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

:root {
  /* Palette */
  --clr-bg: #0b0f1a;
  --clr-surface: rgba(255, 255, 255, 0.04);
  --clr-surface-hover: rgba(255, 255, 255, 0.07);
  --clr-border: rgba(255, 255, 255, 0.08);
  --clr-border-focus: rgba(139, 92, 246, 0.5);
  --clr-text: #e2e8f0;
  --clr-text-muted: #94a3b8;
  --clr-text-dim: #64748b;
  --clr-accent: #8b5cf6;
  --clr-accent-light: #a78bfa;
  --clr-accent-glow: rgba(139, 92, 246, 0.25);
  --clr-success: #34d399;
  --clr-error: #f87171;
  --clr-card: rgba(15, 23, 42, 0.6);

  /* Gradient */
  --grad-accent: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);
  --grad-hero: linear-gradient(160deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);

  /* Typography */
  --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.75rem;
  --fs-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--clr-accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

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

body {
  font-family: var(--ff-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Animated Background Orbs ────────────────────── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}

.bg-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: -15%;
  left: -10%;
  animation-delay: 0s;
}

.bg-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  bottom: -10%;
  right: -5%;
  animation-delay: -7s;
}

.bg-orb--3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(30px, -40px) scale(1.05); }
  50%      { transform: translate(-20px, 20px) scale(0.95); }
  75%      { transform: translate(15px, 35px) scale(1.02); }
}

/* ─── Page Layout ─────────────────────────────────── */
.page {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ─── Hero Section ────────────────────────────────── */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='g' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Cpath d='M0 60L60 0' stroke='%23ffffff06' stroke-width='1'/%3E%3C/pattern%3E%3C/defs%3E%3Crect fill='url(%23g)' width='100%25' height='100%25'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 480px;
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.hero__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--clr-accent-glow);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-accent-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--fs-5xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero__title--accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

/* Info Cards */
.hero__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  backdrop-filter: blur(12px);
}

.info-card:hover {
  background: var(--clr-surface-hover);
  border-color: rgba(139, 92, 246, 0.2);
  transform: translateX(6px);
}

.info-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--clr-accent-glow);
  border-radius: var(--radius-sm);
  color: var(--clr-accent-light);
  flex-shrink: 0;
}

.info-card__label {
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  margin-bottom: 2px;
}

.info-card__value {
  font-size: var(--fs-sm);
  color: var(--clr-text);
  font-weight: 500;
}

/* ─── Form Section ────────────────────────────────── */
.form-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  position: relative;
}

.form-card {
  width: 100%;
  max-width: 480px;
  padding: var(--space-2xl);
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeInUp 0.8s var(--ease-out) 0.15s both;
}

.form-card__title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.form-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-xl);
}

/* ─── Form Elements ───────────────────────────────── */
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form__group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-sm);
}

.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  transition: all var(--duration-normal) var(--ease-out);
  outline: none;
}

.form__input::placeholder {
  color: var(--clr-text-dim);
}

.form__input:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--clr-surface-hover);
}

.form__input:focus {
  border-color: var(--clr-border-focus);
  background: var(--clr-surface-hover);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

.form__input.is-invalid {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

.form__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__select option {
  background: #1e293b;
  color: var(--clr-text);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__error {
  display: block;
  font-size: var(--fs-xs);
  color: var(--clr-error);
  margin-top: var(--space-xs);
  min-height: 1rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--duration-fast) var(--ease-out);
}

.form__error.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Button ──────────────────────────────────────── */
.form__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: var(--grad-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.form__btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.form__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--clr-accent-glow);
}

.form__btn:hover::before {
  opacity: 1;
}

.form__btn:active {
  transform: translateY(0);
}

.form__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.form__btn-icon {
  display: flex;
  transition: transform var(--duration-normal) var(--ease-spring);
}

.form__btn:hover .form__btn-icon {
  transform: translate(3px, -3px);
}

.form__btn--outline {
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  margin-top: var(--space-lg);
}

.form__btn--outline:hover {
  background: var(--clr-surface-hover);
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-glow);
}

/* Loading spinner on button */
.form__btn.is-loading .form__btn-text,
.form__btn.is-loading .form__btn-icon {
  opacity: 0;
}

.form__btn.is-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Success State ───────────────────────────────── */
.success {
  text-align: center;
  padding: var(--space-2xl) 0;
  animation: fadeInUp 0.5s var(--ease-spring) both;
}

.success__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(52, 211, 153, 0.1);
  border: 2px solid rgba(52, 211, 153, 0.3);
  border-radius: 50%;
  color: var(--clr-success);
  margin-bottom: var(--space-lg);
  animation: popIn 0.6s var(--ease-spring) 0.2s both;
}

.success__title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.success__text {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}

@keyframes popIn {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ─── Animations ──────────────────────────────────── */
@keyframes fadeInUp {
  0%   { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
  .page {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-2xl);
    min-height: auto;
  }

  .hero__title {
    font-size: var(--fs-4xl);
  }

  .form-section {
    padding: var(--space-2xl);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: var(--space-xl);
  }

  .hero__title {
    font-size: var(--fs-3xl);
  }

  .hero__subtitle {
    font-size: var(--fs-base);
  }

  .form-section {
    padding: var(--space-lg);
  }

  .form-card {
    padding: var(--space-xl);
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .bg-orb {
    display: none;
  }
}