/* ─── HEADER ─────────────────────────────────────────────── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__logo-icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.header__logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.header__badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 20px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header__link svg {
  width: 16px;
  height: 16px;
}

/* ─── HERO ───────────────────────────────────────────────── */

.hero {
  padding-top: calc(64px + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  opacity: 0;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero__headline {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  opacity: 0;
}

.hero__headline span {
  color: var(--color-accent);
}

.hero__subtext {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.7;
  opacity: 0;
}

/* ─── URL FORM ───────────────────────────────────────────── */

.url-form {
  max-width: 720px;
  margin-inline: auto;
  opacity: 0;
}

.url-form__row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.url-form__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  text-align: left;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.url-input-wrapper {
  flex: 1;
  position: relative;
}

.url-input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.url-input {
  width: 100%;
  height: 52px;
  padding: 0 16px 0 44px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  color: var(--color-text-primary);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.url-input::placeholder {
  color: var(--color-text-muted);
}

.url-input:focus {
  border-color: var(--color-border-glow);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.url-input:focus + .url-input-icon,
.url-input-wrapper:focus-within .url-input-icon {
  color: var(--color-accent);
}

.url-form__error {
  font-size: 0.8rem;
  color: var(--color-danger);
  margin-top: var(--space-2);
  text-align: left;
  min-height: 20px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

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

.url-form__error svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ─── BUTTONS ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-input);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  height: 52px;
  padding: 0 var(--space-6);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.btn--primary:hover {
  background: var(--color-accent-dim);
}

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  height: 40px;
  padding: 0 var(--space-5);
}

.btn--ghost:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.btn--success {
  background: var(--color-success);
  color: #fff;
  height: 44px;
  padding: 0 var(--space-6);
}

.btn--success:hover {
  background: #0ea472;
}

.btn--success:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── EXAMPLE CHIPS ──────────────────────────────────────── */

.example-chips {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  opacity: 0;
}

.example-chips__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-right: var(--space-1);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
  user-select: none;
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.chip svg {
  width: 12px;
  height: 12px;
}

/* ─── PROGRESS PANEL ─────────────────────────────────────── */

.progress-panel {
  max-width: 720px;
  margin-inline: auto;
  margin-top: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: none;
}

.progress-panel.visible {
  display: block;
}

.progress-panel__header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.progress-panel__url {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.progress-panel__status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.status-idle       { background: var(--color-surface-2); color: var(--color-text-muted); }
.status-loading    { background: rgba(245,158,11,0.12); color: var(--color-warning); border: 1px solid rgba(245,158,11,0.25); }
.status-processing { background: rgba(79,70,229,0.12); color: var(--color-accent); border: 1px solid rgba(79,70,229,0.25); }
.status-done       { background: rgba(16,185,129,0.12); color: var(--color-success); border: 1px solid rgba(16,185,129,0.25); }
.status-error      { background: rgba(239,68,68,0.12); color: var(--color-danger); border: 1px solid rgba(239,68,68,0.25); }

.progress-panel__bar-wrapper {
  padding: var(--space-4) var(--space-6) 0;
}

.progress-bar {
  height: 3px;
  background: var(--color-surface-2);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  width: 0%;
  transition: background var(--transition-normal);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.progress-bar__fill.done {
  background: var(--color-success);
}

.progress-bar__fill.error {
  background: var(--color-danger);
}

.progress-panel__counters {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-6) var(--space-4);
}

.counter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.counter__value {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.progress-panel__asset-list {
  max-height: 280px;
  overflow-y: auto;
  border-top: 1px solid var(--color-border);
}

.asset-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transition: background var(--transition-fast);
}

.asset-item:last-child {
  border-bottom: none;
}

.asset-item:hover {
  background: var(--color-surface-2);
}

.asset-item__type-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  min-width: 44px;
  text-align: center;
  flex-shrink: 0;
}

.type-html  { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.type-css   { background: rgba(79,70,229,0.15);  color: var(--color-accent); }
.type-js    { background: rgba(251,191,36,0.15); color: #FBBF24; }
.type-img   { background: rgba(16,185,129,0.15); color: var(--color-success); }
.type-font  { background: rgba(244,114,182,0.15); color: #F472B6; }
.type-other { background: rgba(139,139,168,0.15); color: var(--color-text-secondary); }

.asset-item__name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.asset-item__size {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.asset-item__status-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.asset-item__status-icon.pending { color: var(--color-text-muted); }
.asset-item__status-icon.loading { color: var(--color-warning); }
.asset-item__status-icon.ok      { color: var(--color-success); }
.asset-item__status-icon.fail    { color: var(--color-danger); }

.progress-panel__footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.progress-panel__footer-info {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ─── HOW IT WORKS ───────────────────────────────────────── */

.how-it-works {
  padding-block: var(--space-24);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }
}

.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8) var(--space-6);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.step-card:hover {
  border-color: var(--color-border-glow);
}

.step-card:hover::before {
  transform: scaleX(1);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.04em;
}

.step-icon {
  width: 44px;
  height: 44px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ─── FOOTER ─────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.83rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__copy-sep {
  color: var(--color-border);
}

.footer__link {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

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

.footer__link svg {
  width: 15px;
  height: 15px;
}

/* ─── SPINNER ────────────────────────────────────────────── */

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner--sm {
  width: 12px;
  height: 12px;
}

/* ─── DIVIDER ────────────────────────────────────────────── */

.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin-block: 0;
}

@media (max-width: 600px) {
  .url-form__row {
    flex-direction: column;
  }
  .btn--primary {
    width: 100%;
  }
  .progress-panel__footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer__inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}