/* =============================================
   SPONSORAI — Holding Page
   ============================================= */

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #ffffff;
  background-color: #050508;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Background Scene === */
.bg-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

/*
 * Hero background — drop any sports image into images/hero.jpg and it
 * will render automatically. The CSS gradient below acts as a fallback
 * (and shows through if no image is present).
 *
 * Good free image sources:
 *   unsplash.com → search "stadium lights", "football pitch", "motorsport"
 *   pexels.com   → search "stadium night", "sports crowd"
 */
.bg-image {
  position: absolute;
  inset: 0;
  background-image: url('images/sports-bg.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  /* Fallback gradient (stadium palette) shown when no image is present */
  background-color: #050d0a;
  /* Subtle desaturation so the overlay always reads cleanly */
  filter: saturate(0.8) brightness(0.4);
}

/* CSS gradient scene — used as fallback when no hero image is loaded */
.bg-scene::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% 60%,
      #0d2a1a 0%,
      #0a1e14 30%,
      #06100d 60%,
      #030a08 100%
    );
}

/* Ensure scene children sit above the pseudo-element */
.bg-collage,
.bg-image,
.bg-overlay,
.bg-vignette,
.bg-noise,
.light-beam,
.light-glow,
.pitch-lines {
  z-index: 1;
}

/* =============================================
   SPORTS COLLAGE
   Five sport-environment panels arranged like
   photographs spread across the upper viewport.
   ============================================= */

.bg-collage {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Shared panel styles */
.sport-panel {
  position: absolute;
  overflow: hidden;
  border-radius: 3px;
  box-shadow:
    0 12px 50px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  opacity: 0.88;
}

/* Bottom fade on every panel — dissolves into the dark page */
.sport-panel::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 45%;
  background: linear-gradient(to bottom, transparent 0%, rgba(5, 5, 8, 0.95) 100%);
  pointer-events: none;
}

/* ── Panel 1: Football pitch
   Rich mid-tone green with visible mow stripes + centre-line */
.sport-panel--pitch {
  left: -1%;
  top: -4%;
  width: 22%;
  height: 56vh;
  transform: rotate(-1.5deg);
  transform-origin: top center;
  background:
    /* Faint vertical centre-line */
    linear-gradient(
      90deg,
      transparent 49.5%, rgba(255,255,255,0.12) 49.5%,
      rgba(255,255,255,0.12) 50.5%, transparent 50.5%
    ),
    /* Horizontal mow stripes */
    repeating-linear-gradient(
      0deg,
      rgba(0,0,0,0.18) 0px, rgba(0,0,0,0.18) 1px,
      transparent 1px, transparent 42px
    ),
    linear-gradient(155deg, #1a5c2e 0%, #2a7a3c 40%, #1e6632 70%, #144d24 100%);
}

/* ── Panel 2: Stadium crowd at night
   Visible indigo-navy with warm amber crowd-light clusters */
.sport-panel--stadium {
  left: 19%;
  top: -6%;
  width: 23%;
  height: 60vh;
  transform: rotate(1.3deg);
  transform-origin: top center;
  background:
    radial-gradient(ellipse 35% 25% at 28% 28%, rgba(255, 165, 50, 0.50) 0%, transparent 100%),
    radial-gradient(ellipse 20% 18% at 72% 18%, rgba(255, 185, 70, 0.40) 0%, transparent 100%),
    radial-gradient(ellipse 45% 20% at 55% 65%, rgba(255, 140, 40, 0.25) 0%, transparent 100%),
    radial-gradient(ellipse 15% 12% at 15% 55%, rgba(255, 160, 55, 0.30) 0%, transparent 100%),
    radial-gradient(ellipse 10% 8% at 85% 45%, rgba(255, 200, 80, 0.25) 0%, transparent 100%),
    linear-gradient(165deg, #14144a 0%, #1e1c5a 50%, #14144a 100%);
}

/* ── Panel 3: Motorsport
   Dark asphalt with a strong orange heat-glow from below */
.sport-panel--motor {
  left: 38.5%;
  top: -2%;
  width: 22%;
  height: 57vh;
  transform: rotate(-0.6deg);
  transform-origin: top center;
  background:
    repeating-linear-gradient(
      -48deg,
      rgba(255, 100, 20, 0.07) 0px, rgba(255, 100, 20, 0.07) 1px,
      transparent 1px, transparent 38px
    ),
    radial-gradient(ellipse 100% 50% at 50% 90%, rgba(255, 90, 10, 0.65) 0%, transparent 65%),
    radial-gradient(ellipse 60% 30% at 20% 15%, rgba(255, 130, 30, 0.20) 0%, transparent 100%),
    linear-gradient(160deg, #1e0c04 0%, #2e1408 50%, #1e0c04 100%);
}

/* ── Panel 4: Tennis (hard court)
   Vivid US-Open-blue with visible court grid */
.sport-panel--tennis {
  left: 57%;
  top: -5%;
  width: 23%;
  height: 59vh;
  transform: rotate(1.8deg);
  transform-origin: top center;
  background:
    /* Court grid */
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,0.09) 0px, rgba(255,255,255,0.09) 1px,
      transparent 1px, transparent 54px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,0.09) 0px, rgba(255,255,255,0.09) 1px,
      transparent 1px, transparent 54px
    ),
    /* Net-line at mid-height */
    linear-gradient(
      0deg,
      transparent 47%, rgba(255,255,255,0.15) 47%,
      rgba(255,255,255,0.15) 53%, transparent 53%
    ),
    linear-gradient(155deg, #0e2e5c 0%, #1a4480 50%, #0e2e5c 100%);
}

/* ── Panel 5: Athletics track
   Vivid terracotta-red with lane lines */
.sport-panel--athletics {
  left: 76%;
  top: -2%;
  width: 27%;
  height: 54vh;
  transform: rotate(-1.2deg);
  transform-origin: top center;
  background:
    /* Lane dividers */
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,0.10) 0px, rgba(255,255,255,0.10) 1px,
      transparent 1px, transparent 36px
    ),
    /* Horizon glow */
    radial-gradient(ellipse 120% 45% at 50% 100%, rgba(220, 80, 20, 0.55) 0%, transparent 65%),
    linear-gradient(155deg, #4a1a08 0%, #6a2a0e 50%, #4a1a08 100%);
}

/* Pitch line markings — subtle emerald green */
.pitch-lines {
  position: absolute;
  inset: 0;
  opacity: 0.12;
}

.pitch-line {
  position: absolute;
  background: rgba(80, 200, 120, 0.6);
}

.pitch-line--h1 {
  top: 40%;
  left: 15%;
  right: 15%;
  height: 1px;
}

.pitch-line--h2 {
  top: 62%;
  left: 15%;
  right: 15%;
  height: 1px;
}

.pitch-line--v {
  top: 30%;
  bottom: 25%;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
}

.pitch-circle {
  position: absolute;
  top: 51%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(80, 200, 120, 0.6);
}

/* Stadium floodlight glow — warm amber floods from above */
.light-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: screen;
}

.light-glow--1 {
  top: -10%;
  left: -5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(255, 180, 60, 0.22) 0%, transparent 70%);
  animation: pulse-glow 8s ease-in-out infinite alternate;
}

.light-glow--2 {
  top: -10%;
  right: -5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(255, 160, 40, 0.18) 0%, transparent 70%);
  animation: pulse-glow 10s ease-in-out 2s infinite alternate-reverse;
}

.light-glow--3 {
  bottom: 10%;
  left: 30%;
  width: 40vw;
  height: 30vw;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.06) 0%, transparent 70%);
}

/* Beam shafts */
.light-beam {
  position: absolute;
  top: 0;
  width: 30vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.06;
}

.light-beam--left {
  left: 5%;
  background: linear-gradient(170deg, rgba(255, 200, 100, 0.8) 0%, transparent 60%);
  transform-origin: top center;
  transform: rotate(-8deg);
}

.light-beam--right {
  right: 5%;
  background: linear-gradient(190deg, rgba(255, 200, 100, 0.8) 0%, transparent 60%);
  transform-origin: top center;
  transform: rotate(8deg);
}

/* Dark overlay for readability
   Top is deliberately lighter so the collage panels breathe.
   Mid-section stays clear for text. Bottom is heavy so footer reads. */
.bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 5, 8, 0.08) 0%,
    rgba(5, 5, 8, 0.10) 30%,
    rgba(5, 5, 8, 0.55) 62%,
    rgba(5, 5, 8, 0.90) 100%
  );
}

/* Cinematic vignette */
.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 90% at 50% 50%,
    transparent 40%,
    rgba(2, 2, 5, 0.7) 100%
  );
}

/* Film grain / noise overlay */
.bg-noise {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  animation: noise-shift 0.5s steps(1) infinite;
}

/* === Page Layout === */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 clamp(24px, 5vw, 80px);
}

/* === Header === */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 36px 0 0;
}

.header__logo {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
}

.header__badge {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px 12px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.header__badge:hover {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

/* === Hero === */
/* Content sits in the lower portion of the viewport,
   leaving the upper half clear for the collage to read. */
.hero {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 72px;
}

.hero__inner {
  text-align: center;
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Eyebrow line */
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 36px;
}

.eyebrow-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(100, 220, 100, 1);
  box-shadow: 0 0 6px rgba(100, 220, 100, 0.55);
  animation: blink 2.8s ease-in-out infinite;
}

/* Main headline */
.hero__headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 44px;
}

.hero__headline em {
  font-style: italic;
  color: rgba(255, 255, 255, 0.75);
}

/* Body copy */
.hero__body {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  max-width: 440px;
  margin-bottom: 16px;
}

.hero__body--secondary {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: 40px;
}

/* Whisper line */
.hero__whisper {
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 440px;
  margin-bottom: 56px;
}

.hero__whisper + .hero__whisper {
  margin-top: -28px;
}

/* === Email Signup === */
.signup {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.signup__field {
  display: flex;
  width: 100%;
  height: 52px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.signup__field:focus-within {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.signup__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0 20px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  caret-color: rgba(255, 255, 255, 0.6);
}

.signup__input::placeholder {
  color: rgba(255, 255, 255, 0.22);
}

.signup__btn {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.92);
  color: #0a0a10;
  border: none;
  padding: 0 22px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.signup__btn:hover {
  background: #ffffff;
}

.signup__btn:active {
  transform: scale(0.98);
}

.signup__btn-arrow {
  font-size: 16px;
  transition: transform 0.2s ease;
  display: inline-block;
}

.signup__btn:hover .signup__btn-arrow {
  transform: translateX(3px);
}

/* Success / error states */
.signup__note {
  font-size: 13px;
  font-weight: 400;
  min-height: 20px;
  color: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.signup__note.is-success {
  color: rgba(120, 220, 120, 0.85);
}

.signup__note.is-error {
  color: rgba(255, 120, 100, 0.85);
}

/* Success state — field fades */
.signup.is-submitted .signup__field {
  opacity: 0.4;
  pointer-events: none;
}

/* === Footer === */
.footer {
  padding: 28px 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.02em;
}

.footer__divider {
  opacity: 0.4;
}

/* === Utilities === */
.desktop-break {
  display: none;
}

@media (min-width: 768px) {
  .desktop-break {
    display: block;
  }
}

/* === Animations === */
@keyframes pulse-glow {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0.7; transform: scale(1.08); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.38; }
}

@keyframes noise-shift {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-1%, -1%); }
  20%  { transform: translate(1%, 0); }
  30%  { transform: translate(0, 1%); }
  40%  { transform: translate(-1%, 1%); }
  50%  { transform: translate(1%, -1%); }
  60%  { transform: translate(0, 0); }
  70%  { transform: translate(1%, 1%); }
  80%  { transform: translate(-1%, 0); }
  90%  { transform: translate(0, -1%); }
  100% { transform: translate(1%, 0); }
}

/* Entrance animations */
.header,
.hero__eyebrow,
.hero__headline,
.hero__body,
.hero__whisper,
.signup,
.footer {
  animation: fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.header           { animation-delay: 0.1s; }
.hero__eyebrow    { animation-delay: 0.3s; }
.hero__headline   { animation-delay: 0.45s; }
.hero__body:first-of-type { animation-delay: 0.6s; }
.hero__body--secondary    { animation-delay: 0.7s; }
.hero__whisper    { animation-delay: 0.8s; }
.signup           { animation-delay: 0.95s; }
.footer           { animation-delay: 0.5s; }

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Responsive === */
@media (max-width: 600px) {
  .page {
    padding: 0 20px;
  }

  .header {
    padding-top: 24px;
  }

  .hero {
    padding: 0 0 48px;
  }

  .hero__headline {
    margin-bottom: 32px;
  }

  .signup__btn-text {
    display: none;
  }

  .signup__btn {
    padding: 0 18px;
  }

  .signup__btn-arrow {
    font-size: 18px;
  }

  .footer {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .footer__divider {
    display: none;
  }
}

/* === Mobile image swaps === */
@media (max-width: 767px) {
  .bg-image {
    background-image: url('images/sports-bg-mob.jpg');
  }
}