/* ============================================
   Connect Smartly – Premium Design System
   ============================================ */

/* --- Variables --- */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #06b6d4;
  --secondary-dark: #0891b2;
  --accent: #10b981;
  --accent-dark: #059669;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --light: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;

  --gradient-primary: linear-gradient(135deg, #6366f1, #06b6d4);
  --gradient-primary-reverse: linear-gradient(135deg, #06b6d4, #6366f1);
  --gradient-accent: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-dark: linear-gradient(135deg, #0f172a, #1e293b);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --header-height: 76px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--dark);
  background: #fff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
svg { display: block; flex-shrink: 0; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 0.8rem 1.5rem;
  z-index: 9999;
  font-weight: 700;
  transition: top var(--transition);
}

.skip-link:focus { top: 0; }

/* --- Focus --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--dark);
}

.logo-text span { color: var(--secondary); }

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-menu a {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-menu a:hover {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.06);
}

.nav-menu a.active {
  color: var(--primary);
}

.nav-cta {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-radius: var(--radius-full) !important;
  padding: 0.5rem 1.5rem !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4) !important;
  background: var(--gradient-primary) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
  z-index: 1002;
  border-radius: var(--radius-sm);
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2.5px;
  background: var(--dark);
  margin: 6px 0;
  transition: all var(--transition);
  transform-origin: center;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Nav Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Body lock */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 100px 1.5rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 620px;
  line-height: 1.7;
  margin: 0 auto 3rem;
  text-align: center;
}

/* --- Card Glass --- */
.card-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 41, 59, 0.7) 50%, rgba(15, 23, 42, 0.9) 100%),
    url('img/hero-800.avif') center center / cover no-repeat;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.25), transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(6, 182, 212, 0.2), transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.1), transparent 40%);
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
  opacity: 0.5;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 2rem 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero h1 .gradient-text {
  -webkit-text-fill-color: transparent;
  background: linear-gradient(135deg, #818cf8, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 620px;
  margin: 0 auto 2rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.trust-badge svg {
  color: var(--secondary);
  width: 16px;
  height: 16px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

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

.hero-stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  margin-top: 0.2rem;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 52px;
  font-family: inherit;
  line-height: 1.2;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 0.85rem 2rem;
  min-height: 48px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  gap: 0.5rem;
  letter-spacing: 0.01em;
}

.btn-ghost span {
  display: inline-block;
  transition: transform var(--transition);
}

.btn-ghost:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  gap: 0.75rem;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-ghost:hover span {
  transform: translateX(4px);
}

.btn-full {
  width: 100%;
}

.btn-small {
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  min-height: 40px;
}

/* ============================================
   About Section
   ============================================ */

.about-section {
  background: var(--light);
}

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

.about-content {
  padding: 2.25rem;
}

.about-content p {
  font-size: 1.02rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-content strong {
  color: var(--dark);
  font-weight: 700;
}

.about-content .btn {
  margin-top: 0.25rem;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  margin-bottom: 0.85rem;
}

.stat-number {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ============================================
   Services Section
   ============================================ */

.services-section {
  background: #fff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: #fff;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.service-price {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.08);
  padding: 0.25rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.9rem;
  width: fit-content;
}

.service-card p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: auto;
  flex: 1;
}

.service-card .btn-ghost {
  margin-top: 1.25rem;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing-section {
  background: var(--light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.pricing-popular {
  border: 2px solid var(--primary);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.12);
}

.pricing-popular:hover {
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.3rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pricing-card-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.pricing-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  flex-shrink: 0;
}

.pricing-card-header h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
}

.pricing-amount {
  margin-bottom: 0.15rem;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.pricing-period {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-left: 0.2rem;
}

.pricing-hosting {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 0.85rem;
}

.pricing-desc {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
  padding: 0.75rem 0.85rem;
  background: var(--light);
  border-radius: var(--radius-sm);
  margin-bottom: 1.15rem;
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin: 0 0 1.25rem;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.pricing-features li svg {
  color: var(--accent);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
}

/* ============================================
   Examples Section
   ============================================ */

.examples-section {
  background: #fff;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.example-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.example-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.example-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  margin-bottom: 1.1rem;
}

.example-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.example-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: auto;
  flex: 1;
}

.example-card .btn-ghost {
  margin-top: 1.25rem;
}

/* ============================================
   FAQ Section
   ============================================ */

.faq-section {
  background: var(--light);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-md);
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  font-family: inherit;
  line-height: 1.4;
  transition: color var(--transition);
}

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

.faq-icon {
  flex-shrink: 0;
  color: var(--gray-400);
  transition: transform var(--transition), color var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.2rem;
}

.faq-answer p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
  background: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info-card {
  padding: 2rem;
}

.contact-info-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.85rem;
}

.contact-info-header p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  transition: background var(--transition);
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--gray-600);
}

.contact-detail:hover {
  background: rgba(99, 102, 241, 0.04);
}

.contact-detail-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary);
  flex-shrink: 0;
}

.contact-detail-text {
  font-weight: 500;
}

.contact-form-card {
  padding: 2rem;
}

.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 1rem;
}

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

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--dark);
}

input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  transition: all var(--transition);
  background: #fff;
  color: var(--dark);
  -webkit-appearance: none;
  appearance: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-70%) rotate(45deg);
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gray-400);
  border-bottom: 2px solid var(--gray-400);
  pointer-events: none;
}

select {
  cursor: pointer;
  padding-right: 2.5rem;
  background: #fff;
}

.form-message {
  margin-top: 0.85rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.7rem;
  border-radius: var(--radius-md);
  display: none;
}

.form-message.visible { display: block; }
.form-message.success { color: var(--accent); background: rgba(16, 185, 129, 0.08); }
.form-message.error { color: #ef4444; background: rgba(239, 68, 68, 0.08); }

/* ============================================
   WhatsApp Button
   ============================================ */

.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: whatsapp-pulse 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 40px rgba(37, 211, 102, 0.5);
  animation-play-state: paused;
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 6px 45px rgba(37, 211, 102, 0.65), 0 0 0 14px rgba(37, 211, 102, 0.06); }
}

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  color: var(--dark);
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid #fff;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(-4px);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--gradient-dark);
  color: var(--gray-300);
  padding: 4rem 1.5rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-logo {
  margin-bottom: 0.85rem;
}

.footer-logo .logo-text {
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
}

.footer-logo .logo-text span {
  color: var(--secondary);
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 0.65rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  color: var(--gray-300);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--gray-400);
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.25rem;
}

.footer-text {
  font-size: 0.82rem;
  color: var(--gray-500);
}

.footer-text a {
  color: var(--secondary);
  font-weight: 600;
}

.footer-text a:hover {
  color: var(--secondary-light, #22d3ee);
}

/* ============================================
   Animations
   ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive: Tablet
   ============================================ */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hamburger { display: block; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 340px;
    height: 100dvh;
    background: #fff;
    padding: 6rem 2rem 2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    z-index: 1000;
  }

  .nav-menu.active { right: 0; }

  .nav-menu a {
    padding: 0.9rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    justify-content: center;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-stat-divider {
    width: 60px;
    height: 1px;
  }
}

/* ============================================
   Responsive: Mobile
   ============================================ */

@media (max-width: 640px) {
  .section {
    padding: 70px 1rem;
  }

  .hero {
    min-height: 90dvh;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
  }

  .hero-trust {
    gap: 0.5rem;
  }

  .trust-badge {
    font-size: 0.78rem;
    padding: 0.4rem 0.9rem;
  }

  .trust-badge svg {
    width: 14px;
    height: 14px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

  .hero-stats {
    gap: 1.25rem;
  }

  .hero-stat-number {
    font-size: 1.3rem;
  }

  .hero-stat-label {
    font-size: 0.75rem;
  }

  .services-grid,
  .examples-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-card,
  .pricing-card {
    padding: 1.75rem 1.25rem;
  }

  .about-stats-grid {
    gap: 0.85rem;
  }

  .stat-card {
    padding: 1.25rem 0.85rem;
  }

  .stat-number {
    font-size: 1.4rem;
  }

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

  .contact-info-card,
  .contact-form-card {
    padding: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }

  .whatsapp-btn {
    width: 52px;
    height: 52px;
    bottom: 16px;
    right: 16px;
  }

  .whatsapp-tooltip { display: none; }

  h2 {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 0.92rem;
    margin-bottom: 2rem;
  }

  .pricing-price {
    font-size: 1.85rem;
  }
}

/* ============================================
   Responsive: Very Small Screens
   ============================================ */

@media (max-width: 360px) {
  .nav-container {
    padding: 0 0.8rem;
  }

  .nav-menu {
    max-width: 100%;
    padding: 5rem 1.2rem 1.5rem;
  }

  .logo {
    font-size: 1.2rem;
    gap: 0.5rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .trust-badge {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.82rem;
    min-height: 44px;
  }

  .service-card,
  .pricing-card {
    padding: 1.4rem 1rem;
  }

  .service-icon {
    width: 44px;
    height: 44px;
  }

  .service-icon svg {
    width: 22px;
    height: 22px;
  }

  .pricing-price {
    font-size: 1.5rem;
  }

  .pricing-card-header h3 {
    font-size: 0.95rem;
  }

  .pricing-features li {
    font-size: 0.78rem;
  }

  .section {
    padding: 50px 0.8rem;
  }

  .stat-card {
    padding: 1rem 0.7rem;
  }

  .faq-question {
    font-size: 0.88rem;
    padding: 0.9rem 1.1rem;
  }

  .faq-answer p {
    font-size: 0.85rem;
  }

  .faq-item.active .faq-answer {
    padding: 0 1.1rem 0.9rem;
  }

  .site-footer {
    padding: 2.5rem 0.8rem 1.25rem;
  }
}