/*
Theme Name: AIperitivo Gippi
Theme URI: https://aiperitivo.gippi.ltd
Author: Antonio Gison
Author URI: https://gison.it
Description: Custom dark landing page theme for AIperitivo events by Gippi LTD. Fully customizable via WordPress Customizer — colors, texts, speakers, agenda, FAQ, and more.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aiperitivo
*/

/* ═══════════════════════════════════════════
   CSS VARIABLES — Controlled by WP Customizer
   ═══════════════════════════════════════════ */
:root {
  --font-display: 'Clash Display', sans-serif;
  --font-body: 'Satoshi', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg: #0a0a0f;
  --bg-surface: rgba(255,255,255,0.035);
  --border: rgba(255,255,255,0.07);
  --text: #e8e6e3;
  --text-muted: rgba(255,255,255,0.45);
  --text-dim: rgba(255,255,255,0.22);

  --accent-1: #a78bfa;
  --accent-2: #67e8f9;
  --accent-3: #f9a8d4;
  --gradient: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 50%, var(--accent-3) 100%);

  --max-w: 1140px;
  --section-pad: clamp(60px, 10vw, 100px);
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: rgba(167,139,250,0.2) transparent; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ═══════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.glass { background: var(--bg-surface); backdrop-filter: blur(16px); border: 1px solid var(--border); }
.divider { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.divider::after { content: ''; display: block; height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); }

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.fade-up { animation: fadeUp 0.8s cubic-bezier(.16,1,.3,1) both; }
.fade-up-d1 { animation-delay: 0.1s; }
.fade-up-d2 { animation-delay: 0.2s; }
.fade-up-d3 { animation-delay: 0.3s; }
.fade-up-d4 { animation-delay: 0.4s; }

/* ═══════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 32px;
  display: flex; justify-content: space-between; align-items: center;
  transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
.nav.scrolled {
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 14px 32px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-logo sup {
  font-size: 9px; font-weight: 500; letter-spacing: 2px;
  color: var(--text-dim); vertical-align: super; margin-left: -2px;
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  color: var(--text-muted); transition: color 0.25s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 10px 26px; border-radius: 100px; border: none;
  background: var(--gradient); color: #000;
  font-family: var(--font-body); font-weight: 700; font-size: 13px;
  cursor: pointer; transition: transform 0.2s, opacity 0.2s;
  letter-spacing: 0.02em;
}
.nav-cta:hover { transform: translateY(-1px); opacity: 0.9; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav { padding: 14px 20px; }
}

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding: 140px 0 80px;
  position: relative;
}
.hero-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: 0.35;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(167,139,250,0.08), transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(103,232,249,0.05), transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(249,168,212,0.03), transparent 60%);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 22px; border-radius: 100px;
  font-size: 12px; font-weight: 600; letter-spacing: 2.5px;
  color: var(--text-muted); text-transform: uppercase;
  margin-bottom: 44px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2); animation: pulse 2s infinite;
  flex-shrink: 0;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 10vw, 108px);
  font-weight: 600; line-height: 0.93;
  letter-spacing: -0.04em;
}
.hero h1 .accent {
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  max-width: 560px; margin-top: 32px;
  font-size: clamp(15px, 2vw, 17px); line-height: 1.8;
  color: var(--text-muted); font-weight: 400;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-actions { display: flex; gap: 16px; margin-top: 44px; flex-wrap: wrap; align-items: center; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 17px 36px; border-radius: 100px; border: none;
  background: var(--gradient); color: #000;
  font-family: var(--font-body); font-weight: 700; font-size: 15px;
  cursor: pointer; transition: transform 0.25s, box-shadow 0.25s;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(167,139,250,0.25);
}
.btn-primary .arrow { font-size: 18px; transition: transform 0.2s; }
.btn-primary:hover .arrow { transform: translateX(3px); }

.hero-meta {
  display: flex; align-items: center; gap: 12px;
  margin-left: 8px; font-size: 13px; color: var(--text-dim); font-weight: 500;
}
.hero-meta .sep { width: 1px; height: 16px; background: var(--border); }

.hero-scroll {
  margin-top: 56px; font-size: 10px; font-weight: 700;
  letter-spacing: 4px; color: var(--text-dim); text-transform: uppercase;
  display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
}
.hero-scroll .line { width: 1px; height: 48px; background: var(--border); margin-left: 0; animation: float 3s ease-in-out infinite; }

/* ═══════════════════════════════════════════
   COUNTDOWN
   ═══════════════════════════════════════════ */
.countdown { padding: var(--section-pad) 0; }
.countdown-grid { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.countdown-item { text-align: center; min-width: 90px; }
.countdown-item .num {
  font-family: var(--font-mono); font-size: 42px; font-weight: 700;
  letter-spacing: -0.03em;
}
.countdown-item .label {
  font-family: var(--font-body); font-size: 10px; font-weight: 600;
  letter-spacing: 4px; color: var(--text-dim); text-transform: uppercase;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════
   SECTION HEADERS
   ═══════════════════════════════════════════ */
.section-tag {
  font-family: var(--font-body); font-size: 11px; font-weight: 700;
  letter-spacing: 5px; color: var(--text-dim); text-transform: uppercase;
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 1.05; letter-spacing: -0.03em;
}
.section-title .accent { font-style: italic; }

/* ═══════════════════════════════════════════
   VIDEO TEASER
   ═══════════════════════════════════════════ */
.video-teaser { padding: var(--section-pad) 0; }
.video-card {
  border-radius: 22px; overflow: hidden; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  position: relative; cursor: pointer;
  background: linear-gradient(135deg, rgba(167,139,250,0.05), rgba(103,232,249,0.03));
  transition: border-color 0.3s;
}
.video-card:hover { border-color: rgba(167,139,250,0.15); }
.video-card .overlay {
  position: absolute; inset: 0;
  background: radial-gradient(circle at center, transparent 0%, rgba(10,10,15,0.6) 100%);
}
.video-card .content { position: relative; z-index: 2; text-align: center; }
.play-btn {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 28px; color: #000;
  transition: transform 0.3s;
}
.video-card:hover .play-btn { transform: scale(1.08); }
.video-label {
  font-size: 10px; letter-spacing: 4px; color: var(--text-dim);
  font-weight: 700; text-transform: uppercase;
}
.video-title {
  font-family: var(--font-display); font-size: 22px; font-weight: 500;
  font-style: italic; margin-top: 8px;
}
.video-sub { font-size: 12px; color: var(--text-dim); margin-top: 10px; }

/* ═══════════════════════════════════════════
   SPEAKERS
   ═══════════════════════════════════════════ */
.speakers { padding: var(--section-pad) 0; }
.speakers-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px; margin-top: 52px;
}
.speaker-card {
  border-radius: 20px; padding: 40px 34px;
  position: relative; overflow: hidden;
  transition: transform 0.35s, border-color 0.35s;
}
.speaker-card:hover {
  transform: translateY(-4px);
  border-color: rgba(167,139,250,0.12);
}
.speaker-tag {
  position: absolute; top: 0; right: 0;
  padding: 9px 20px; border-radius: 0 20px 0 14px;
  font-size: 9px; font-weight: 700; letter-spacing: 2.5px;
}
.speaker-tag.guest { background: rgba(103,232,249,0.06); color: var(--accent-2); }
.speaker-tag.host { background: rgba(167,139,250,0.06); color: var(--accent-1); }
.speaker-name {
  font-family: var(--font-display); font-size: 30px; font-weight: 600;
  letter-spacing: -0.02em; margin-bottom: 4px;
}
.speaker-role { font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.speaker-desc { font-size: 14px; line-height: 1.8; color: var(--text-muted); }

/* ═══════════════════════════════════════════
   BENEFITS
   ═══════════════════════════════════════════ */
.benefits { padding: var(--section-pad) 0; }
.benefits-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px; margin-top: 52px;
}
.benefit-card {
  border-radius: 16px; padding: 32px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.benefit-card:hover {
  transform: translateY(-3px);
  border-color: rgba(167,139,250,0.1);
}
.benefit-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gradient); margin-bottom: 18px;
}
.benefit-card h4 {
  font-family: var(--font-display); font-size: 20px; font-weight: 600;
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.benefit-card p { font-size: 13px; line-height: 1.75; color: var(--text-muted); }

/* ═══════════════════════════════════════════
   AGENDA
   ═══════════════════════════════════════════ */
.agenda { padding: var(--section-pad) 0; }
.agenda-content { max-width: 800px; margin: 52px auto 0; }
.day-label {
  display: inline-block; padding: 8px 22px; border-radius: 8px;
  background: rgba(167,139,250,0.06); border: 1px solid rgba(167,139,250,0.12);
  font-family: var(--font-body); font-size: 13px; font-weight: 700;
  letter-spacing: 1.5px; margin-bottom: 20px;
}
.day-block { margin-bottom: 52px; }
.slot {
  border-radius: 12px; padding: 17px 22px;
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 5px;
  transition: background 0.2s, border-color 0.2s;
}
.slot:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(167,139,250,0.1);
}
.slot-time {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  color: var(--accent-1); min-width: 52px; flex-shrink: 0;
}
.slot-name { font-size: 14px; font-weight: 500; }

/* ═══════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════ */
.stats { padding: 64px 0; }
.stats-card {
  border-radius: 20px; padding: 52px 40px; text-align: center;
  background: linear-gradient(135deg, rgba(167,139,250,0.04), rgba(103,232,249,0.02));
}
.stats-grid { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.stat-item .num {
  font-family: var(--font-display); font-size: 44px; font-weight: 600;
  letter-spacing: -0.02em;
}
.stat-item .label {
  font-size: 11px; color: var(--text-dim); margin-top: 6px;
  font-weight: 600; letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════ */
.faq { padding: var(--section-pad) 0; }
.faq-list { max-width: 660px; margin: 52px auto 0; }
.faq-item {
  border-radius: 14px; margin-bottom: 6px;
  overflow: hidden; cursor: pointer;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(167,139,250,0.12); }
.faq-q {
  padding: 20px 24px; display: flex;
  justify-content: space-between; align-items: center;
}
.faq-q span { font-size: 15px; font-weight: 600; }
.faq-q .icon {
  font-size: 20px; color: var(--text-dim);
  transition: transform 0.3s; flex-shrink: 0; margin-left: 16px;
  display: inline-block;
}
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(.4,0,.2,1);
}
.faq-item.open .faq-a { max-height: 200px; }
.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 14px; line-height: 1.8; color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   REGISTRATION FORM
   ═══════════════════════════════════════════ */
.register { padding: var(--section-pad) 0 120px; }
.register-form { max-width: 520px; margin: 52px auto 0; }
.form-card { border-radius: 20px; padding: 36px 32px; }
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--text-muted); margin-bottom: 7px;
}
.form-row input {
  width: 100%; padding: 15px 18px;
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.form-row input::placeholder { color: rgba(255,255,255,0.18); }
.form-row input:focus {
  border-color: rgba(167,139,250,0.4);
  background: rgba(255,255,255,0.06);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-submit {
  width: 100%; padding: 17px; border-radius: 100px; border: none;
  background: var(--gradient); color: #000;
  font-family: var(--font-body); font-weight: 700; font-size: 15px;
  cursor: pointer; margin-top: 6px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(167,139,250,0.22);
}
.btn-submit:disabled {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.2);
  cursor: not-allowed; transform: none; box-shadow: none;
}
.form-note {
  text-align: center; font-size: 11px; color: var(--text-dim); margin-top: 12px;
}
.success-card {
  border-radius: 20px; padding: 52px 36px; text-align: center;
  background: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(103,232,249,0.03));
  border: 1px solid rgba(16,185,129,0.12); display: none;
}
.success-card.visible { display: block; }
.success-card .check { font-size: 52px; margin-bottom: 16px; }
.success-card h3 {
  font-family: var(--font-display); font-size: 28px; font-weight: 600;
  margin-bottom: 12px;
}
.success-card p { font-size: 14px; line-height: 1.8; color: var(--text-muted); }
.success-card strong { color: var(--text); font-weight: 600; }
.success-card .email-highlight { color: var(--accent-2); }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 40px 0; border-top: 1px solid var(--border); text-align: center;
}
.footer-logo {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-bottom: 12px;
}
.footer-logo .mark {
  width: 26px; height: 26px; border-radius: 7px; background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 13px; font-weight: 700; color: #000;
}
.footer-logo .name {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
}
.footer-logo .x {
  font-size: 10px; color: var(--text-dim); letter-spacing: 2.5px; font-weight: 600;
}
.footer p { color: rgba(255,255,255,0.12); font-size: 12px; }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 640px) {
  .hero h1 { font-size: clamp(40px, 12vw, 64px); }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 6px; margin-left: 0; margin-top: 14px; }
  .hero-meta .sep { display: none; }
  .speakers-grid { grid-template-columns: 1fr; }
  .stats-grid { gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .countdown-item .num { font-size: 32px; }
}