/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --ocean:         #0047AB;
  --ocean-dark:    #003380;
  --ocean-mid:     #4D8FE0;
  --ocean-light:   #E8F2FF;
  --ocean-abyss:   #0A1628;

  --purple:        #9B30FF;
  --purple-dark:   #7B1FD4;
  --purple-mid:    #C07AFF;
  --purple-light:  #F3E8FF;

  /* Legacy aliases so existing references still resolve */
  --indigo:        #0047AB;
  --indigo-dark:   #003380;
  --indigo-mid:    #4D8FE0;
  --indigo-light:  #E8F2FF;

  --green:         #059669;
  --green-light:   #d1fae5;
  --amber:         #d97706;
  --amber-light:   #fef3c7;
  --teal:          #0d9488;
  --teal-light:    #ccfbf1;

  --gray-50:       #f9fafb;
  --gray-100:      #f3f4f6;
  --gray-200:      #e5e7eb;
  --gray-300:      #d1d5db;
  --gray-400:      #9ca3af;
  --gray-500:      #6b7280;
  --gray-600:      #4b5563;
  --gray-700:      #374151;
  --gray-900:      #111827;
  --white:         #ffffff;

  --radius:        0.625rem;
  --radius-lg:     1rem;
  --radius-xl:     1.5rem;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);
  --shadow-ocean:  0 8px 32px rgba(0,71,171,0.25);
  --shadow-purple: 0 8px 32px rgba(155,48,255,0.25);
  --shadow-indigo: 0 8px 32px rgba(0,71,171,0.25);

  --bg:            var(--white);
  --surface:       var(--gray-50);
  --border:        var(--gray-200);
  --text-primary:  var(--gray-900);
  --text-secondary:var(--gray-600);
  --text-muted:    var(--gray-400);
}

/* ─── Dark Mode ──────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:            #0A1628;
  --surface:       #0D1F3C;
  --border:        #1A3050;
  --text-primary:  #E8F2FF;
  --text-secondary:#8AAED4;
  --text-muted:    #4D7099;
  --indigo-light:  rgba(0,71,171,0.18);
  --ocean-light:   rgba(0,71,171,0.18);
  --purple-light:  rgba(155,48,255,0.15);
  --gray-50:       #0D1F3C;
  --gray-100:      #0D1F3C;
  --gray-200:      #1A3050;
  --gray-900:      #E8F2FF;
  --white:         #0A1628;
}

[data-theme="dark"] .hero {
  background: linear-gradient(160deg, #0D1F3C 0%, #0A1628 60%);
}

[data-theme="dark"] .hero::before {
  opacity: 0.15;
}

[data-theme="dark"] nav {
  background: rgba(10,22,40,0.94);
  border-bottom-color: #1A3050;
}

[data-theme="dark"] .product-card,
[data-theme="dark"] .service-card,
[data-theme="dark"] .contact-box {
  background: #0D1F3C;
  border-color: #1A3050;
}

[data-theme="dark"] .stat-bar {
  background: #0D1F3C;
  border-color: #1A3050;
}

[data-theme="dark"] .about-section {
  background: #0A1628;
}

[data-theme="dark"] .services-section {
  background: #070F1C;
}

[data-theme="dark"] .footer {
  background: #050C16;
  border-top-color: #0D1F3C;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #070F1C;
  border-color: #1A3050;
  color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
  border-color: var(--ocean);
  box-shadow: 0 0 0 3px rgba(0,71,171,0.15);
}

[data-theme="dark"] .skill-tag {
  background: #0D1F3C;
  border-color: #1A3050;
  color: var(--text-secondary);
}

[data-theme="dark"] .btn-secondary {
  background: #0D1F3C;
  border-color: #1A3050;
  color: var(--text-primary);
}

[data-theme="dark"] .comparison-table th,
[data-theme="dark"] .comparison-table td {
  border-color: #1A3050;
}

[data-theme="dark"] .hamburger span {
  background: var(--text-primary);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

/* ─── Nav ────────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.2s, border-color 0.2s;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo img {
  width: 32px;
  height: 32px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--text-primary); }

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.1rem;
  background: var(--indigo);
  color: #fff !important;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.15s, transform 0.1s;
}

.btn-nav:hover { background: var(--indigo-dark); transform: translateY(-1px); }

.dark-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  padding: 0.35rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.dark-toggle:hover { color: var(--text-primary); background: var(--gray-100); }

.icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ─── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  padding: 7rem 0 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #EAF1FD 0%, #F6F9FF 50%, #fff 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, #BEDAF7 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.55;
  pointer-events: none;
}

.hero > .container { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.9rem;
  background: var(--ocean-light);
  color: var(--ocean);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.75rem;
  border: 1px solid #BEDAF7;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  max-width: 820px;
  margin: 0 auto 1.25rem;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--ocean) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--indigo);
  color: #fff;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 8px 24px rgba(0,71,171,0.28);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--ocean-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,71,171,0.38);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--white);
  color: var(--text-secondary);
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  transition: border-color 0.15s, color 0.15s, transform 0.1s;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--indigo-mid);
  color: var(--indigo);
  transform: translateY(-1px);
}

/* ─── Section Labels ─────────────────────────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ─── Stat Bar ───────────────────────────────────────────────────────────────── */
.stat-bar {
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.stat-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Products ───────────────────────────────────────────────────────────────── */
.products-section .section-header {
  margin-bottom: 3rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.product-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.product-icon.teal   { background: var(--teal-light); }
.product-icon.indigo { background: var(--indigo-light); }
.product-icon.amber  { background: var(--amber-light); }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.status-badge.live {
  background: var(--green-light);
  color: var(--green);
}

.status-badge.soon {
  background: var(--amber-light);
  color: var(--amber);
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-badge.live .dot {
  animation: pulse-dot 2s infinite;
}

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

.product-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.product-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.product-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--indigo);
  margin-top: 0.5rem;
  transition: gap 0.15s;
}

.product-link:hover { gap: 0.65rem; }

.product-link.disabled {
  color: var(--text-muted);
  cursor: default;
  pointer-events: none;
}

/* ─── Services ───────────────────────────────────────────────────────────────── */
.services-section {
  background: var(--gray-50);
}

.services-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.services-intro { position: sticky; top: 5rem; }

.services-intro .section-sub { margin-bottom: 2rem; }

.services-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--indigo-mid);
}

.service-card-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.service-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--indigo-light);
  border-radius: 10px;
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.service-includes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.include-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: var(--indigo-light);
  color: var(--indigo);
}

/* ─── About / Founder ─────────────────────────────────────────────────────────── */
.about-section { background: var(--bg); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5rem;
  align-items: start;
}

.about-text .section-sub { margin-bottom: 1.25rem; }

.about-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about-text p:last-of-type { margin-bottom: 1.75rem; }

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--text-secondary);
  border: 1px solid var(--gray-200);
}

.about-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  min-width: 220px;
}

.founder-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ocean) 0%, var(--purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,71,171,0.3);
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.founder-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.founder-stat {
  text-align: center;
  padding: 1rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.founder-stat .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--indigo);
  line-height: 1;
  margin-bottom: 0.2rem;
}

.founder-stat .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--gray-100);
  color: var(--text-secondary);
  border: 1px solid var(--gray-200);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.social-link:hover {
  background: var(--indigo-light);
  color: var(--indigo);
  border-color: var(--indigo-mid);
}

/* ─── Contact ─────────────────────────────────────────────────────────────────── */
.contact-section { background: var(--gray-50); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro .section-sub { margin-bottom: 1.5rem; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-info-item .ci-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--indigo-light);
  color: var(--indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group label .optional {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.3rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

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

.form-submit { margin-top: 1.25rem; }

.btn-submit {
  width: 100%;
  padding: 0.9rem;
  background: var(--ocean);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 8px 24px rgba(0,71,171,0.28);
}

.btn-submit:hover:not(:disabled) {
  background: var(--ocean-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,71,171,0.38);
}

.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
}

.form-success, .form-error {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 1rem;
  text-align: center;
}

.form-success {
  background: var(--green-light);
  color: var(--green);
  border: 1px solid #a7f3d0;
}

.form-error {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

[data-theme="dark"] .footer { background: #070d1a; }

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  color: #f9fafb;
  margin-bottom: 0.6rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--gray-400);
  max-width: 280px;
  line-height: 1.5;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: #9ca3af;
  margin-bottom: 0.6rem;
  transition: color 0.15s;
}

.footer-col a:hover { color: #f9fafb; }

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #1f2937;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--gray-500);
  transition: color 0.15s;
}

.footer-legal a:hover { color: #f9fafb; }

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

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .services-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .services-intro { position: static; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-side {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    min-width: unset;
  }

  .founder-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .founder-stat { min-width: 100px; }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 680px) {
  section { padding: 3.5rem 0; }

  .hero { padding: 5rem 0 4rem; }

  .nav-links { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    gap: 1.25rem;
    z-index: 99;
  }

  .hamburger { display: flex; }

  .stat-bar-inner { gap: 2rem; }

  .products-grid { grid-template-columns: 1fr; }

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

  .footer-links-group { grid-template-columns: 1fr 1fr; gap: 1.5rem; }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .footer-links-group { grid-template-columns: 1fr; }
}