/* ============================================================
   IUTDS Recruitment Website — style.css
   Color palette: Crimson Red #C0161A | Gold #F5A623 | Dark Red #8B0000
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red:        #C0161A;
  --red-dark:   #8B0000;
  --red-mid:    #A01216;
  --gold:       #F5A623;
  --gold-light: #FFD166;
  --white:      #FFFFFF;
  --off-white:  #FFF8F0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--red);
  color: var(--white);
  overflow-x: hidden;
}


/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Background image */
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('Bg.png') center center / cover no-repeat;
  z-index: 0;
}

/* Subtle animated shimmer overlay for depth */
.hero-shimmer {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(245,166,35,0.08) 0%, transparent 70%);
  z-index: 1;
  animation: shimmerPulse 4s ease-in-out infinite;
}

@keyframes shimmerPulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1;   }
}

/* ── Content wrapper ── */
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  padding: 6rem 2rem 8rem;
  max-width: 860px;
  width: 100%;
}

/* ── Logo / hero image ── */
.logo-wrap {
  animation: dropIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes dropIn {
  from { opacity: 0; transform: translateY(-40px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-logo {
  max-width: min(520px, 80vw);
  width: 100%;
  height: auto;
  /* mix-blend-mode multiply: white bg disappears on the red canvas, gold text glows */
  mix-blend-mode: multiply;
  filter: drop-shadow(0 6px 24px rgba(0,0,0,0.35));
  transition: transform 0.3s ease;
}

.hero-logo:hover {
  transform: scale(1.03);
}

/* Fallback title if image is missing */
.fallback-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(5rem, 14vw, 10rem);
  color: var(--gold);
  letter-spacing: 0.04em;
  text-shadow:
    4px 4px 0px var(--red-dark),
    0 8px 32px rgba(0,0,0,0.5);
  line-height: 1;
}

/* ── Recruit badge ── */
.recruit-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: fadeUp 0.9s 0.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.badge-text {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--white);
  text-transform: uppercase;
}

.badge-line {
  display: block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.badge-line:last-child {
  background: linear-gradient(90deg, var(--gold), transparent);
}

/* ── Subtext paragraph ── */
.subtext {
  font-size: clamp(0.88rem, 2.5vw, 1.1rem);
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255,255,255,0.92);
  max-width: 640px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
  animation: fadeUp 0.9s 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  /* Prevent <br> tags from causing horizontal overflow on mobile */
  word-break: break-word;
}

.subtext strong {
  color: var(--gold-light);
  font-weight: 700;
}

/* ── Scroll CTA button ── */
.scroll-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.85rem 2.25rem;
  background: var(--gold);
  color: var(--red-dark);
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 50px;
  box-shadow:
    0 4px 20px rgba(245,166,35,0.45),
    0 1px 0 rgba(255,255,255,0.2) inset;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  animation: fadeUp 0.9s 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.scroll-cta:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 32px rgba(245,166,35,0.6);
  background: var(--gold-light);
}

.arrow-down {
  width: 20px;
  height: 20px;
  animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(4px); }
}

/* ── Hero footer / tagline ── */
.hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  text-align: center;
}

.tagline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem 0.25rem;
  font-size: clamp(0.65rem, 1.5vw, 0.8rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}

.tagline em {
  color: var(--gold);
  font-style: normal;
  font-weight: 800;
}

.bolt {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.brush-bar {
  height: 28px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 28' preserveAspectRatio='none'%3E%3Cpath d='M0,8 Q360,28 720,12 Q1080,-4 1440,16 L1440,28 L0,28 Z' fill='%23F5A623'/%3E%3C/svg%3E")
    center / cover no-repeat;
}


/* ============================================================
   FORM SECTION
   ============================================================ */
.form-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 5rem 1.5rem 0;
}

.form-bg {
  position: absolute;
  inset: 0;
  background: url('Bg.png') center center / cover no-repeat;
  z-index: 0;
}

/* Subtle darker overlay so the form card pops */
.form-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(100, 0, 0, 0.35);
}

/* ── Card container ── */
.form-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 740px;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 32px 80px rgba(0,0,0,0.45),
    0 0 0 1px rgba(245,166,35,0.25);
  animation: riseUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes riseUp {
  from { opacity: 0; transform: translateY(48px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Red top accent bar */
.form-container::before {
  content: '';
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--red));
  background-size: 200% 100%;
  animation: gradientSlide 3s linear infinite;
}

@keyframes gradientSlide {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ── Form header ── */
.form-header {
  padding: 2rem 2.5rem 1.25rem;
  border-bottom: 1px solid rgba(192, 22, 26, 0.12);
}

.form-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.4rem;
}

.form-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.04em;
  color: var(--red-dark);
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.form-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #444;
  max-width: 540px;
}

/* ── iFrame wrapper ── */
.iframe-wrapper {
  position: relative;
  width: 100%;
  min-height: 600px;
}

#google-form-iframe {
  display: block;
  width: 100%;
  min-height: 600px;
  border: none;
  background: #fff;
}

/* Placeholder shown when no URL is set */
.iframe-placeholder {
  display: none; /* hidden by default; JS adds .visible to show it */
  position: absolute;
  inset: 0;
  background: #fff8f8;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  text-align: center;
  color: #666;
  font-size: 1rem;
  pointer-events: none;
}

.iframe-placeholder.visible {
  display: flex;
}

.iframe-placeholder p {
  margin: 0;
}

.placeholder-hint {
  font-size: 0.82rem !important;
  color: #999 !important;
  line-height: 1.6;
}

.iframe-placeholder code {
  background: #f0e0e0;
  color: var(--red);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* ── Form section footer ── */
.form-section-footer {
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: center;
  margin-top: 2.5rem;
}

/* ============================================================
   RESPONSIVE — TABLET  (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  .hero-content {
    padding: 5rem 2rem 7rem;
    gap: 0.9rem;
  }

  .form-section {
    padding: 3.5rem 1.25rem 0;
  }

  .form-container {
    border-radius: 16px;
  }

  .form-header {
    padding: 1.75rem 2rem 1.1rem;
  }

  #google-form-iframe {
    min-height: 520px;
  }

  .iframe-wrapper {
    min-height: 520px;
  }

  .tagline {
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    padding: 0.5rem 0.75rem 0.25rem;
  }
}


/* ============================================================
   RESPONSIVE — PHONE  (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  /* Hero */
  .hero-content {
    padding: 4.5rem 1.25rem 6.5rem;
    gap: 0.75rem;
  }

  .hero-logo {
    max-width: 90vw;
  }

  /* Badge */
  .badge-text {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
  }

  .badge-line {
    width: 20px;
  }

  /* Subtext — hide the <br> breaks on mobile so text wraps naturally */
  .subtext br {
    display: none;
  }

  .subtext {
    font-size: 0.9rem;
    padding: 0 0.25rem;
  }

  /* CTA button */
  .scroll-cta {
    font-size: 0.88rem;
    padding: 0.75rem 1.75rem;
  }

  /* Form card */
  .form-section {
    padding: 3rem 0.75rem 0;
  }

  .form-container {
    border-radius: 14px;
    max-width: 100%;
  }

  .form-header {
    padding: 1.25rem 1.25rem 0.9rem;
  }

  .form-eyebrow {
    font-size: 0.72rem;
  }

  .form-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .form-desc {
    font-size: 0.85rem;
    line-height: 1.6;
  }

  #google-form-iframe {
    min-height: 480px;
  }

  .iframe-wrapper {
    min-height: 480px;
  }

  /* Tagline */
  .tagline {
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    gap: 0.4rem;
  }

  .bolt {
    width: 12px;
    height: 12px;
  }

  .brush-bar {
    height: 20px;
  }

  .form-section-footer {
    margin-top: 1.5rem;
  }
}


/* ============================================================
   RESPONSIVE — SMALL PHONE  (≤ 400px)
   ============================================================ */
@media (max-width: 400px) {
  .hero-content {
    padding: 4rem 1rem 6rem;
    gap: 0.6rem;
  }

  .scroll-cta {
    font-size: 0.8rem;
    padding: 0.65rem 1.4rem;
  }

  .badge-text {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }

  .badge-line {
    width: 14px;
  }

  .form-section {
    padding: 2.5rem 0.5rem 0;
  }

  .form-header {
    padding: 1rem 1rem 0.75rem;
  }

  .form-title {
    font-size: 1.6rem;
  }

  #google-form-iframe {
    min-height: 440px;
  }

  .iframe-wrapper {
    min-height: 440px;
  }
}


/* ============================================================
   TOUCH / HOVER — disable hover transforms on touch devices
   ============================================================ */
@media (hover: none) {
  .scroll-cta:hover {
    transform: none;
    box-shadow: 0 4px 20px rgba(245,166,35,0.45);
    background: var(--gold);
  }

  .hero-logo:hover {
    transform: none;
  }
}