@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* ========================================
   CSS VARIABLES - DESIGN TOKENS
   ======================================== */
:root {
  /* Colors - High Contrast Tech Theme */
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f0f0f;
  --bg-input: #121212;
  --bg-input-focus: #1a1a1a;

  --text-primary: #e0e0e0;
  --text-secondary: #888888;
  --text-muted: #555555;
  --text-placeholder: #333333;

  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.1);
  --accent-hover: #ffffff;

  --border-subtle: #222222;
  --border-strong: #444444;
  --border-focus: var(--accent);

  --success: #00ff88;
  --error: #ff4444;

  /* Typography - Strict Monospace */
  --font-family: 'Space Mono', 'Roboto Mono', 'Courier New', monospace;
  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Borders - Subtle Rounding */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 100ms ease;
  --transition-base: 150ms ease;

  /* Shadows - Minimal/None */
  --shadow-glow: none;
  --shadow-card: none;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  padding: var(--space-6);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8) 0;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  text-align: left;
  margin-bottom: var(--space-12);
  border-left: 2px solid var(--accent);
  padding-left: var(--space-6);
}

.header__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-1);
  color: var(--accent);
}

.header__subtitle {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.header__date {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-family: var(--font-family);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header__description {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  max-width: 100%;
  margin: 0;
  line-height: 1.6;
}

.header__description p {
  margin-bottom: var(--space-4);
}

.header__quote {
  font-style: italic;
  color: #bbbbbb;
  margin: var(--space-8) 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.header__quote cite {
  display: block;
  font-style: normal;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Minimal meta text */
.header__meta {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--space-4);
  letter-spacing: 0.05em;
}

/* ========================================
   CARD
   ======================================== */


/* ========================================
   FORM ELEMENTS
   ======================================== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.form-grid .form-group {
  margin-bottom: 0;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.form-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
  white-space: nowrap;
}

.form-label .required {
  color: var(--error);
  margin-left: 2px;
}

.form-hint {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  margin: 0;
  line-height: 1;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-placeholder);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  background: var(--bg-input-focus);
  border-color: var(--text-secondary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background: var(--bg-input-focus);
  border-color: var(--accent);
  box-shadow: none;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 5L6 8L9 5' stroke='%2300d4ff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
  padding: var(--space-1) 0;
}

.checkbox-item input {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-strong);
  background: #000;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-item input:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-item span {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.checkbox-item:hover input {
  border-color: var(--accent);
}

.form-select option {
  background: #000;
  color: var(--text-primary);
}

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

/* removed duplicate .form-hint block */

/* ========================================
   FILE UPLOAD
   ======================================== */
.file-upload {
  position: relative;
}

.file-upload__dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  background: var(--bg-input);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.file-upload__dropzone:hover {
  background: var(--bg-input-focus);
  border-color: var(--accent);
}

.file-upload__dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.file-upload__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-3);
  color: var(--text-muted);
}

.file-upload__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: center;
}

.file-upload__text span {
  color: var(--accent);
  text-decoration: underline;
}

.file-upload__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload__preview {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
}

.file-upload__preview.visible {
  display: flex;
}

.file-upload__preview-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.file-upload__preview-name {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-upload__preview-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.file-upload__preview-remove {
  background: none;
  border: none;
  padding: var(--space-1);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.file-upload__preview-remove:hover {
  color: var(--error);
}

/* Multi-file preview */
.file-upload__previews {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* ========================================
   BUTTON
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn--primary {
  background: var(--accent);
  color: #000000;
}

.btn--primary:hover:not(:disabled) {
  background: #fff;
  border-color: #fff;
  transform: none;
}

.btn--primary:active:not(:disabled) {
  background: var(--accent);
}

.btn--primary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--border-subtle);
}

.btn__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ========================================
   FOOTER
   ======================================== */
/* ========================================
   FOUNDER CTA
   ======================================== */
.btn-founder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: var(--space-12);
}

.btn-founder:hover {
  background: var(--bg-input-focus);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-founder svg {
  flex-shrink: 0;
  stroke: currentColor;
}

/* ========================================
   MODAL
   ======================================== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal.visible {
  display: flex;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 550px;
  width: 100%;
  text-align: left;
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--text-primary);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.modal__subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.modal__creds {
  list-style: none;
  margin-bottom: var(--space-6);
  text-align: left;
}

.modal__creds li {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.4;
}

.modal__cred-meta {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.modal__creds li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.modal__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 119, 181, 0.15);
  border: 1px solid rgba(0, 119, 181, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: #0077b5;
  text-decoration: none;
  transition: all var(--transition-base);
  margin-bottom: 0;
}

.modal__linkedin:hover {
  background: rgba(0, 119, 181, 0.25);
  border-color: rgba(0, 119, 181, 0.5);
}

.modal__note {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* ========================================
   MESSAGES
   ======================================== */
.message {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  text-align: center;
}

.message.visible {
  display: block;
}

.message--success {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  color: var(--success);
}

.message--error {
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid rgba(255, 68, 68, 0.3);
  color: var(--error);
}

/* ========================================
   SUCCESS STATE
   ======================================== */
.success-view {
  display: none;
  text-align: left;
  padding: var(--space-12) var(--space-8);
  border: 1px solid var(--success);
  border-radius: var(--radius-lg);
  background: rgba(0, 255, 136, 0.05);
}

.success-view.visible {
  display: block;
}

.success-view__icon {
  width: 48px;
  height: 48px;
  margin: 0 0 var(--space-6);
  color: var(--success);
}

.success-view__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  color: var(--success);
}

.success-view__text {
  color: var(--text-primary);
  line-height: 1.6;
}

.privacy-note {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-8);
  letter-spacing: 0.02em;
}

.privacy-copyright {
  display: block;
  margin-top: var(--space-2);
  opacity: 0.7;
}

/* ========================================
   HIDDEN UTILITY
   ======================================== */
.hidden {
  display: none !important;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 640px) {
  .container {
    padding: var(--space-4);
  }

  .card {
    padding: var(--space-6);
  }

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

  .header__title {
    font-size: var(--font-size-2xl);
  }
}