/* ============================================
   ALONIVO — cPanel uyumlu statik site
   ============================================ */

:root {
  --navy: #1a3a6b;
  --navy-light: #2a5298;
  --teal: #00c9b7;
  --teal-glow: rgba(0, 201, 183, 0.35);
  --cyan: #00e5d4;
  --bg: #050508;
  --bg-card: #0d0d14;
  --bg-elevated: #12121c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaef;
  --text-muted: #8b92a5;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Beyaz logo — şeffaf PNG (alonivoai temizlenmiş sürüm) */
.logo--white {
  filter: drop-shadow(0 0 12px rgba(0, 201, 183, 0.2));
}

/* ============================================
   SITE
   ============================================ */

.site--hidden {
  opacity: 0;
  visibility: hidden;
}

.site--visible {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--teal);
  color: #000;
}

.btn--primary:hover {
  background: var(--cyan);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px var(--teal-glow);
}

.btn--ghost {
  color: var(--text-muted);
}

.btn--ghost:hover { color: var(--white); }

.btn--outline {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn--lg { padding: 14px 28px; font-size: 1rem; }
.btn--block { width: 100%; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--border);
  background: rgba(5, 5, 8, 0.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.header__logo img { height: 36px; width: auto; }

.nav {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

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

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  overflow: hidden;
}

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

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: rgba(0, 201, 183, 0.08);
  top: -200px;
  right: -100px;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(26, 58, 107, 0.2);
  bottom: -100px;
  left: -100px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero__title em {
  font-style: italic;
  color: var(--teal);
  font-weight: 600;
}

.hero__desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__tags span {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.hero__tags span::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.7rem;
}

/* Demo Card */
.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.demo-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.demo-card__live {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.7rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__demo { position: relative; }

.demo-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--teal);
}

.demo-card__header strong { display: block; font-size: 0.95rem; }
.demo-card__header span { font-size: 0.8rem; color: var(--text-muted); }

.demo-card__player {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.demo-card__play {
  width: 48px;
  height: 48px;
  background: var(--teal);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.demo-card__play:hover { transform: scale(1.05); }
.demo-card__play.playing { background: var(--cyan); }

.demo-card__icon-pause { display: none; }
.demo-card__play.playing .demo-card__icon-play { display: none; }
.demo-card__play.playing .demo-card__icon-pause { display: block; }

.demo-card__waveform {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 3px;
  height: 40px;
}

.demo-card__waveform span {
  flex: 1;
  background: var(--teal);
  border-radius: 2px;
  height: 20%;
  transition: height 0.15s ease;
}

.demo-card__waveform.playing span {
  animation: waveBar 0.8s ease infinite alternate;
}

.demo-card__waveform.playing span:nth-child(odd) { animation-delay: 0.1s; }
.demo-card__waveform.playing span:nth-child(3n) { animation-delay: 0.2s; }
.demo-card__waveform.playing span:nth-child(4n) { animation-delay: 0.3s; }

@keyframes waveBar {
  from { height: 15%; }
  to { height: 90%; }
}

.demo-card__time {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
}

.demo-card__call {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.demo-card__call-time { color: var(--text-muted); font-variant-numeric: tabular-nums; }

.demo-card__note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 12px 0;
}

.demo-card__events {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-card__event {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(0, 201, 183, 0.06);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.demo-card__event-time {
  color: var(--teal);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.demo-card__disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 16px;
  opacity: 0.7;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section--dark {
  background: var(--bg-card);
}

.section__eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--teal);
  margin-bottom: 16px;
  font-weight: 600;
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.section__title em {
  font-style: italic;
  color: var(--teal);
  font-weight: 600;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 32px;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: rgba(0, 201, 183, 0.3);
  transform: translateY(-4px);
}

.feature-card__icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: var(--teal);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Channels */
.channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.channel-card {
  padding: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.channel-card__label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-live {
  color: var(--teal);
  font-weight: 600;
}

.badge-live--wa { color: #25d366; }

.channel-card h3 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin-bottom: 14px;
}

.channel-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.channel-card__list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 6px 0 6px 20px;
  position: relative;
}

.channel-card__list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: bold;
}

.channel-card__preview {
  margin-top: 28px;
  padding: 20px;
  background: var(--bg);
  border-radius: var(--radius);
}

.phone-mock {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-mock__icon { font-size: 1.5rem; }

.phone-mock__bubble {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-radius: 20px;
  font-size: 0.9rem;
  font-style: italic;
}

.phone-mock__badge {
  font-size: 0.8rem;
  color: var(--teal);
  font-weight: 600;
}

.wa-mock { display: flex; flex-direction: column; gap: 10px; }

.wa-mock__msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
}

.wa-mock__msg--in {
  background: var(--bg-elevated);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.wa-mock__msg--out {
  background: #0d4f3c;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(0, 201, 183, 0.1);
  color: var(--teal);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Flow */
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 48px;
}

.flow__item {
  padding: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.flow__time {
  display: block;
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.flow__item strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 6px;
}

.flow__item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.flow__arrow {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Sectors */
.sectors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 32px 0;
}

.sector-tab {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
}

.sector-tab:hover,
.sector-tab.active {
  color: var(--white);
  border-color: var(--teal);
  background: rgba(0, 201, 183, 0.08);
}

.sector-panel {
  display: none;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.sector-panel.active { display: block; }

.sector-panel__label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--teal);
  font-weight: 600;
}

.sector-panel h3 {
  font-size: 1.8rem;
  margin: 16px 0;
  line-height: 1.3;
}

.sector-panel > p {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 28px;
}

.sector-panel__summary {
  padding: 24px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border-left: 3px solid var(--teal);
}

.sector-panel__summary-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.sector-panel__summary blockquote {
  font-size: 1rem;
  font-style: italic;
  margin: 12px 0;
  color: var(--text);
}

.sector-panel__summary-meta {
  font-size: 0.8rem;
  color: var(--teal);
}

/* Trust */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.trust-badges span {
  padding: 10px 18px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: border-color var(--transition);
}

.pricing-card:hover { border-color: rgba(0, 201, 183, 0.25); }

.pricing-card--featured {
  border-color: var(--teal);
  background: linear-gradient(180deg, rgba(0, 201, 183, 0.06) 0%, var(--bg-card) 40%);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card h3 { font-size: 1.4rem; margin-bottom: 4px; }

.pricing-card__sub {
  font-size: 0.95rem;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-card__minutes {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-card__minutes strong {
  font-size: 2rem;
  color: var(--white);
  display: block;
  line-height: 1.2;
}

.pricing-card__price {
  margin-bottom: 8px;
}

.pricing-card__price strong {
  font-size: 1.5rem;
  color: var(--teal);
  letter-spacing: 0.02em;
}

.pricing-card__overage {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-card__features {
  margin-bottom: 28px;
}

.pricing-card__features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 8px 0 8px 22px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.75rem;
}

.pricing-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* FAQ */
.faq {
  margin-top: 40px;
  max-width: 800px;
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item summary {
  padding: 20px 0;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--teal);
  transition: transform var(--transition);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  padding: 0 0 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Contact */
.contact-form {
  max-width: 700px;
  margin-top: 40px;
}

.contact-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-form__full { grid-column: 1 / -1; }

.contact-form input {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.contact-form input::placeholder { color: var(--text-muted); }
.contact-form input:focus {
  outline: none;
  border-color: var(--teal);
}

.contact-form__note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Footer */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}

.footer__brand img { margin-bottom: 16px; height: 32px; width: auto; }
.footer__brand p { font-size: 0.95rem; color: var(--text-muted); }

.footer__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__contact a:hover { color: var(--teal); }

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__company {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.footer__payments {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 24px 32px;
  border-top: 1px solid var(--border);
  margin-top: 0;
}

.footer__payments-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer__cards {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pay-icon {
  display: block;
  width: 48px;
  height: 32px;
  border-radius: 4px;
  overflow: hidden;
  opacity: 0.85;
  transition: opacity var(--transition), transform var(--transition);
}

.pay-icon:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.pay-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Platform grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.platform-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.platform-card:hover {
  border-color: rgba(0, 201, 183, 0.3);
  transform: translateY(-3px);
}

.platform-card__icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.platform-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.platform-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .platform-grid { grid-template-columns: 1fr; }
  .footer__payments { justify-content: center; text-align: center; }
  .footer__cards { justify-content: center; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .features { grid-template-columns: 1fr; }
  .channels { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .flow__arrow { padding: 8px 0; }
  .pricing { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav, .header__actions { display: none; }
  .header__burger { display: flex; }

  .nav--open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
    z-index: 99;
  }

  .header__actions--open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: calc(var(--header-h) + 200px);
    left: 24px;
    right: 24px;
    z-index: 99;
  }

  .hero { padding-bottom: 60px; }
  .section { padding: 64px 0; }
  .contact-form__grid { grid-template-columns: 1fr; }
  .sector-panel { padding: 24px; }
  .sector-panel h3 { font-size: 1.4rem; }
}