/* ============================================
   Here.bg – Premium Domain Landing Page
   styles.css
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --color-primary: #4F46E5;
  --color-primary-dark: #3730A3;
  --color-primary-light: #EEF2FF;
  --color-primary-mid: #818CF8;
  --color-accent: #06B6D4;
  --color-success: #22C55E;
  --color-error: #EF4444;
  --color-warning: #F59E0B;

  --color-bg: #FAFAFA;
  --color-bg-section: #F8F9FF;
  --color-bg-alt: #FFFFFF;
  --color-surface: #FFFFFF;

  --color-text: #111827;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;

  --color-border: #E5E7EB;
  --color-border-focus: #4F46E5;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(79,70,229,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 24px 64px rgba(79,70,229,0.14), 0 8px 24px rgba(0,0,0,0.08);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  --transition: 200ms ease;
  --transition-slow: 350ms ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  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; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-border); }
::-webkit-scrollbar-thumb { background: var(--color-primary-mid); border-radius: var(--radius-full); }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366F1 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,0.3);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  box-shadow: 0 6px 24px rgba(79,70,229,0.4);
  transform: translateY(-1px);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--ghost:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.btn--lg { padding: 16px 32px; font-size: var(--font-size-lg); }

.btn--full { width: 100%; }

.btn__loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  display: none;
  animation: spin 0.6s linear infinite;
}

.btn.is-loading .btn__text { display: none; }
.btn.is-loading .btn__loader { display: block; }

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

/* ---- Section Shared ---- */
.section {
  padding: 96px 0;
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section__title--left { text-align: left; }

.section__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- HEADER ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header.is-scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* ---- Logo ---- */
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.logo__here { color: var(--color-text); }
.logo__dot { color: var(--color-primary); }
.logo__bg {
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0 6px;
  border-radius: 6px;
  margin-left: 1px;
}

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

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

.nav__link--cta {
  background: linear-gradient(135deg, var(--color-primary), #6366F1);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(79,70,229,0.25);
  transition: all var(--transition);
}

.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(79,70,229,0.35);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav__burger:hover { background: var(--color-primary-light); }

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile Menu ---- */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--color-border);
  gap: 4px;
  background: rgba(250,250,250,0.98);
}

.mobile-menu.is-open { display: flex; }

.mobile-menu__link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.mobile-menu__link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  padding: 120px 0 96px;
  background: linear-gradient(160deg, #FAFBFF 0%, #F0F4FF 40%, #FAFAFA 100%);
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.shape--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #C7D2FE 0%, transparent 70%);
  top: -200px;
  right: -150px;
}

.shape--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #BAE6FD 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

.shape--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #DDD6FE 0%, transparent 70%);
  top: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  animation: fadeInDown 0.6s ease both;
}

.hero__title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero__domain {
  display: block;
  background: linear-gradient(135deg, var(--color-primary) 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin-top: 8px;
}

.hero__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 620px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.6s 0.4s ease both;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ---- ADVANTAGES ---- */
.advantages {
  background: var(--color-bg);
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.advantage-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.advantage-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.advantage-card:hover::before { opacity: 1; }

.advantage-card--featured {
  background: linear-gradient(160deg, #F8F9FF 0%, #EEF2FF 100%);
  border-color: var(--color-primary-mid);
  box-shadow: var(--shadow-md);
}

.advantage-card--featured::before { opacity: 1; }
.advantage-card--featured:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.advantage-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.advantage-card__icon { margin-bottom: 24px; }

.advantage-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.3;
}

.advantage-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.advantage-card__text strong { color: var(--color-primary); }

.advantage-card__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.advantage-card__list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}

.advantage-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* ---- PREMIUM INFO ---- */
.premium-info {
  background: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.premium-info__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.premium-info__text p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.premium-info__text strong { color: var(--color-text); }

.premium-info__text .btn { margin-top: 12px; }

.premium-info__visual { display: flex; justify-content: center; }

/* Domain Display Widget */
.domain-display {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--color-border);
}

.domain-display__browser {
  background: #F3F4F6;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
}

.domain-display__dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.domain-display__dots span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #D1D5DB;
}

.domain-display__dots span:nth-child(1) { background: #FC8181; }
.domain-display__dots span:nth-child(2) { background: #F6AD55; }
.domain-display__dots span:nth-child(3) { background: #68D391; }

.domain-display__bar {
  flex: 1;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.domain-display__url {
  color: var(--color-text);
  font-weight: 500;
}

.domain-display__body {
  padding: 40px;
  text-align: center;
}

.domain-display__tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.domain-display__name {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.06em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 16px;
}

.domain-display__name span { color: var(--color-primary); }

.domain-display__price {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-success);
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-full);
}

/* ---- IDEAS ---- */
.ideas {
  background: var(--color-bg);
}

.ideas__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.idea-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.idea-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-mid);
}

.idea-card__number {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--color-primary-light);
  letter-spacing: -0.06em;
  line-height: 1;
}

.idea-card__icon {
  font-size: 2.25rem;
  margin-bottom: 16px;
  line-height: 1;
}

.idea-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.idea-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.idea-card__tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- CONTACT ---- */
.contact {
  background: linear-gradient(160deg, #F8F9FF 0%, #FAFAFA 100%);
  border-top: 1px solid var(--color-border);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact__detail-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.contact__detail div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact__detail strong {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.contact__detail span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ---- Contact Form ---- */
.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  box-shadow: var(--shadow-lg);
}

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

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

.form-group:last-child { margin-bottom: 0; }

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label span {
  color: var(--color-error);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

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

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-primary-mid);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.08);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.08);
}

.form-input.is-valid,
.form-textarea.is-valid {
  border-color: var(--color-success);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  font-weight: 500;
  min-height: 16px;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Input with prefix */
.input-prefix-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 14px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-base);
  pointer-events: none;
}

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

/* Number input arrows */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
input[type=number] { -moz-appearance: textfield; }

/* Checkbox */
.form-group--checkbox { margin-top: 8px; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-bg);
  transition: all var(--transition);
  position: relative;
  display: block;
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-input:focus-visible + .checkbox-custom {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.checkbox-label:hover .checkbox-custom { border-color: var(--color-primary); }

.checkbox-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* Captcha */
.form-group--captcha { margin-top: 4px; }

.captcha-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.captcha-question {
  flex: 1;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
  min-width: 140px;
}

.captcha-input {
  width: 110px;
  flex-shrink: 0;
}

.captcha-refresh {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  cursor: pointer;
}

.captcha-refresh:hover { background: var(--color-primary-light); border-color: var(--color-primary); }

/* Form submit area */
.form-submit {
  margin-top: 28px;
}

/* Success / Error messages */
.form-success,
.form-error-msg {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.form-success {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
}

.form-success div strong { color: #166534; }
.form-success div p { color: #15803D; font-size: var(--font-size-sm); margin-top: 4px; }

.form-error-msg {
  background: #FEF2F2;
  border: 1px solid #FECACA;
}

.form-error-msg div strong { color: #991B1B; }
.form-error-msg div p { color: #B91C1C; font-size: var(--font-size-sm); margin-top: 4px; }

[hidden] { display: none !important; }

/* ---- FOOTER ---- */
.footer {
  background: var(--color-text);
  color: #fff;
  padding-top: 56px;
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer .logo__here { color: #fff; }
.footer .logo__dot { color: var(--color-primary-mid); }
.footer .logo__bg {
  color: var(--color-primary-mid);
  background: rgba(79,70,229,0.25);
}

.footer__brand p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
  line-height: 1.7;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__links a:hover { color: #fff; }

.footer__bottom {
  padding: 20px 0;
}

.footer__bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
  text-align: center;
  line-height: 1.7;
}

/* ---- Animations ---- */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ---- Intersection Observer Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .ideas__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .advantages__grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
  .premium-info__inner { grid-template-columns: 1fr; gap: 48px; }
  .premium-info__visual { order: -1; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .section__title { font-size: var(--font-size-3xl); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav { display: none; }
  .nav__burger { display: flex; }
  .ideas__grid { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 72px; min-height: auto; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__stats { gap: 20px; }
  .footer__inner { flex-direction: column; gap: 28px; }
}

@media (max-width: 520px) {
  .ideas__grid { grid-template-columns: 1fr; }
  .hero__stats { flex-wrap: wrap; }
  .section__title { font-size: var(--font-size-2xl); }
  .captcha-wrap { flex-wrap: wrap; }
  .captcha-question { min-width: unset; flex: 1 1 100%; }
}

/* ---- Print ---- */
@media print {
  .header, .nav__burger, .mobile-menu { display: none; }
  .hero { min-height: auto; padding: 40px 0; }
}