/* ==========================================================================
   EVENTOPHONE - Design System
   A glowing video guestbook brand. Champagne glow on deep ink.
   Bold + original, romantic + modern, dreamlike drift.
   Performance rule: animate ONLY transform & opacity (Core Web Vitals safe).
   ========================================================================== */

/* ----- Design tokens ----------------------------------------------------- */
:root {
  /* Canvas - deep, warm plum-ink so soft champagne reads as a true glow */
  --ink-900: #0c0910;
  --ink-800: #14101c;
  --ink-700: #1c1626;
  --ink-650: #241d30;
  --ink-600: #2e2540;
  --line:    rgba(243, 226, 188, 0.14);
  --line-strong: rgba(243, 226, 188, 0.28);

  /* Champagne / soft-white accent system */
  --champagne:        #F3E2BC;
  --champagne-bright: #FBEFD3;
  --champagne-deep:   #E4C98E;
  --glow:             rgba(243, 226, 188, 0.55);
  --glow-soft:        rgba(243, 226, 188, 0.16);

  /* Text */
  --cream:     #F8F1E4;   /* primary text on dark */
  --cream-dim: #C9BCA6;   /* secondary text */
  --cream-mute:#9A8F7E;   /* tertiary / captions */
  --on-light:  #1a1422;   /* text on champagne fills */

  /* Whisper of dusty rose, used only inside gradients */
  --rose: rgba(231, 184, 176, 0.5);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Spacing & shape */
  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 9vw, 8rem);
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  /* Shadows / glows */
  --shadow-soft: 0 24px 60px -28px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 60px -8px var(--glow-soft);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 180ms;
  --t-med: 320ms;
}

/* ----- Reset / base ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 92px; /* offset sticky header for anchor links */
}

body {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.96rem + 0.3vw, 1.125rem);
  line-height: 1.65;
  color: var(--cream);
  background-color: var(--ink-800);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 430;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--cream);
  font-optical-sizing: auto;
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection { background: var(--champagne); color: var(--on-light); }

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--champagne);
  color: var(--on-light);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ----- Layout helpers ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--champagne-deep);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--champagne-deep));
}
.eyebrow--center::before { display: none; }

.section-head { max-width: 46rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem);
  margin-top: 0.7rem;
}
.section-head p {
  margin-top: 1.1rem;
  color: var(--cream-dim);
  font-size: 1.075rem;
}

.lede { font-size: clamp(1.1rem, 1rem + 0.6vw, 1.4rem); color: var(--cream-dim); }
.text-glow { color: var(--champagne); }

/* ----- Drifting background (the "dreamlike" layer) ----------------------- */
.aurora {
  position: fixed;
  inset: -20vh -20vw;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
}
.aurora__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  will-change: transform;
}
.aurora__orb--1 {
  width: 46vw; height: 46vw; left: -6vw; top: 4vh;
  background: radial-gradient(circle at 30% 30%, var(--glow), transparent 68%);
  animation: drift1 34s var(--ease) infinite alternate;
}
.aurora__orb--2 {
  width: 38vw; height: 38vw; right: -4vw; top: 28vh;
  background: radial-gradient(circle at 60% 40%, var(--rose), transparent 70%);
  opacity: 0.35;
  animation: drift2 42s var(--ease) infinite alternate;
}
.aurora__orb--3 {
  width: 30vw; height: 30vw; left: 38vw; bottom: -8vh;
  background: radial-gradient(circle at 50% 50%, var(--glow-soft), transparent 72%);
  animation: drift3 38s var(--ease) infinite alternate;
}
.page-grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(243,226,188,0.06), transparent 60%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800) 30%, var(--ink-900));
}

@keyframes drift1 { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(6vw, 5vh, 0) scale(1.12); } }
@keyframes drift2 { from { transform: translate3d(0,0,0) scale(1.05); } to { transform: translate3d(-5vw, -4vh, 0) scale(1); } }
@keyframes drift3 { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(-4vw, -6vh, 0) scale(1.15); } }

/* ----- Buttons ----------------------------------------------------------- */
.btn {
  --btn-bg: var(--champagne);
  --btn-fg: var(--on-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.95rem 1.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  line-height: 1;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease), background var(--t-fast) var(--ease);
  box-shadow: 0 0 0 0 var(--glow);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px var(--glow); }
.btn:active { transform: translateY(0); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--cream);
  border-color: var(--line-strong);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: rgba(243,226,188,0.06); border-color: var(--champagne-deep); box-shadow: none; }
.btn--lg { padding: 1.1rem 2.1rem; font-size: 1.05rem; }
.btn__arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ----- Header / nav ------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease), backdrop-filter var(--t-med) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(12, 9, 16, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 76px;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand:focus-visible { outline-offset: 6px; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  color: var(--cream);
}
.brand__name b { color: var(--champagne); font-weight: 500; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}
.nav__links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cream-dim);
  position: relative;
  transition: color var(--t-fast) var(--ease);
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--cream); }
.nav__links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -7px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--champagne-deep), var(--champagne));
}
.nav__cta { display: flex; align-items: center; gap: 0.85rem; }

.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: transparent;
  position: relative;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 20px; height: 2px; border-radius: 2px; background: var(--cream);
  transform: translate(-50%, -50%);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav__toggle span::before { transform: translate(-50%, -7px); }
.nav__toggle span::after  { transform: translate(-50%, 5px); }

/* ----- Hero -------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(2rem, 5vw, 4rem); padding-bottom: var(--section-y); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}
.hero__copy { max-width: 38rem; }
.hero h1 {
  font-size: clamp(2.7rem, 1.6rem + 4.6vw, 5.1rem);
  margin-top: 1.1rem;
}
.hero h1 em { font-style: italic; color: var(--champagne); font-weight: 380; }
.hero__sub { margin-top: 1.5rem; max-width: 34rem; }
.hero__actions { margin-top: 2.1rem; display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.hero__note { margin-top: 1.4rem; font-size: 0.9rem; color: var(--cream-mute); display: flex; align-items: center; gap: 0.5rem; }
.hero__note strong { color: var(--champagne); font-weight: 700; }

/* Booth stage */
.stage { position: relative; display: grid; place-items: center; min-height: 420px; }
.stage__halo {
  position: absolute; width: 86%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  filter: blur(20px); opacity: 0.7;
  animation: pulse 7s var(--ease) infinite alternate;
}
.stage__booth { position: relative; width: min(360px, 78%); will-change: transform; animation: float 8s var(--ease) infinite alternate; }
@keyframes pulse { from { opacity: 0.45; transform: scale(0.97); } to { opacity: 0.8; transform: scale(1.04); } }
@keyframes float { from { transform: translateY(0); } to { transform: translateY(-14px); } }

/* ----- Trust strip ------------------------------------------------------- */
.trust {
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(243,226,188,0.03), transparent);
}
.trust__row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(1rem, 4vw, 3rem);
  padding-block: 1.4rem;
  text-align: center;
}
.trust__item { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--cream-dim); font-size: 0.92rem; font-weight: 600; }
.trust__item svg { width: 19px; height: 19px; color: var(--champagne-deep); flex: none; }

/* ----- Steps (how it works) --------------------------------------------- */
.steps { display: grid; gap: 1.2rem; grid-template-columns: repeat(4, 1fr); margin-top: 3rem; }
.step {
  position: relative;
  padding: 1.7rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-700), var(--ink-800));
  overflow: hidden;
}
.step__num {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 600;
  color: var(--ink-800);
  background: var(--champagne);
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; margin-bottom: 1.1rem;
}
.step h3 { font-size: 1.28rem; }
.step p { margin-top: 0.55rem; color: var(--cream-dim); font-size: 0.97rem; }
.step__line { position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--champagne), transparent); opacity: 0.5; }

/* ----- Feature split ----------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split--reverse .split__media { order: -1; }
.feature-list { margin-top: 1.8rem; display: grid; gap: 1.3rem; }
.feature {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
  padding-bottom: 1.3rem; border-bottom: 1px solid var(--line);
}
.feature:last-child { border-bottom: 0; padding-bottom: 0; }
.feature__icon {
  width: 44px; height: 44px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, rgba(243,226,188,0.22), rgba(243,226,188,0.05));
  border: 1px solid var(--line-strong);
  color: var(--champagne);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.2rem; }
.feature p { margin-top: 0.3rem; color: var(--cream-dim); font-size: 0.97rem; }

/* Media frames (reserve aspect ratio -> zero layout shift when real photos drop in) */
.frame {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--ink-650), var(--ink-900));
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.frame[data-ratio="4/5"] { aspect-ratio: 4 / 5; }
.frame[data-ratio="3/4"] { aspect-ratio: 3 / 4; }
.frame[data-ratio="1/1"] { aspect-ratio: 1 / 1; }
.frame[data-ratio="16/10"] { aspect-ratio: 16 / 10; }
.frame__ph {
  position: absolute; inset: 0;
  display: grid; place-content: center; place-items: center; gap: 0.7rem;
  text-align: center; padding: 1.5rem;
  color: var(--cream-mute);
}
.frame__ph svg { width: 38px; height: 38px; color: var(--champagne-deep); opacity: 0.8; }
.frame__ph span { font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700; }
.frame__ph small { font-size: 0.82rem; letter-spacing: normal; text-transform: none; color: var(--cream-mute); max-width: 22ch; }
.frame__glow { position: absolute; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, var(--glow-soft), transparent 65%); filter: blur(30px); }

/* ----- Showcase gallery -------------------------------------------------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3rem; }
.gallery .frame:nth-child(1) { grid-row: span 2; }
.gallery .frame:nth-child(1)[data-ratio] { aspect-ratio: auto; }

/* ----- Pricing ----------------------------------------------------------- */
.price-card {
  max-width: 640px; margin-inline: auto; text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(243,226,188,0.10), transparent 60%),
    linear-gradient(180deg, var(--ink-700), var(--ink-800));
  padding: clamp(2.2rem, 5vw, 3.4rem);
  box-shadow: var(--shadow-soft);
}
.price-card__amount { font-family: var(--font-display); font-size: clamp(3rem, 2rem + 4vw, 4.6rem); color: var(--champagne); line-height: 1; }
.price-card__amount small { font-size: 1rem; font-family: var(--font-sans); color: var(--cream-mute); display: block; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 0.6rem; font-weight: 700; }
.price-card ul { margin: 1.8rem auto 2rem; display: grid; gap: 0.8rem; max-width: 420px; text-align: left; }
.price-card li { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem; color: var(--cream-dim); }
.price-card li svg { width: 20px; height: 20px; color: var(--champagne); margin-top: 2px; }

/* ----- FAQ (native details/summary - accessible, no JS, no CLS) ---------- */
.faq { max-width: 760px; margin-inline: auto; margin-top: 2.5rem; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.4rem 0;
}
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 0.2rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-family: var(--font-sans); font-weight: 400; font-size: 1.6rem;
  color: var(--champagne-deep); transition: transform var(--t-med) var(--ease); flex: none; line-height: 1;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0.2rem 1.3rem; color: var(--cream-dim); }

/* ----- CTA banner -------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; }
.cta-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(100% 140% at 50% -20%, rgba(243,226,188,0.16), transparent 60%),
    linear-gradient(180deg, var(--ink-700), var(--ink-900));
  padding: clamp(2.6rem, 6vw, 4.5rem);
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.cta-card h2 { font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); }
.cta-card p { margin: 1rem auto 2rem; max-width: 40rem; color: var(--cream-dim); font-size: 1.08rem; }
.cta-card .hero__actions { justify-content: center; }

/* ----- Footer ------------------------------------------------------------ */
.site-footer { border-top: 1px solid var(--line); margin-top: 2rem; padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.footer__about { max-width: 30ch; color: var(--cream-dim); margin-top: 1rem; font-size: 0.95rem; }
.footer h4 { font-family: var(--font-sans); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cream-mute); font-weight: 700; margin-bottom: 1.1rem; }
.footer__links { display: grid; gap: 0.7rem; }
.footer__links a, .footer__contact a { color: var(--cream-dim); font-size: 0.97rem; transition: color var(--t-fast) var(--ease); }
.footer__links a:hover, .footer__contact a:hover { color: var(--champagne); }
.footer__contact { display: grid; gap: 0.7rem; }
.footer__contact a { display: inline-flex; align-items: center; gap: 0.55rem; }
.footer__contact svg { width: 17px; height: 17px; color: var(--champagne-deep); flex: none; }
.footer__bar {
  margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  color: var(--cream-mute); font-size: 0.85rem;
}
.footer__bar a { color: var(--cream-mute); }
.footer__bar a:hover { color: var(--champagne); }

/* ----- Reveal-on-scroll -------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* ----- Responsive -------------------------------------------------------- */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .stage { order: -1; min-height: 340px; }
  .stage__booth { width: min(300px, 64%); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery .frame:nth-child(1) { grid-row: span 1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav[data-open="true"] .nav__links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1.2rem;
    position: absolute; left: 0; right: 0; top: 76px;
    padding: 1.6rem var(--gutter) 2rem;
    background: rgba(12,9,16,0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .nav[data-open="true"] .nav__links a { font-size: 1.1rem; }
  .nav[data-open="true"] { position: relative; }
}

@media (max-width: 560px) {
  .steps, .gallery, .footer__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .trust__row { gap: 0.8rem 1.6rem; }
}

/* ----- Reduced motion (accessibility) ------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .aurora__orb, .stage__booth, .stage__halo { animation: none !important; }
}