-mid);
  font-size: .95rem;
}
.contact-card-notes strong {
  color: var(--color-text);
}
.contact-form-wrap { padding: 2.25rem; }
.contact-form { display: grid; gap: 1rem; }

/* ─── TRUST BAR ─── */
.trust-bar { background: var(--color-white); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: 1.25rem 0; }
.trust-inner { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.trust-label { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-light); white-space: nowrap; }
.trust-logos { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 600; color: var(--color-text-mid); }

/* ─── CTA BAND ─── */
.cta-band {
  background: var(--gradient); padding: clamp(3.5rem,6vw,5rem) 0;
  position: relative; overflow: hidden;
}
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(255,255,255,.06) 0%, transparent 60%); }
.cta-band-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band-text h2 { color: #fff; margin-bottom: .5rem; }
.cta-band-text p  { color: rgba(255,255,255,.75); font-size: 1.05rem; }
.cta-band-actions { display: flex; gap: 1rem; flex-shrink: 0; flex-wrap: wrap; }

/* ─── STAT CARDS ─── */
.stats-row { display: flex; gap: 0; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; }
.stat-cell { flex: 1; padding: 1.5rem 1.75rem; border-right: 1px solid var(--color-border); }
.stat-cell:last-child { border-right: none; }
.stat-num { font-family: var(--font-display); font-size: 2.2rem; color: var(--color-text); line-height: 1; margin-bottom: .25rem; }
.stat-lbl { font-size: .75rem; color: var(--color-text-light); letter-spacing: .04em; }

/* ─── FORM ─── */
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--color-text); }
.form-group input, .form-group select, .form-group textarea {
  padding: .78rem 1rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); font-size: .9rem; color: var(--color-text);
  background: var(--color-bg); transition: var(--ease); outline: none; -webkit-appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-text-light); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--grad-start); background: #fff; box-shadow: 0 0 0 3px rgba(0,82,255,.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .85rem center; padding-right: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-error { font-size: .73rem; color: var(--color-error); }
input.is-error, select.is-error, textarea.is-error { border-color: var(--color-error) !important; }
.form-disclaimer { font-size: .73rem; text-align: center; color: var(--color-text-light); }
.form-success { display: none; flex-direction: column; align-items: center; text-align: center; gap: 1rem; padding: 3rem 1.5rem; }
.form-success.visible { display: flex; }
.form-success h3 { font-size: 1.5rem; }

/* ─── FOOTER ─── */
.footer { background: var(--color-bg-dark); padding-top: clamp(3rem,6vw,5rem); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 4rem; padding-bottom: 3rem; border-bottom: 1px solid var(--color-border-dark); }
.footer-brand { display: flex; flex-direction: column; gap: 1.25rem; }
.footer-logo-text { color: #fff; }
.footer-tagline { font-size: .875rem; color: rgba(255,255,255,.4); line-height: 1.65; max-width: 300px; }
.footer-social { display: flex; gap: .75rem; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--color-border-dark); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.45); transition: var(--ease); }
.footer-social a:hover { border-color: var(--grad-start); color: #fff; background: rgba(0,82,255,.18); }
.footer-links { display: grid; grid-template-columns: repeat(5,1fr); gap: 1.2rem; }
.footer-col h4 { font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.3); margin-bottom: .7rem; font-family: var(--font-body); }
.footer-col a, .footer-col span { display: block; font-size: .75rem; color: rgba(255,255,255,.5); padding: .2rem 0; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.contact-phone, .contact-email { font-weight: 600; color: rgba(255,255,255,.7); }
.contact-phone:hover, .contact-email:hover { color: var(--grad-end); }
.contact-address { font-size: .72rem; color: rgba(255,255,255,.45); line-height: 1.5; margin-top: .3rem; }
.footer-bottom { padding: 1.25rem 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-bottom p { font-size: .72rem; color: rgba(255,255,255,.22); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: .72rem; color: rgba(255,255,255,.28); transition: color .2s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.6); }

/* ─── SCROLL TOP ─── */
.scroll-top { position: fixed; bottom: 1.75rem; right: 1.75rem; width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-blue); z-index: 900; opacity: 0; transform: translateY(12px); pointer-events: none; transition: var(--ease); }
.scroll-top.visible { opacity: 1; transform: none; pointer-events: auto; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,82,255,.42); }

/* ─── ACCESSIBILITY ─── */
:focus-visible { outline: 2px solid var(--grad-start); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-links { grid-template-columns: repeat(2,1fr); gap: 1rem; }
  .cta-band-inner { flex-direction: column; }
  .stats-row { flex-wrap: wrap; }
  .stat-cell { flex: 1 1 45%; border-bottom: 1px solid var(--color-border); }
  .contact-wrapper { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .footer-links { grid-template-columns: 1fr; gap: .8rem; }
  .footer-col h4 { margin-bottom: .5rem; }
  .footer-col a, .footer-col span { padding: .15rem 0; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .trust-logos { gap: 1rem; }
}