/* ==========================================================================
   SURREY ROOFING AUTHORITY — PLATINUM LAYER
   Extends the Gold design system with refined spacing, motion tokens,
   atmosphere, and the Platinum visual grammar. Import AFTER style.css.
   ========================================================================== */

/* ---- Platinum tokens ----------------------------------------------------- */
:root {
  /* Platinum atmosphere: slightly warmer fog, deeper shadow */
  --pt-bg:            #F8F9F8;
  --pt-surface:       #FFFFFF;
  --pt-border:        rgba(18,23,28,0.08);
  --pt-shadow-sm:     0 1px 3px rgba(18,23,28,0.06), 0 1px 2px rgba(18,23,28,0.04);
  --pt-shadow-md:     0 4px 16px rgba(18,23,28,0.08), 0 2px 4px rgba(18,23,28,0.04);
  --pt-shadow-lg:     0 12px 40px rgba(18,23,28,0.12), 0 4px 8px rgba(18,23,28,0.06);

  /* Motion */
  --pt-ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --pt-ease-in-out:   cubic-bezier(0.45, 0, 0.55, 1);
  --pt-dur-fast:      160ms;
  --pt-dur-base:      280ms;
  --pt-dur-reveal:    380ms;

  /* Spacing (8-pt grid) */
  --pt-sp-1: 4px;
  --pt-sp-2: 8px;
  --pt-sp-3: 12px;
  --pt-sp-4: 16px;
  --pt-sp-5: 24px;
  --pt-sp-6: 32px;
  --pt-sp-7: 48px;
  --pt-sp-8: 64px;
  --pt-sp-9: 96px;

  /* Platinum brand accent — warm gold refinement */
  --pt-gold:          #C8841A;
  --pt-gold-light:    #F0C878;
  --pt-gold-bg:       rgba(200,132,26,0.07);
  --pt-moss:          #3E5A45;
  --pt-moss-pale:     rgba(62,90,69,0.08);

  /* Concierge */
  --pt-concierge-z:   9000;
}

/* ---- Platinum reset additions -------------------------------------------- */
.pt-page {
  background: var(--pt-bg);
}

/* ---- Scroll reveal: base state (JS adds .pt-revealed) -------------------- */
.pt-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--pt-dur-reveal) var(--pt-ease-out),
    transform var(--pt-dur-reveal) var(--pt-ease-out);
  will-change: opacity, transform;
}
.pt-reveal.pt-reveal--delay-1 { transition-delay: 80ms; }
.pt-reveal.pt-reveal--delay-2 { transition-delay: 160ms; }
.pt-reveal.pt-reveal--delay-3 { transition-delay: 240ms; }
.pt-reveal.pt-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Image reveals: fade only (no translate) */
.pt-reveal--image {
  opacity: 0;
  transform: none;
  transition: opacity var(--pt-dur-reveal) var(--pt-ease-out);
}
.pt-reveal--image.pt-revealed { opacity: 1; }

/* Stat counter: just appear */
.pt-reveal--stat {
  opacity: 0;
  transition: opacity var(--pt-dur-base) var(--pt-ease-out);
}
.pt-reveal--stat.pt-revealed { opacity: 1; }

/* Reduced-motion: skip all transitions */
@media (prefers-reduced-motion: reduce) {
  .pt-reveal,
  .pt-reveal--image,
  .pt-reveal--stat {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---- Platinum Typography refinements ------------------------------------- */
.pt-eyebrow {
  display: inline-block;
  font-family: var(--font-body, 'IBM Plex Sans', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pt-gold);
  margin-bottom: var(--pt-sp-3);
}

.pt-headline {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  line-height: 1.05;
  font-weight: 600;
  color: #12171C;
  margin: 0 0 var(--pt-sp-5);
}

.pt-subheadline {
  font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.35rem);
  line-height: 1.5;
  color: #4C5C68;
  max-width: 60ch;
  margin: 0 0 var(--pt-sp-6);
}

/* ---- Section spacing ----------------------------------------------------- */
.pt-section {
  padding: var(--pt-sp-9) 0;
}
.pt-section--sm {
  padding: var(--pt-sp-7) 0;
}
.pt-section--fog {
  background: var(--fog, #EEF1F0);
}
.pt-section--dark {
  background: #12171C;
  color: #EEF1F0;
}
.pt-section--dark .pt-headline,
.pt-section--dark h2,
.pt-section--dark h3 {
  color: #EEF1F0;
}

/* ---- Platinum card ------------------------------------------------------- */
.pt-card {
  background: var(--pt-surface);
  border: 1px solid var(--pt-border);
  border-radius: 6px;
  padding: var(--pt-sp-6) var(--pt-sp-6);
  box-shadow: var(--pt-shadow-sm);
  transition: box-shadow var(--pt-dur-base) var(--pt-ease-out),
              transform var(--pt-dur-base) var(--pt-ease-out);
}
.pt-card:hover {
  box-shadow: var(--pt-shadow-md);
  transform: translateY(-2px);
}

/* ---- Platinum buttons ---------------------------------------------------- */
.pt-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--pt-sp-2);
  font-family: var(--font-body, sans-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--pt-dur-fast) var(--pt-ease-out),
              box-shadow var(--pt-dur-fast) var(--pt-ease-out),
              background var(--pt-dur-fast) var(--pt-ease-out);
}
.pt-btn:hover {
  transform: scale(1.02);
}
.pt-btn:active {
  transform: scale(0.99);
}
.pt-btn--primary {
  background: var(--pt-gold);
  color: #fff;
  box-shadow: 0 2px 8px rgba(200,132,26,0.25);
}
.pt-btn--primary:hover {
  background: #B6720F;
  box-shadow: 0 4px 16px rgba(200,132,26,0.35);
  color: #fff;
}
.pt-btn--ghost {
  background: transparent;
  color: #12171C;
  border: 1.5px solid rgba(18,23,28,0.2);
}
.pt-btn--ghost:hover {
  border-color: var(--pt-gold);
  color: var(--pt-gold);
  background: var(--pt-gold-bg);
}

/* ---- Platinum hero ------------------------------------------------------- */
.pt-hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--pt-sp-9) 0;
  position: relative;
  overflow: hidden;
}
.pt-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 50%, rgba(62,90,69,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 80%, rgba(200,132,26,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.pt-hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-sp-8);
  align-items: center;
}
@media (max-width: 768px) {
  .pt-hero__layout {
    grid-template-columns: 1fr;
  }
  .pt-hero__media {
    order: -1;
  }
}

/* ---- Arrival message ----------------------------------------------------- */
.pt-arrival {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--pt-moss);
  font-weight: 500;
  margin-bottom: var(--pt-sp-4);
  opacity: 0.85;
}

/* ---- Stats bar ----------------------------------------------------------- */
.pt-stats {
  display: flex;
  gap: var(--pt-sp-6);
  margin-top: var(--pt-sp-7);
  padding-top: var(--pt-sp-6);
  border-top: 1px solid var(--pt-border);
  flex-wrap: wrap;
}
.pt-stat__number {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: #12171C;
  line-height: 1;
  display: block;
}
.pt-stat__label {
  font-size: 0.8125rem;
  color: #4C5C68;
  margin-top: 4px;
  display: block;
}

/* ---- Trust section ------------------------------------------------------- */
.pt-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--pt-sp-5);
}
@media (max-width: 768px) {
  .pt-trust-grid { grid-template-columns: 1fr; }
}
.pt-trust-item__icon {
  width: 40px;
  height: 40px;
  background: var(--pt-gold-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--pt-sp-4);
  font-size: 1.2rem;
}
.pt-trust-item h3 {
  font-size: 1rem;
  margin-bottom: var(--pt-sp-3);
}
.pt-trust-item p {
  font-size: 0.9rem;
  color: #4C5C68;
  margin: 0;
  line-height: 1.6;
}

/* ---- Continuous journey section ----------------------------------------- */
.pt-journey {
  background: var(--pt-surface);
  border: 1px solid var(--pt-border);
  border-radius: 8px;
  padding: var(--pt-sp-7) var(--pt-sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--pt-sp-5);
  margin-top: var(--pt-sp-6);
}
.pt-journey__item {
  display: flex;
  gap: var(--pt-sp-5);
  align-items: flex-start;
}
.pt-journey__num {
  width: 32px;
  height: 32px;
  background: var(--pt-gold-bg);
  color: var(--pt-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
@media (max-width: 480px) {
  .pt-journey { padding: var(--pt-sp-6) var(--pt-sp-5); }
}

/* ---- Platinum roofline divider (inherits Gold style) --------------------- */
.pt-divider {
  height: 32px;
  background: var(--pt-border);
  clip-path: polygon(0 100%, 50% 0, 100% 100%);
  opacity: 0.3;
  margin: 0;
}

/* ---- Pull quote ---------------------------------------------------------- */
.pt-pull-quote {
  font-family: var(--font-display, 'Fraunces', Georgia, serif);
  font-size: clamp(1rem, 1.2vw + 0.5rem, 1.3rem);
  font-style: italic;
  line-height: 1.55;
  color: #12171C;
  border-left: 3px solid var(--pt-gold);
  padding: var(--pt-sp-4) var(--pt-sp-6);
  margin: var(--pt-sp-6) 0 0;
}

/* ---- Body base size ------------------------------------------------------ */
.pt-page {
  font-size: 1rem;
  line-height: 1.65;
}

/* ---- Mobile 390px safeguards -------------------------------------------- */
@media (max-width: 430px) {
  .pt-section { padding: 56px 0; }
  .pt-section--sm { padding: 40px 0; }
  .pt-hero { min-height: 70vh; padding: 48px 0; }
  .pt-stats { gap: var(--pt-sp-5); }
  .pt-btn { padding: 13px 22px; font-size: 0.9rem; }
  .pt-card { padding: var(--pt-sp-5); }
  .container { padding: 0 16px; }
}