/* ============================================================
   THE RUTHLESS GUIDE TO BDSM — Documentary Website
   Kaz B | 2CIFF Milton Keynes | August 2026
   Chromatic gradient theme: Blue · Turquoise · Lilac · Silver
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@300;400;500;600;700;900&display=swap');

/* --- CSS Variables --- */
:root {
  --blue:      #0a0a3e;
  --mid-blue:  #0d1b6e;
  --turquoise: #00c9c8;
  --lilac:     #c9a6f5;
  --silver:    #b0b8d4;
  --white:     #f0f0ff;
  --glass-bg:  rgba(10, 10, 62, 0.55);
  --glass-border: rgba(201, 166, 245, 0.25);
  --glow-turq: 0 0 18px rgba(0, 201, 200, 0.45);
  --glow-lilac: 0 0 18px rgba(201, 166, 245, 0.45);
  --nav-height: 70px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Raleway', sans-serif;
  color: var(--white);
  min-height: 100vh;
  background: var(--blue);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background: linear-gradient(135deg, #0a0a3e 0%, #0d1b6e 15%, #0a3060 28%, #006b7d 40%, #00c9c8 52%, #7b5ea7 63%, #c9a6f5 74%, #b0b8d4 85%, #8090c0 92%, #0d1b6e 100%);
  background-size: 400% 400%;
  animation: gradientShift 18s ease infinite;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(5, 5, 30, 0.42);
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  25%  { background-position: 100% 0%; }
  50%  { background-position: 100% 100%; }
  75%  { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

/* --- Typography --- */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: 0.03em; line-height: 1.2; }

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  background: linear-gradient(90deg, var(--turquoise), var(--lilac), var(--silver));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(0, 201, 200, 0.4));
}

h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); color: var(--turquoise); text-shadow: var(--glow-turq); margin-bottom: 1rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: var(--lilac); margin-bottom: 0.5rem; }
p { line-height: 1.8; color: rgba(240, 240, 255, 0.92); margin-bottom: 1rem; }
a { color: var(--turquoise); text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
a:hover { color: var(--lilac); text-shadow: var(--glow-lilac); }

/* --- Navigation --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  background: rgba(10, 10, 62, 0.75);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 2px 30px rgba(0, 201, 200, 0.1);
}

.nav-logo {
  font-size: 1rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: linear-gradient(90deg, var(--turquoise), var(--lilac));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  white-space: nowrap;
}

.nav-links { display: flex; gap: 0.15rem; list-style: none; align-items: center; }
.nav-links a {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--silver); padding: 0.4rem 0.75rem; border-radius: 4px;
  transition: all 0.3s; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--turquoise); background: rgba(0, 201, 200, 0.12); text-shadow: var(--glow-turq);
}

.nav-toggle { display: none; flex-direction: column; cursor: pointer; gap: 5px; padding: 4px; }
.nav-toggle span { width: 25px; height: 2px; background: var(--silver); border-radius: 2px; transition: all 0.3s; }

/* --- Glass Panel --- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.07);
}

/* --- Buttons --- */
.btn {
  display: inline-block; padding: 0.75rem 2rem; border-radius: 50px;
  font-family: 'Raleway', sans-serif; font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer;
  transition: all 0.3s; border: none; text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--turquoise), #0095a8);
  color: var(--blue); box-shadow: 0 4px 20px rgba(0, 201, 200, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 201, 200, 0.6); color: var(--blue); text-shadow: none; }
.btn-secondary {
  background: transparent; color: var(--lilac); border: 2px solid var(--lilac);
  box-shadow: 0 4px 20px rgba(201, 166, 245, 0.2);
}
.btn-secondary:hover { background: rgba(201, 166, 245, 0.15); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201, 166, 245, 0.4); color: var(--lilac); text-shadow: var(--glow-lilac); }
.btn-silver {
  background: linear-gradient(135deg, var(--silver), #8090c0);
  color: var(--blue); box-shadow: 0 4px 20px rgba(176, 184, 212, 0.3);
}
.btn-silver:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(176, 184, 212, 0.5); color: var(--blue); text-shadow: none; }

/* --- Layout --- */
.page-wrapper { padding-top: var(--nav-height); min-height: 100vh; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.divider { width: 60px; height: 3px; background: linear-gradient(90deg, var(--turquoise), var(--lilac)); border-radius: 2px; margin: 1.5rem auto; }
.divider-left { margin: 1.5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { max-width: 650px; margin: 0 auto; color: var(--silver); }
.page-hero { text-align: center; padding: 4rem 1.5rem 3rem; }
.page-hero p { font-size: 1.1rem; color: var(--silver); max-width: 600px; margin: 0 auto; }


/* --- Hero Section --- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 4rem 1.5rem; position: relative;
}
.hero-inner { max-width: 850px; }
.hero-eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.25em; text-transform: uppercase; color: var(--turquoise);
  border: 1px solid rgba(0,201,200,0.35); padding: 0.35rem 1.2rem;
  border-radius: 50px; margin-bottom: 1.5rem; background: rgba(0,201,200,0.08);
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem); font-weight: 300; color: var(--silver);
  margin: 1.5rem 0 2.5rem; line-height: 1.7;
}
.hero-premiere {
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.25rem;
  padding: 1.25rem 2.5rem; border-radius: 12px;
  background: rgba(201,166,245,0.1); border: 1px solid rgba(201,166,245,0.3); margin: 2rem 0;
}
.hero-premiere .label { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lilac); font-weight: 600; }
.hero-premiere .date { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.hero-premiere .venue { font-size: 0.9rem; color: var(--silver); }
.hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* --- Festival / Ticket Cards --- */
.festival-card { padding: 2.5rem; max-width: 800px; margin: 2rem auto 0; text-align: center; }
.festival-card .fest-tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--turquoise); font-weight: 700; margin-bottom: 0.5rem; }
.festival-card h3 { color: var(--white); font-size: 1.4rem; margin-bottom: 1rem; }
.festival-card p { color: var(--silver); font-size: 0.95rem; }
.ticket-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 0.75rem; margin: 1.5rem 0; }
.ticket-item { background: rgba(0,201,200,0.08); border: 1px solid rgba(0,201,200,0.2); border-radius: 10px; padding: 0.75rem; text-align: center; }
.ticket-item .ticket-name { font-size: 0.72rem; color: var(--silver); display: block; margin-bottom: 0.25rem; line-height: 1.3; }
.ticket-item .ticket-price { font-size: 1.2rem; font-weight: 700; color: var(--turquoise); }

/* --- Trailer / Video --- */
.video-container {
  position: relative; padding-bottom: 56.25%; height: 0;
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(0,201,200,0.2);
  border: 1px solid rgba(0,201,200,0.2);
}
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.trailer-info { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; }
.trailer-info-card { padding: 1.75rem; border-radius: 12px; }

/* --- About Page --- */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: start; }
.about-photo { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px rgba(201,166,245,0.2); border: 1px solid rgba(201,166,245,0.25); }
.about-photo img { width: 100%; height: auto; display: block; object-fit: cover; }
.roles { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 1.5rem; }
.role-tag { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.35rem 0.9rem; border-radius: 50px; background: rgba(0,201,200,0.12); border: 1px solid rgba(0,201,200,0.3); color: var(--turquoise); }
.social-links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.social-link { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1rem; border-radius: 8px; background: rgba(176,184,212,0.08); border: 1px solid rgba(176,184,212,0.2); color: var(--silver); font-size: 0.82rem; font-weight: 600; transition: all 0.3s; }
.social-link:hover { background: rgba(0,201,200,0.12); border-color: rgba(0,201,200,0.4); color: var(--turquoise); transform: translateY(-2px); text-shadow: none; }
.social-link svg { width: 16px; height: 16px; flex-shrink: 0; }

/* --- Film Credits --- */
.credits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.credit-card { padding: 1.25rem; border-radius: 10px; background: rgba(10,10,62,0.5); border: 1px solid var(--glass-border); }
.credit-card .year { font-size: 0.75rem; color: var(--turquoise); font-weight: 600; letter-spacing: 0.1em; display: block; margin-bottom: 0.25rem; }
.credit-card .title { font-size: 0.95rem; font-weight: 600; color: var(--white); display: block; margin-bottom: 0.2rem; }
.credit-card .role { font-size: 0.82rem; color: var(--silver); }

/* --- Gallery --- */
.gallery-grid { columns: 3; column-gap: 1rem; margin-top: 1rem; }
.gallery-item { break-inside: avoid; margin-bottom: 1rem; border-radius: 12px; overflow: hidden; cursor: pointer; position: relative; transition: transform 0.3s, box-shadow 0.3s; border: 1px solid rgba(201,166,245,0.15); }
.gallery-item:hover { transform: scale(1.02); box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 20px rgba(0,201,200,0.25); border-color: rgba(0,201,200,0.4); }
.gallery-item img { width: 100%; height: auto; display: block; transition: filter 0.3s; }
.gallery-item:hover img { filter: brightness(1.1) saturate(1.1); }
.gallery-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,62,0.8) 0%, transparent 60%); opacity: 0; transition: opacity 0.3s; display: flex; align-items: flex-end; padding: 1rem; }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { font-size: 0.8rem; color: var(--turquoise); font-weight: 600; }

/* --- Lightbox --- */
.lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(5,5,25,0.95); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.3s; }
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 30px 80px rgba(0,0,0,0.8); object-fit: contain; }
.lightbox-close { position: absolute; top: 1.5rem; right: 1.5rem; background: rgba(201,166,245,0.15); border: 1px solid rgba(201,166,245,0.3); color: var(--white); width: 40px; height: 40px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
.lightbox-close:hover { background: rgba(201,166,245,0.3); }

/* --- Press --- */
.press-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; }
.press-card { padding: 2rem; border-radius: 16px; }
.contact-email { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 1.05rem; font-weight: 600; color: var(--turquoise); padding: 0.75rem 1.5rem; border-radius: 10px; background: rgba(0,201,200,0.1); border: 1px solid rgba(0,201,200,0.3); transition: all 0.3s; margin-top: 0.5rem; }
.contact-email:hover { background: rgba(0,201,200,0.2); box-shadow: var(--glow-turq); color: var(--turquoise); text-shadow: none; transform: translateY(-2px); }
.press-bio { padding: 2rem; border-radius: 16px; margin-top: 2rem; border-left: 3px solid var(--turquoise); }
.press-bio p { font-style: italic; font-size: 1.05rem; }

/* --- Newsletter Form --- */
.newsletter-wrapper { max-width: 600px; margin: 0 auto; padding: 3rem; border-radius: 20px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; color: var(--silver); margin-bottom: 0.5rem; text-transform: uppercase; }
.form-control { width: 100%; padding: 0.85rem 1.25rem; background: rgba(10,10,62,0.6); border: 1px solid rgba(176,184,212,0.3); border-radius: 10px; color: var(--white); font-family: 'Raleway', sans-serif; font-size: 0.95rem; transition: border-color 0.3s, box-shadow 0.3s; outline: none; }
.form-control::placeholder { color: rgba(176,184,212,0.5); }
.form-control:focus { border-color: var(--turquoise); box-shadow: 0 0 0 3px rgba(0,201,200,0.15); }
.form-note { font-size: 0.8rem; color: rgba(176,184,212,0.6); text-align: center; margin-top: 1rem; }
.success-message { display: none; text-align: center; padding: 1.5rem; border-radius: 12px; background: rgba(0,201,200,0.1); border: 1px solid rgba(0,201,200,0.3); color: var(--turquoise); font-weight: 600; margin-top: 1rem; }

/* --- Footer --- */
footer { background: rgba(5,5,25,0.85); backdrop-filter: blur(10px); border-top: 1px solid var(--glass-border); padding: 3rem 0 2rem; margin-top: 5rem; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.footer-brand h3 { font-size: 1rem; color: var(--turquoise); margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.82rem; color: rgba(176,184,212,0.7); line-height: 1.6; margin: 0; }
.footer-links h4 { font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--lilac); margin-bottom: 0.75rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { font-size: 0.85rem; color: rgba(176,184,212,0.7); }
.footer-links a:hover { color: var(--turquoise); text-shadow: none; }
.footer-bottom { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid rgba(201,166,245,0.1); font-size: 0.8rem; color: rgba(176,184,212,0.5); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 360px; margin: 0 auto; }
  .trailer-info { grid-template-columns: 1fr; }
  .press-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 650px) {
  .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(10,10,62,0.97); backdrop-filter: blur(16px); flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--glass-border); gap: 0.25rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 1rem; width: 100%; text-align: center; }
  .nav-toggle { display: flex; }
  .gallery-grid { columns: 1; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .newsletter-wrapper { padding: 2rem 1.25rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .ticket-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-turquoise { color: var(--turquoise); }
.text-lilac { color: var(--lilac); }
.text-silver { color: var(--silver); }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; } .mb-2 { margin-bottom: 2rem; }