/* ============================================================
   RESPONSIVE STYLES - Mobile First Breakpoints
   ============================================================ */

/* Large desktop down */
@media (max-width: 1100px) {
  :root {
    --section-py: 96px;
  }

  .hero-container {
    gap: 40px;
  }

  .hero-visual {
    height: 420px;
  }
}

/* Tablet */
@media (max-width: 960px) {
  :root {
    --section-py: 80px;
  }

  .container {
    padding: 0 24px;
  }

  .floating-nav {
    width: 92% !important;
    padding: 12px 20px !important;
  }

  .floating-nav.scrolled {
    width: 92% !important;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* Mobile menu drop */
  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 229, 160, 0.2);
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    gap: 8px;
    animation: dropdown 0.3s var(--ease-smooth);
  }

  @keyframes dropdown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-links.is-open li {
    width: 100%;
  }

  .nav-links.is-open a {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 1rem;
    color: var(--color-text);
    transition: background 0.2s ease;
  }

  .nav-links.is-open a:hover {
    background: rgba(0, 229, 160, 0.08);
    color: var(--color-accent);
  }

  .nav-links.is-open a::after {
    display: none;
  }

  .nav-links.is-open .mobile-cta {
    margin-top: 8px;
    padding: 14px;
    background: var(--gradient-accent);
    color: var(--color-primary);
    text-align: center;
    border-radius: 12px;
    font-weight: 600;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 130px;
    padding-bottom: 60px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content {
    max-width: 640px;
    margin: 0 auto;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-trust {
    align-items: center;
  }

  .hero-visual {
    height: 380px;
    order: -1;
  }

  .scroll-indicator {
    display: none;
  }

  /* Sections */
  .section-head {
    margin-bottom: 56px;
  }

  /* Services */
  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Case Studies */
  .case-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Timeline → vertical */
  .timeline {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 480px;
    margin: 0 auto 64px;
  }

  .timeline-line {
    top: 12%;
    bottom: 12%;
    left: 35px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .timeline-line-progress {
    width: 100%;
    height: 0;
  }

  .timeline-step {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 20px;
    text-align: left;
    align-items: center;
  }

  .timeline-icon {
    margin: 0;
  }

  .timeline-step h3,
  .timeline-step p {
    text-align: left;
  }

  .timeline-step p {
    max-width: 100%;
    margin: 0;
  }

  .timeline-num {
    grid-column: 2;
    margin-bottom: 4px;
  }

  .timeline-icon {
    grid-row: 1 / 4;
    grid-column: 1;
  }

  .timeline-step h3 {
    grid-column: 2;
  }

  .timeline-step p {
    grid-column: 2;
  }

  /* Founder */
  .founder {
    padding: 40px 28px;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-form {
    padding: 28px;
  }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .footer-brand {
    flex-direction: column;
    text-align: center;
  }

  .footer-links,
  .footer-copy {
    text-align: center;
  }
}

/* Small tablet / large mobile */
@media (max-width: 720px) {
  :root {
    --section-py: 72px;
  }

  .hero-headline {
    font-size: 2.25rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .hero-visual {
    height: 320px;
  }

  .orbit-core {
    width: 78px;
    height: 78px;
  }

  .orbit-core i {
    width: 36px;
    height: 36px;
  }

  .float-card {
    padding: 10px 14px;
    font-size: 0.85rem;
  }

  .float-card i {
    width: 18px;
    height: 18px;
  }

  .fc-label {
    font-size: 0.8rem;
  }

  .fc-meta {
    font-size: 0.7rem;
  }

  .float-card-1 {
    top: 4%;
    left: 0;
  }
  .float-card-2 {
    top: 48%;
    right: 0;
  }
  .float-card-3 {
    bottom: 6%;
    left: 12%;
  }

  /* Section headings */
  .section-title {
    font-size: 1.75rem;
  }

  .section-sub {
    font-size: 1rem;
  }

  /* Form */
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-row .form-field {
    margin-bottom: 20px;
  }

  /* Cookie */
  .cookie-banner {
    bottom: 16px;
    left: 16px;
    right: 16px;
  }

  .cookie-inner {
    padding: 18px 20px;
    gap: 16px;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-actions .btn {
    flex: 1;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  .logo-desktop {
    display: none;
  }

  .logo-mobile {
    display: block;
    height: 32px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-headline {
    font-size: 1.95rem;
  }

  .service-card,
  .case-card {
    padding: 28px 24px;
  }

  .service-card h3 {
    font-size: 1.3rem;
  }

  .case-card h3 {
    font-size: 1.2rem;
  }

  .cases-cta {
    padding: 36px 24px;
  }

  .cases-cta p {
    font-size: 1.2rem;
  }

  .founder {
    padding: 32px 22px;
  }

  .founder h3 {
    font-size: 1.4rem;
  }

  .contact-form {
    padding: 24px 20px;
  }
}