/* ============================================
   ARVINI.NET - Landing Page Styles
   Inspired by comme.asia design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Be+Vietnam+Pro:wght@600;700;800;900&display=swap');

/* === CSS Variables === */
:root {
  --primary: #0F4CDB;
  --primary-dark: #0B3AA7;
  --primary-light: #E6EEFF;
  --secondary: #0EA5E9;
  --dark: #0B1220;
  --text: #26324B;
  --text-light: #66758F;
  --bg: #F3F7FF;
  --bg-alt: #FFFFFF;
  --card-bg: #FFFFFF;
  --card-border: rgba(15, 76, 219, 0.14);
  --shadow: 0 10px 30px rgba(10, 34, 88, 0.07);
  --shadow-lg: 0 24px 60px rgba(10, 34, 88, 0.16);
  --radius: 18px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: clip; }
body {
  font-family: 'Manrope', 'Segoe UI', Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, rgba(15, 76, 219, 0.12), transparent 38%),
    radial-gradient(circle at 90% 0%, rgba(14, 165, 233, 0.12), transparent 34%),
    var(--bg);
  line-height: 1.7;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
section { scroll-margin-top: 88px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* === Section Labels === */
.section-label {
  display: inline-flex; align-items: center; gap: 0;
  color: var(--primary); font-weight: 700; font-size: 0.85rem;
  letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before {
  display: none;
}
.section-heading {
  font-family: 'Be Vietnam Pro', 'Manrope', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800; color: var(--dark);
  line-height: 1.3; margin-bottom: 48px;
  text-shadow:
    0 0 1px rgba(255, 255, 255, 0.6),
    0 0 16px rgba(15, 76, 219, 0.14);
}
.section-center { text-align: center; }

/* === HEADER / NAVBAR === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  border-bottom: 1px solid rgba(11, 18, 32, 0.06);
  transition: var(--transition);
}
.navbar::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  z-index: -1;
}
.navbar.scrolled { box-shadow: 0 8px 30px rgba(11, 18, 32, 0.12); }
.navbar .container {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.45rem; font-weight: 800; color: var(--dark);
  font-family: 'Be Vietnam Pro', 'Manrope', sans-serif;
}
.nav-brand .brand-logo {
  width: auto;
  height: 44px;
  object-fit: contain;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.92rem; font-weight: 500; color: var(--text);
  position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ""; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover { color: var(--primary); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switch {
  display: flex; align-items: center; gap: 4px;
  background: var(--primary-light); border-radius: 24px;
  padding: 4px;
}
.lang-btn {
  padding: 6px 14px; border-radius: 20px; font-size: 0.8rem;
  font-weight: 600; background: transparent; color: var(--text);
  transition: var(--transition);
}
.lang-btn.active {
  background: var(--primary); color: #fff;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
}

/* Mobile Menu */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; position: relative; z-index: 1002; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); transition: var(--transition); border-radius: 2px; }

/* === HERO SECTION === */
.hero {
  padding: 140px 0 80px;
  background:
    radial-gradient(circle at 18% 6%, rgba(35, 91, 255, 0.17), transparent 34%),
    radial-gradient(circle at 90% 4%, rgba(14, 165, 233, 0.14), transparent 30%),
    linear-gradient(180deg, #F8FBFF 0%, #ECF3FF 100%);
  position: relative; overflow: hidden;
  min-height: 85vh; display: flex; align-items: center;
}
.hero::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg));
}
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content { position: relative; z-index: 2; }
.hero-subtitle {
  color: var(--primary); font-weight: 700;
  font-size: 1.1rem; margin-bottom: 12px;
  letter-spacing: 1px;
  text-shadow:
    0 0 1px rgba(255, 255, 255, 0.9),
    0 0 18px rgba(15, 76, 219, 0.36);
}
.hero-title {
  font-family: 'Be Vietnam Pro', 'Manrope', sans-serif;
  font-size: clamp(1.95rem, 3.4vw, 2.7rem);
  font-weight: 900; line-height: 1.16;
  color: var(--dark); margin-bottom: 20px;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.98),
    0 0 24px rgba(255, 255, 255, 0.62),
    0 0 42px rgba(255, 255, 255, 0.38);
}
.hero-title span {
  color: var(--primary);
  display: block;
  text-shadow:
    0 0 3px rgba(255, 255, 255, 0.98),
    0 0 26px rgba(255, 255, 255, 0.72),
    0 0 38px rgba(255, 255, 255, 0.38);
}
.hero-title span:last-child {
  white-space: nowrap;
}
.hero-desc {
  font-size: 1rem; color: #4A5D7C;
  max-width: 500px; margin-bottom: 32px; line-height: 1.8;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.35);
}
.hero-divider {
  width: 60px; height: 3px; background: var(--primary);
  margin-bottom: 20px; border-radius: 2px;
}
.hero-bullets { margin-bottom: 36px; }
.hero-bullets li {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px; font-size: 0.95rem;
  font-weight: 500; color: var(--text);
}
.hero-bullets li::before {
  content: "\2713"; color: var(--primary); font-size: 0.65rem;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, #235BFF 0%, #0F4CDB 100%);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  border-radius: 10px; transition: var(--transition);
  box-shadow: 0 10px 26px rgba(15, 76, 219, 0.32);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #144ADB 0%, #0B3AA7 100%);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 76, 219, 0.4);
}
.btn-primary .arrow { font-size: 1.1rem; transition: var(--transition); }
.btn-primary:hover .arrow { transform: translateX(4px); }

.hero-visual { position: relative; z-index: 1; }
.hero-visual img {
  width: 100%; max-width: 550px; margin: 0 auto;
  animation: heroFloat 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.1));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* === SERVICES SECTION === */
.services {
  padding: 100px 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(15, 76, 219, 0.1), transparent 34%),
    radial-gradient(circle at 86% 8%, rgba(14, 165, 233, 0.08), transparent 28%),
    linear-gradient(180deg, #F7FBFF 0%, #EDF4FF 100%);
  position: relative;
}
.services::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.28), rgba(255,255,255,0) 44%),
    radial-gradient(circle at 78% 72%, rgba(15, 76, 219, 0.06), transparent 34%);
}
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--primary);
  transform: scaleX(0); transition: var(--transition);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 76, 219, 0.28);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card-icon {
  width: 52px; height: 52px;
  background: var(--primary-light);
  border-radius: 12px; display: flex;
  align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.4rem;
}
.service-card h3 {
  color: var(--primary); font-size: 0.95rem;
  font-weight: 800; margin-bottom: 16px;
  letter-spacing: 0.5px; line-height: 1.4;
}
.service-card ul { margin-bottom: 24px; }
.service-card li {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 8px; font-size: 0.88rem; color: var(--text);
}

.service-card li::before {
  content: "\2713";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.62rem;
  font-weight: 800;
  margin-top: 3px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; background: var(--primary);
  color: #fff; font-weight: 600; font-size: 0.85rem;
  border-radius: 6px; transition: var(--transition);
}
.btn-outline:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-outline .arrow { transition: var(--transition); }
.btn-outline:hover .arrow { transform: translateX(4px); }

/* === PRICING SECTION === */
.pricing {
  padding: 100px 0;
  background:
    radial-gradient(circle at 88% 22%, rgba(15, 76, 219, 0.12), transparent 34%),
    radial-gradient(circle at 8% 72%, rgba(14, 165, 233, 0.09), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F2F7FF 100%);
  position: relative;
}
.pricing::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15, 76, 219, 0.42), transparent);
  pointer-events: none;
}
.pricing::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.24), rgba(255,255,255,0) 42%);
}
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; align-items: stretch;
}
.pricing-card {
  background: var(--card-bg);
  border: 1.5px solid rgba(15, 76, 219, 0.12);
  border-radius: var(--radius); padding: 40px 32px;
  text-align: center; transition: var(--transition);
  position: relative; display: flex; flex-direction: column;
  box-shadow: var(--shadow);
}
.pricing-card.featured {
  border-color: rgba(15, 76, 219, 0.45);
  box-shadow: 0 16px 50px rgba(15, 76, 219, 0.22);
  transform: scale(1.03);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-badge {
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; padding: 4px 20px;
  font-size: 0.75rem; font-weight: 700; border-radius: 0 0 8px 8px;
  letter-spacing: 1px;
}
.pricing-name { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.pricing-price {
  font-family: 'Be Vietnam Pro', 'Manrope', sans-serif;
  font-size: 2.4rem; font-weight: 900; color: var(--primary); margin-bottom: 4px;
}
.pricing-period { font-size: 0.85rem; color: var(--text-light); margin-bottom: 28px; }
.pricing-features { margin-bottom: 32px; flex-grow: 1; text-align: left; }
.pricing-features li {
  padding: 8px 0; font-size: 0.9rem; color: var(--text);
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.pricing-features li::before { content: "\2713"; color: var(--primary); font-weight: 700; }
.pricing-features li.disabled { color: #ccc; text-decoration: line-through; }
.pricing-features li.disabled::before { color: #ccc; }
.btn-pricing {
  display: block; width: 100%; padding: 14px;
  border-radius: 8px; font-weight: 700;
  font-size: 0.92rem; transition: var(--transition);
  background: var(--primary-light); color: var(--primary);
}
.btn-pricing:hover { background: var(--primary); color: #fff; }
.pricing-card.featured .btn-pricing {
  background: var(--primary); color: #fff;
  box-shadow: 0 4px 16px rgba(29, 78, 216, 0.3);
}
.pricing-card.featured .btn-pricing:hover {
  background: var(--primary-dark);
}

/* === WHY US SECTION === */
.why-us {
  padding: 100px 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(15, 76, 219, 0.08), transparent 42%),
    linear-gradient(180deg, #F4F8FF 0%, #EAF2FF 100%);
  position: relative;
}
.why-us::before {
  content: "";
  position: absolute;
  top: 64px;
  left: 50%;
  width: min(72%, 880px);
  transform: translateX(-50%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15, 76, 219, 0.32), transparent);
  pointer-events: none;
}
.why-us::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 84px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(234, 242, 255, 0), rgba(243, 247, 255, 0.8));
}
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.why-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 28px; text-align: center;
  transition: var(--transition); border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow);
}
.why-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(15, 76, 219, 0.18); }
.why-icon {
  width: 64px; height: 64px; background: var(--primary-light);
  border-radius: 16px; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 20px; font-size: 1.6rem;
  transition: var(--transition);
}
.why-card:hover .why-icon {
  background: var(--primary); transform: scale(1.1);
}
.why-card:hover .why-icon svg { filter: brightness(0) invert(1); }
.why-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.why-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }

/* === TESTIMONIALS SECTION === */
.testimonials {
  padding: 100px 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.12), transparent 32%),
    radial-gradient(circle at 92% 82%, rgba(15, 76, 219, 0.1), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F3F8FF 100%);
  position: relative;
}
.testimonials::before {
  content: "";
  position: absolute;
  right: 8%;
  top: 72px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 76, 219, 0.12), rgba(15, 76, 219, 0));
  filter: blur(2px);
  pointer-events: none;
}
.testi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.testi-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 28px; transition: var(--transition);
  border: 1px solid rgba(15, 76, 219, 0.1);
  box-shadow: var(--shadow);
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testi-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid rgba(0,0,0,0.06); }
.testi-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), #CFE1FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: var(--primary);
  flex-shrink: 0;
}
.testi-info h4 { font-size: 1rem; font-weight: 700; color: var(--dark); }
.testi-info p { font-size: 0.8rem; color: var(--text-light); }
.testi-quote { font-size: 0.9rem; color: var(--text); line-height: 1.8; font-style: italic; }

/* === CONTACT / CTA SECTION === */
.contact {
  padding: 100px 0;
  background:
    radial-gradient(circle at 8% 88%, rgba(15, 76, 219, 0.08), transparent 30%),
    linear-gradient(180deg, #F1F6FF 0%, #EAF2FF 100%);
}
.contact-wrapper {
  background: linear-gradient(145deg, #0F4CDB 0%, #0D3EA8 72%);
  border-radius: 24px; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 500px; box-shadow: 0 20px 60px rgba(29, 78, 216, 0.22);
}
.contact-form { padding: 60px 48px; }
.contact-form .section-label { color: #fff; }
.contact-form .section-label::before { border-left-color: #fff; }
.contact-form h2 { color: #fff; font-size: 1.8rem; font-weight: 800; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; color: rgba(255,255,255,0.9);
  font-size: 0.85rem; font-weight: 600; margin-bottom: 6px;
}
.form-group label span { color: #fff; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 16px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.36); border-radius: 8px;
  font-size: 0.92rem; color: #fff;
  font-family: inherit; transition: var(--transition);
  caret-color: #fff;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.75);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; box-shadow: 0 0 0 3px rgba(255,255,255,0.4);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.btn-submit {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; background: #071022; color: #fff;
  font-weight: 700; font-size: 1rem; border-radius: 8px;
  transition: var(--transition);
}
.btn-submit:hover {
  background: #020617; transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0,0,0,0.34);
}
.contact-visual {
  display: flex; align-items: center; justify-content: center;
  padding: 40px; position: relative; overflow: hidden;
}
.contact-visual img {
  max-width: 420px; width: 100%;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
  animation: heroFloat 6s ease-in-out infinite;
}

/* === FOOTER === */
.footer {
  background:
    radial-gradient(circle at 90% -20%, rgba(15, 76, 219, 0.1), transparent 36%),
    linear-gradient(180deg, #FFFFFF 0%, #EEF4FF 100%);
  padding: 72px 0 32px;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.footer-brand .footer-logo { width: auto; height: 46px; object-fit: contain; }
.footer-company h3 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.footer-company p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 6px; }
.footer-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(15, 76, 219, 0.2);
}
.footer-social a svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex-shrink: 0;
}
.footer-social .social-tg svg {
  transform: translate(-0.5px, 0.5px);
}
.footer-social a:hover {
  color: #fff;
  background: var(--primary);
  transform: translateY(-1px);
}
.footer-col h4 {
  font-size: 0.95rem; font-weight: 700; color: var(--dark);
  margin-bottom: 16px;
}
.footer-col a {
  display: block; font-size: 0.85rem; color: var(--text-light);
  padding: 4px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid rgba(0,0,0,0.06);
  padding-top: 24px; text-align: center;
  font-size: 0.82rem; color: var(--text-light);
}

/* === Section Continuity === */
.services,
.pricing,
.why-us,
.testimonials,
.contact,
.footer {
  background: transparent;
  position: relative;
  overflow-x: clip;
}
.services::before,
.pricing::before,
.pricing::after,
.why-us::before,
.why-us::after,
.testimonials::before {
  display: none;
}
.services .container,
.pricing .container,
.why-us .container,
.testimonials .container,
.contact .container,
.footer .container {
  position: relative;
  z-index: 1;
}
.services .container::before,
.pricing .container::before,
.why-us .container::before,
.testimonials .container::before,
.contact .container::before {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
  border-radius: 999px;
}
.services .container::before {
  width: 320px;
  height: 320px;
  top: -80px;
  left: -120px;
  background: radial-gradient(circle, rgba(15, 76, 219, 0.12), rgba(15, 76, 219, 0));
}
.pricing .container::before {
  width: 340px;
  height: 340px;
  top: -90px;
  right: -130px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.11), rgba(14, 165, 233, 0));
}
.why-us .container::before {
  width: 380px;
  height: 220px;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(15, 76, 219, 0.1), rgba(15, 76, 219, 0));
}
.testimonials .container::before {
  width: 300px;
  height: 300px;
  top: -30px;
  left: -80px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.1), rgba(14, 165, 233, 0));
}
.contact .container::before {
  width: 320px;
  height: 320px;
  top: -70px;
  right: -90px;
  background: radial-gradient(circle, rgba(15, 76, 219, 0.1), rgba(15, 76, 219, 0));
}
.services .section-heading,
.pricing .section-heading,
.why-us .section-heading,
.testimonials .section-heading {
  position: relative;
}
.services .section-heading::after,
.pricing .section-heading::after,
.why-us .section-heading::after,
.testimonials .section-heading::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -18px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15, 76, 219, 0), rgba(15, 76, 219, 0.55), rgba(15, 76, 219, 0));
}
.services .section-heading::after { width: 88px; }
.pricing .section-heading::after { width: 96px; }
.why-us .section-heading::after { width: 84px; }
.testimonials .section-heading::after { width: 90px; }

/* === SCROLL ANIMATIONS === */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* === DESKTOP ENHANCEMENTS (>1024px) === */
@media (min-width: 1025px) {
  .service-card { transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease; }
  .service-card:hover { transform: translateY(-8px) scale(1.02); }
  .why-card { transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease; }
  .why-card:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
  .testi-card { transition: transform 0.4s ease, box-shadow 0.4s ease; }
  .testi-card:hover { transform: translateY(-8px) rotate(-0.5deg); }
  .pricing-card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); }
  .pricing-card.featured:hover { transform: scale(1.03) translateY(-8px); }
  .btn-primary { transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
  .btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 32px rgba(29, 78, 216, 0.45); }
  .btn-outline:hover { transform: translateY(-2px) scale(1.03); }
  .hero-visual img { transition: filter 0.6s ease; }
  .hero-visual:hover img { filter: drop-shadow(0 30px 60px rgba(0,0,0,0.18)); }
}

/* === TABLET (max-width: 1024px) === */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-title span:last-child { white-space: normal; }
  .hero-desc { margin: 0 auto 32px; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 360px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card:last-child { grid-column: span 2; max-width: 400px; margin: 0 auto; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .contact-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* === MOBILE (max-width: 768px) === */
@media (max-width: 768px) {
  /* -- Mobile navbar expands to fullscreen when open -- */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    background: var(--bg-alt);
    transition: none;
    overflow: visible;
    transform: translateZ(0);
  }
  .navbar::before { display: none; }
  .navbar.menu-open {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1250;
    overflow-y: auto;
  }
  .navbar.menu-open .container {
    height: 72px;
    padding-top: max(8px, env(safe-area-inset-top));
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .navbar .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    height: 64px;
    padding: 0 10px;
    column-gap: 8px;
  }
  .nav-brand {
    grid-column: 1;
    grid-row: 1;
    flex: 1 1 auto;
    min-width: 0;
    font-size: 1.2rem;
    gap: 8px;
    overflow: hidden;
  }
  .nav-brand span {
    display: block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nav-brand .brand-logo { height: 34px; }
  .nav-actions {
    grid-column: 2;
    grid-row: 1;
    display: flex !important;
    margin-left: auto;
    gap: 6px;
    flex: 0 0 auto;
    align-items: center;
    white-space: nowrap;
  }
  .nav-actions .lang-switch {
    margin: 0;
    padding: 2px;
    gap: 2px;
    border-radius: 16px;
  }
  .nav-actions .lang-btn {
    padding: 4px 8px;
    font-size: 0.72rem;
    border-radius: 14px;
    min-width: 30px;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    padding: 24px 4px 32px;
    gap: 8px;
  }
  .nav-links.open {
    display: flex;
    margin-top: 6px;
  }
  .nav-links a {
    font-size: 1.05rem; padding: 14px 18px; width: 100%;
    border-radius: 10px; font-weight: 600;
    transition: background 0.2s ease;
  }
  .nav-links a:hover, .nav-links a:active { background: var(--primary-light); }
  .nav-links a::after { display: none; }
  .nav-toggle {
    display: flex;
    width: 40px;
    height: 40px;
    padding: 8px;
    margin-right: 0;
    align-items: center;
    justify-content: center;
  }

  /* -- Hero minimal -- */
  .hero { padding: 110px 0 48px; min-height: auto; }
  .hero .container { gap: 24px; }
  .hero-title { font-size: 1.7rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .hero-desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 24px; }
  .hero-divider { margin-bottom: 16px; }
  .hero-bullets { margin-bottom: 28px; }
  .hero-bullets li { justify-content: center; font-size: 0.88rem; }
  .hero-visual {
    width: min(100%, 320px);
    margin: 0 auto 10px;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 16px 36px rgba(15, 76, 219, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.55);
  }
  .hero-visual img {
    width: 100%;
    max-width: none;
    margin: 0;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center;
    filter: none;
    animation: none;
  }
  .btn-primary { padding: 13px 28px; font-size: 0.9rem; width: 100%; justify-content: center; }

  /* -- Sections minimal padding -- */
  .services, .pricing, .why-us, .testimonials, .contact { padding: 64px 0; }
  .container { padding: 0 16px; }
  .section-heading { font-size: 1.3rem; margin-bottom: 28px; }
  .section-label { font-size: 0.78rem; margin-bottom: 8px; }
  .services .container::before,
  .pricing .container::before,
  .testimonials .container::before,
  .contact .container::before {
    width: 220px;
    height: 220px;
    opacity: 0.65;
  }
  .why-us .container::before {
    width: 250px;
    height: 150px;
    opacity: 0.6;
  }
  .services .section-heading::after,
  .pricing .section-heading::after,
  .why-us .section-heading::after,
  .testimonials .section-heading::after {
    bottom: -14px;
    height: 2px;
  }

  /* -- Service cards compact -- */
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 24px 20px; }
  .service-card h3 { font-size: 0.85rem; }
  .service-card li { font-size: 0.82rem; }
  .service-card h3, .service-card li, .pricing-features li, .why-card h3, .why-card p, .testi-quote, .footer-company p, .footer-col a {
    overflow-wrap: anywhere;
  }
  .service-card-icon { width: 44px; height: 44px; margin-bottom: 14px; }
  .btn-outline { padding: 9px 20px; font-size: 0.82rem; }

  /* -- Pricing cards -- */
  .pricing-grid { grid-template-columns: 1fr; gap: 16px; }
  .pricing-card { padding: 32px 24px; }
  .pricing-card.featured { transform: none; border-width: 2px; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .pricing-card:last-child { grid-column: span 1; max-width: 100%; width: 100%; margin: 0; }
  .pricing-price { font-size: 2rem; }

  /* -- Why us more breathable on mobile -- */
  .why-grid { grid-template-columns: 1fr; gap: 16px; }
  .why-card { padding: 26px 20px; }
  .why-card h3 { font-size: 1rem; line-height: 1.4; }
  .why-card p { font-size: 0.86rem; line-height: 1.72; }
  .why-icon { width: 52px; height: 52px; margin-bottom: 14px; }

  /* -- Testimonials horizontal scroll -- */
  .testi-grid { grid-template-columns: 1fr; gap: 16px; }
  .testi-card { min-width: 0; padding: 28px 20px; }
  .testi-quote { font-size: 0.85rem; }

  /* -- Contact compact -- */
  .contact-wrapper { min-height: auto; }
  .contact-form { padding: 32px 20px; }
  .contact-form h2 { font-size: 1.4rem; margin-bottom: 24px; }
  .form-group { margin-bottom: 14px; }
  .form-group input, .form-group textarea { padding: 12px 14px; font-size: 0.88rem; }
  .btn-submit { width: 100%; justify-content: center; padding: 14px 24px; font-size: 0.92rem; }

  /* -- Footer compact -- */
  .footer { padding: 48px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-col a { padding: 6px 0; font-size: 0.82rem; }
  .footer-bottom { font-size: 0.78rem; }

  /* -- Reduce animation delays on mobile -- */
  .fade-in-delay-3, .fade-in-delay-4, .fade-in-delay-5, .fade-in-delay-6 { transition-delay: 0.2s; }

  /* -- Disable hover transforms on touch -- */
  .service-card:hover, .why-card:hover, .testi-card:hover { transform: none; }
  .pricing-card:hover { transform: none; }
}

/* === SMALL MOBILE (max-width: 480px) === */
@media (max-width: 480px) {
  .hero { padding: 100px 0 36px; }
  .hero-title { font-size: 1.45rem; }
  .hero-desc { font-size: 0.85rem; }
  .hero-visual {
    width: min(100%, 270px);
    border-radius: 18px;
    margin-bottom: 8px;
  }
  .hero-visual img { aspect-ratio: 1 / 1.08; }
  .hero-bullets li { font-size: 0.82rem; gap: 8px; }

  .why-grid { grid-template-columns: 1fr; gap: 14px; }
  .why-card {
    padding: 20px 16px;
    text-align: left;
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 14px;
    row-gap: 6px;
    align-items: start;
  }
  .why-icon {
    margin: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    grid-row: 1 / span 2;
  }
  .why-card h3 { font-size: 0.96rem; line-height: 1.35; margin: 1px 0 2px; }
  .why-card p { font-size: 0.84rem; line-height: 1.62; }

  .pricing-card { padding: 28px 20px; }
  .pricing-card:last-child { width: 100%; margin: 0; }
  .pricing-name { font-size: 1.05rem; }
  .pricing-price { font-size: 1.8rem; }
  .pricing-features li { font-size: 0.82rem; padding: 6px 0; }

  .section-heading { font-size: 1.15rem; }
  .service-card { padding: 20px 16px; }
}