/* ============================================================
   off.am — Premium Domain For Sale
   styles.css — Production stylesheet
   ============================================================ */

/* ── Google Font ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
  --clr-indigo:       #4F46E5;
  --clr-indigo-dark:  #3730A3;
  --clr-indigo-light: #EEF2FF;
  --clr-indigo-mid:   #6366F1;
  --clr-white:        #FFFFFF;
  --clr-bg:           #FAFAFA;
  --clr-bg-alt:       #F3F4F6;
  --clr-border:       #E5E7EB;
  --clr-text:         #111827;
  --clr-text-muted:   #6B7280;
  --clr-text-light:   #9CA3AF;
  --clr-success:      #059669;
  --clr-success-bg:   #ECFDF5;
  --clr-error:        #DC2626;
  --clr-error-bg:     #FEF2F2;
  --clr-warning:      #D97706;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.06);
  --shadow-indigo: 0 8px 32px rgba(79,70,229,.25);

  --transition: 200ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 400ms cubic-bezier(.4,0,.2,1);

  --container-max: 1140px;
  --container-pad: clamp(16px, 5vw, 48px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-white);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* ── Screen Reader Only ──────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ── Section Base ────────────────────────────────────────── */
.section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.section-alt {
  background: var(--clr-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-indigo);
  background: var(--clr-indigo-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--clr-text);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  font-family: var(--font-sans);
}

.btn:focus-visible {
  outline: 3px solid var(--clr-indigo);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--clr-indigo);
  color: var(--clr-white);
  box-shadow: var(--shadow-indigo);
}

.btn-primary:hover {
  background: var(--clr-indigo-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 40px rgba(79,70,229,.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border-color: var(--clr-border);
}

.btn-ghost:hover {
  background: var(--clr-bg-alt);
  color: var(--clr-text);
  border-color: #D1D5DB;
}

.btn-sm  { padding: 8px 18px;  font-size: 0.875rem; }
.btn-lg  { padding: 14px 28px; font-size: 1.0625rem; }
.btn-xl  { padding: 16px 36px; font-size: 1.0625rem; }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--clr-text);
  text-decoration: none;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 0.8; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: clamp(72px, 10vw, 136px) 0 clamp(64px, 8vw, 112px);
  background: linear-gradient(160deg, #FAFAFF 0%, #FFFFFF 50%, #F8F9FF 100%);
  overflow: hidden;
  animation: heroFadeIn 0.7s ease both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-indigo-light);
  color: var(--clr-indigo-dark);
  border: 1px solid rgba(79,70,229,0.2);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 28px;
  animation: heroFadeIn 0.7s 0.1s ease both;
}

.badge-icon { font-size: 0.875rem; }

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--clr-text);
  margin-bottom: 24px;
  animation: heroFadeIn 0.7s 0.15s ease both;
}

.hero-domain {
  color: var(--clr-indigo);
  position: relative;
  display: inline-block;
}

.hero-domain::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-indigo), var(--clr-indigo-mid));
  border-radius: 2px;
  opacity: 0.4;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--clr-text-muted);
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto 36px;
  animation: heroFadeIn 0.7s 0.2s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  animation: heroFadeIn 0.7s 0.25s ease both;
}

.hero-min-offer {
  font-size: 0.875rem;
  color: var(--clr-text-light);
  animation: heroFadeIn 0.7s 0.3s ease both;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ── Stats Bar ───────────────────────────────────────────── */
.stats-bar {
  background: var(--clr-indigo);
  padding: clamp(28px, 4vw, 48px) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.stat-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  transition: background var(--transition);
}

.stat-card:hover {
  background: rgba(255,255,255,0.13);
}

.stat-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  line-height: 1;
}

.stat-value {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.025em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  margin-top: 4px;
}

.stat-sublabel {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
}

/* ── Advantages ──────────────────────────────────────────── */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.advantage-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79,70,229,0.2);
}

.advantage-icon {
  width: 52px; height: 52px;
  background: var(--clr-indigo-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.advantage-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}

.advantage-desc {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── Business Ideas ──────────────────────────────────────── */
.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.idea-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.idea-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(79,70,229,0.2);
}

.idea-emoji {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.idea-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.idea-desc {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
}

/* ── Process Steps ───────────────────────────────────────── */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 48px;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.process-step:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(79,70,229,0.2);
}

.step-connector {
  width: 2px;
  height: 16px;
  background: linear-gradient(to bottom, var(--clr-indigo), rgba(79,70,229,0.15));
  margin: 0 0 0 39px;
  flex-shrink: 0;
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--clr-indigo);
  color: white;
  font-weight: 800;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(79,70,229,0.25);
}

.step-content { flex: 1; }

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

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

/* Desktop horizontal process */
@media (min-width: 1024px) {
  .process-steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .process-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 160px;
    max-width: 180px;
    padding: 24px 16px;
    flex: 1;
    gap: 14px;
  }

  .step-connector {
    width: 32px;
    height: 2px;
    background: linear-gradient(to right, var(--clr-indigo), rgba(79,70,229,0.15));
    margin: 19px 0 0 0;
    align-self: flex-start;
    flex-shrink: 0;
  }
}

/* ── Trust Badges ─────────────────────────────────────────── */
.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 16px 24px;
  background: var(--clr-indigo-light);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(79,70,229,0.1);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-indigo-dark);
}

.trust-separator {
  color: var(--clr-text-light);
  font-weight: 300;
}

/* ── Contact Form ────────────────────────────────────────── */
.form-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

#offer-form {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 48px);
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.captcha-row {
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.required {
  color: var(--clr-error);
  font-weight: 700;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--clr-text);
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:hover {
  border-color: #D1D5DB;
}

.form-input:focus {
  border-color: var(--clr-indigo);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
  background: #FDFCFF;
}

.form-input.is-valid {
  border-color: var(--clr-success);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}

.form-input.is-error {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

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

.form-hint {
  font-size: 0.8rem;
  color: var(--clr-text-light);
  line-height: 1.4;
}

.form-error {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-error);
  display: none;
  align-items: center;
  gap: 4px;
}

.form-error:not(:empty) {
  display: flex;
}

/* Prefix input */
.input-prefix-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}

.input-prefix {
  position: absolute;
  left: 0;
  top: 0; bottom: 0;
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  pointer-events: none;
  z-index: 1;
}

.input-with-prefix {
  padding-left: 32px;
}

/* Captcha */
.captcha-input {
  max-width: 160px;
}

/* Checkbox */
.checkbox-group {
  justify-content: flex-end;
  padding-bottom: 2px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text);
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--clr-border);
  border-radius: 5px;
  background: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--clr-indigo);
  border-color: var(--clr-indigo);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.checkbox-label input[type="checkbox"]:focus-visible + .checkbox-custom {
  outline: 3px solid var(--clr-indigo);
  outline-offset: 2px;
}

.checkbox-label.is-error .checkbox-custom {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

/* Submit area */
.form-submit-area {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 8px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--clr-text-light);
}

/* Spinner */
.spinner {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Success state */
.form-success {
  text-align: center;
  padding: 56px 32px;
  background: var(--clr-success-bg);
  border: 1px solid rgba(5,150,105,0.2);
  border-radius: var(--radius-xl);
}

.success-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.success-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-success);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.success-desc {
  font-size: 1rem;
  color: #065F46;
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto;
}

/* Global error */
.form-error-global {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--clr-error-bg);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: var(--radius-md);
  color: var(--clr-error);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 16px;
}

.form-error-global[hidden] { display: none; }
.form-success[hidden]      { display: none; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--clr-text);
  color: rgba(255,255,255,0.7);
  padding: clamp(28px, 4vw, 48px) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  font-size: 1rem;
}

.footer-copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}

.footer-note {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
}

.footer-note a {
  color: rgba(255,255,255,0.65);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.2);
  transition: color var(--transition);
}

.footer-note a:hover {
  color: rgba(255,255,255,0.9);
}

/* ── Responsive Tweaks ───────────────────────────────────── */
@media (max-width: 767px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .trust-badges {
    gap: 8px;
  }

  .trust-separator { display: none; }

  .trust-badges {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 10px;
  }

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

  .captcha-row {
    grid-template-columns: 1fr;
  }

  .captcha-input {
    max-width: 100%;
  }
}

@media (min-width: 768px) {
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ideas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .ideas-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Reduced Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}