/* ============================================================
   sections.css — Kallisto Portfolio Site
   Per-section styles: nav, hero, brand-story, pillars,
   featured, lifestyle-banner, catalogue, cta-banner, footer
   ============================================================ */

/* ─────────────────────────────────────────
   00 — NAVIGATION
   ───────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.4rem var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  transition: background var(--transition-base),
              backdrop-filter var(--transition-base),
              padding var(--transition-base),
              border-bottom var(--transition-base);
}

.nav-scrolled {
  background: rgba(var(--color-primary-rgb), 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.9rem var(--space-2xl);
  border-bottom: 0.5px solid rgba(247, 245, 242, 0.08);
}

/* Logo */
.nav-logo {
  display: block;
  flex-shrink: 0;
  line-height: 0;
}

.nav-logo-img {
  height: 60px;
  width: auto;
  display: block;
  mix-blend-mode: screen; /* blends away dark/colored bg on dark nav */
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(247, 245, 242, 0.75);
  letter-spacing: 0.04em;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

/* Nav CTA */
.nav-cta {
  padding: 0.55rem 1.4rem;
  background: var(--color-accent);
  color: var(--color-dark-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(196, 168, 130, 0.35);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-dark-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
  transform-origin: center;
}

.hamburger.open .hamburger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open .hamburger-line:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open .hamburger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-dark-bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu .nav-link {
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-dark-text);
}

.mobile-menu .nav-cta {
  margin-top: var(--space-md);
  padding: 0.75rem 2.5rem;
  font-size: var(--text-sm);
}

/* ─────────────────────────────────────────
   01 — HERO
   ───────────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  background: var(--color-dark-bg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Gradient glow */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(196, 168, 130, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 40%;
  height: 50%;
  background: radial-gradient(ellipse at center, rgba(196, 168, 130, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-3xl);
  padding-top: 5rem; /* nav offset */
  position: relative;
  z-index: 1;
  width: 100%;
}

/* Hero Text */
.hero-text {
  max-width: 580px;
}

.hero-overline {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: block;
}

.hero-title {
  font-size: var(--text-display);
  font-weight: 600;
  line-height: 1.05;
  color: var(--color-dark-text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-dark-muted);
  line-height: 1.75;
  max-width: 50ch;
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Image Showcase — auto-cycling crossfade */
.hero-showcase {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 0.5px rgba(196,168,130,0.15);
  flex-shrink: 0;
}

.showcase-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  /* Ken Burns zoom-in during hold */
  animation: showcase-fade 16s linear infinite;
  will-change: opacity, transform;
}

.showcase-img:nth-child(1) { animation-delay:  0s; }
.showcase-img:nth-child(2) { animation-delay:  4s; }
.showcase-img:nth-child(3) { animation-delay:  8s; }
.showcase-img:nth-child(4) { animation-delay: 12s; }

@keyframes showcase-fade {
  0%     { opacity: 0;   transform: scale(1.06); }
  6.25%  { opacity: 1;   transform: scale(1.03); }  /* fade in 1s */
  18.75% { opacity: 1;   transform: scale(1);    }  /* hold 2s */
  25%    { opacity: 0;   transform: scale(1);    }  /* fade out 1s */
  100%   { opacity: 0;   transform: scale(1.06); }
}

/* Dot indicators */
.showcase-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.showcase-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  animation: dot-active 16s linear infinite;
}

.showcase-dot:nth-child(1) { animation-delay:  0s; }
.showcase-dot:nth-child(2) { animation-delay:  4s; }
.showcase-dot:nth-child(3) { animation-delay:  8s; }
.showcase-dot:nth-child(4) { animation-delay: 12s; }

@keyframes dot-active {
  0%     { background: rgba(255,255,255,0.4); transform: scale(1);   }
  6.25%  { background: rgba(196,168,130,1);   transform: scale(1.3); }
  25%    { background: rgba(196,168,130,1);   transform: scale(1.3); }
  26%    { background: rgba(255,255,255,0.4); transform: scale(1);   }
  100%   { background: rgba(255,255,255,0.4); transform: scale(1);   }
}

/* Float animations and hover are controlled in premium-3d.css */

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--color-accent));
  animation: scroll-pulse 1.8s ease-in-out infinite;
}

.scroll-text {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-dark-muted);
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50%       { opacity: 1;   transform: scaleY(1); }
}

/* ─────────────────────────────────────────
   02 — BRAND STORY STRIP
   ───────────────────────────────────────── */
.brand-story {
  background: var(--color-bg-alt);
  padding: 5rem 0;
  border-top: 0.5px solid var(--color-border);
  border-bottom: 0.5px solid var(--color-border);
}

.brand-story-inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.brand-story-quote {
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.brand-story-quote strong {
  font-style: normal;
  font-weight: 600;
  color: var(--color-text);
}

.brand-story-byline {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ─────────────────────────────────────────
   03 — THREE PILLARS
   ───────────────────────────────────────── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.pillar {
  text-align: center;
  padding: 3rem 2rem;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  transition: transform var(--transition-luxury), box-shadow var(--transition-luxury), border-color var(--transition-base);
}

.pillar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1.5rem;
  background: var(--color-accent-10);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
}

.pillar-title {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.pillar-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ─────────────────────────────────────────
   04 — FEATURED PRODUCTS
   ───────────────────────────────────────── */
.featured-section {
  background: var(--color-bg);
}

/* ─────────────────────────────────────────
   TICKER
   ───────────────────────────────────────── */
.ticker-section {
  background: var(--color-dark-bg);
  border-top: 0.5px solid rgba(247,245,242,0.08);
  border-bottom: 0.5px solid rgba(247,245,242,0.08);
  padding: 1.1rem 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 0;
  animation: ticker 40s linear infinite;
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-dark-muted);
  padding: 0 1.5rem;
}

.ticker-dot {
  color: var(--color-accent);
  font-size: 0.5rem;
  padding: 0 0.5rem;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─────────────────────────────────────────
   05 — LIFESTYLE CAMPAIGN BANNER
   ───────────────────────────────────────── */
.lifestyle-banner {
  position: relative;
  height: 60vh;
  min-height: 380px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lifestyle-bg {
  position: absolute;
  inset: -20%;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-luxury);
}

.lifestyle-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
    rgba(15,15,18,0.45) 0%,
    rgba(15,15,18,0.65) 100%
  );
  z-index: 1;
}

.lifestyle-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  padding: 0 var(--space-xl);
}

.lifestyle-quote {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.lifestyle-sub {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

/* ─────────────────────────────────────────
   06 — FULL CATALOGUE
   ───────────────────────────────────────── */
.catalogue-section {
  background: var(--color-bg-alt);
}

/* ─────────────────────────────────────────
   07 — CTA BANNER
   ───────────────────────────────────────── */
.cta-banner {
  background: var(--color-dark-bg);
  padding: 6rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(196,168,130,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.cta-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-banner-overline {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: block;
}

.cta-banner-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 600;
  color: var(--color-dark-text);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.cta-banner-sub {
  font-size: var(--text-body);
  color: var(--color-dark-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.cta-banner-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Platforms row */
.cta-platforms {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cta-platform-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dark-muted);
  margin-right: 0.5rem;
}

.cta-platform-link {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(247,245,242,0.55);
  border: 0.5px solid rgba(247,245,242,0.15);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
}

.cta-platform-link:hover {
  background: rgba(247,245,242,0.08);
  color: var(--color-dark-text);
  border-color: rgba(247,245,242,0.3);
}

/* ─────────────────────────────────────────
   08 — FOOTER
   ───────────────────────────────────────── */
.footer {
  background: color-mix(in srgb, var(--color-dark-bg) 97%, var(--color-accent));
  padding: 4rem 0 2rem;
  border-top: 0.5px solid rgba(247,245,242,0.08);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: 3rem;
  border-bottom: 0.5px solid rgba(247,245,242,0.08);
  margin-bottom: 2rem;
}

.footer-brand {}

.footer-logo {
  margin-bottom: 1.25rem;
}

.footer-logo-img {
  height: 44px;
  width: auto;
  display: block;
  mix-blend-mode: screen;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-dark-muted);
  line-height: 1.7;
  max-width: 28ch;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border: 0.5px solid rgba(247,245,242,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-dark-muted);
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-bg);
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-dark-text);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-dark-muted);
  transition: color var(--transition-base);
}

.footer-link:hover { color: var(--color-accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: var(--text-xs);
  color: rgba(247,245,242,0.35);
  letter-spacing: 0.04em;
}

.footer-credit {
  font-size: var(--text-xs);
  color: rgba(247,245,242,0.35);
}

.footer-credit a { color: var(--color-accent); transition: opacity var(--transition-base); }
.footer-credit a:hover { opacity: 0.8; }

/* ─────────────────────────────────────────
   RESPONSIVE — Sections
   ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }
  .hero-text { max-width: 100%; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta-group { justify-content: center; }
  .hero-showcase { max-width: 420px; margin: 0 auto; }

  .pillars-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav { padding: 1rem var(--space-lg); }
  .nav-scrolled { padding: 0.75rem var(--space-lg); }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero-inner { padding-top: 4rem; }
  .hero-title { letter-spacing: -0.01em; }
  .hero-img-grid { gap: 0.75rem; }
  /* stagger resets removed — showcase has no stagger */
  .scroll-indicator { display: none; }

  .brand-story { padding: 3.5rem 0; }
  .brand-story-quote { font-size: 1.25rem; }

  .pillars-grid { grid-template-columns: 1fr; gap: 1rem; }
  .pillar { padding: 2rem 1.5rem; }

  .lifestyle-banner { height: 50vh; }

  .cta-banner { padding: 4rem 0; }

  .footer-main { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── Small phones: 480px ─── */
@media (max-width: 480px) {
  /* Hero */
  .hero-inner    { padding-top: 3rem; gap: var(--space-lg); }
  .hero-images   { max-width: 100%; }
  .hero-img-grid { gap: 0.4rem; }

  /* Brand story */
  .brand-story-quote { font-size: 1.1rem; }

  /* Pillars */
  .pillar { padding: 1.5rem 1rem; }

  /* Lifestyle banner */
  .lifestyle-banner { height: 40vh; min-height: 180px; }

  /* CTA banner — stack buttons full-width */
  .cta-banner { padding: 3rem 0; }
  .cta-banner-btns { flex-direction: column; align-items: stretch; }
  .cta-banner-btns .btn-primary,
  .cta-banner-btns .btn-secondary--light { width: 100%; justify-content: center; }
}

/* ─── Extreme small: 360px ─── */
@media (max-width: 360px) {
  .nav { padding: 0.9rem var(--space-md); }
  .hero-img-grid { gap: 0.3rem; }
}