/* ===========================
   EkoTom AC – Modern Website
   =========================== */

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

:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #e0f2fe;
  --secondary: #0f172a;
  --text: #334155;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --success: #22c55e;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.1);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

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

/* ---------- Typography ---------- */
.gradient-text {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8, #7dd3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 20px rgba(14,165,233,.4);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(14,165,233,.5);
}

.btn--outline {
  background: transparent;
  color: var(--secondary);
  border-color: var(--border);
}
.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn--white {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,.2);
}

.btn--outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,.5);
}
.btn--outline-white:hover {
  border-color: white;
  background: rgba(255,255,255,.1);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ---------- Section helpers ---------- */
.section { padding: 96px 0; }

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section__badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section__title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--secondary);
}
.nav__logo strong { color: var(--primary); font-weight: 800; }

.nav__logo-img {
  mix-blend-mode: multiply;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
}
.nav__link:hover { background: var(--bg-alt); color: var(--primary); }

.nav__link--cta {
  background: var(--primary);
  color: white !important;
  margin-left: 8px;
  box-shadow: 0 2px 10px rgba(14,165,233,.35);
}
.nav__link--cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}
.nav__burger span {
  width: 24px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.active span:nth-child(2) { opacity: 0; }
.nav__burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0284c7 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero__bg { position: absolute; inset: 0; overflow: hidden; }

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .15;
  animation: float 8s ease-in-out infinite;
}
.hero__blob--1 {
  width: 600px; height: 600px;
  background: #0ea5e9;
  top: -200px; right: -100px;
}
.hero__blob--2 {
  width: 400px; height: 400px;
  background: #38bdf8;
  bottom: -100px; left: 0;
  animation-delay: -4s;
}

.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

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

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #7dd3fc;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 17px;
  color: #94a3b8;
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: white;
  line-height: 1;
}
.stat span {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 4px;
  display: block;
}
.stat__divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

/* Hero Visual */
.hero__visual { position: relative; }

.hero__card--main {
  background: white;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.1);
}

.hero__illustration { width: 100%; }

.hero__card--float {
  position: absolute;
  background: white;
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
.hero__card--float strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--secondary);
}
.hero__card--float span {
  font-size: 11px;
  color: var(--text-light);
}
.hero__card--float1 {
  top: -20px; left: -30px;
  animation-delay: -2s;
}
.hero__card--float2 {
  bottom: -22px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
  animation-delay: -4s;
}

.hero__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}
.hero__wave svg { width: 100%; display: block; }

/* ============================================================
   BRANDS
   ============================================================ */
.brands {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.brands__label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-light);
  margin-bottom: 24px;
}
.brands__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.brand-tag {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  transition: all var(--transition);
}
.brand-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__image-wrap {
  position: relative;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
}
.about__image-wrap::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(14,165,233,.08) 0%, transparent 60%);
}
.about__svg { width: 100%; position: relative; }

.about__lead {
  font-size: 18px;
  font-weight: 500;
  color: var(--secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}
.about__text {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.about__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { position: relative; }
.services__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #f8fafc 0%, #f0f9ff 100%);
  z-index: -1;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #38bdf8);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 60px; height: 60px;
  background: color-mix(in srgb, var(--icon-color, #0ea5e9) 12%, transparent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--icon-color, #0ea5e9);
  transition: all var(--transition);
}
.service-card:hover .service-card__icon {
  background: var(--icon-color, #0ea5e9);
  color: white;
}

.service-card__title {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card__text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card__list {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card__list li {
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.service-card__list li::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   WHY US
   ============================================================ */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why__item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}
.why__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  background: white;
}

.why__icon {
  width: 56px; height: 56px;
  background: var(--why-color, var(--primary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--why-color, var(--primary)) 40%, transparent);
}

.why__item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
  line-height: 1.3;
}
.why__item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

.portfolio__item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.portfolio__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.portfolio__item--wide { grid-column: 1 / -1; }

.portfolio__visual {
  height: 220px;
  overflow: hidden;
}
.portfolio__visual svg { width: 100%; height: 100%; object-fit: cover; }

.portfolio__visual--blue { background: #eff6ff; }
.portfolio__visual--green { background: #f0fdf4; }
.portfolio__visual--purple { background: #faf5ff; }

.portfolio__info { padding: 24px; }

.portfolio__tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.portfolio__tag--green { background: #dcfce7; color: #16a34a; }
.portfolio__tag--purple { background: #f3e8ff; color: #7c3aed; }

.portfolio__info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
  line-height: 1.3;
}
.portfolio__info p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 50%, #38bdf8 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta__bg { position: absolute; inset: 0; }
.cta__wave-top, .cta__wave-bottom {
  position: absolute; left: 0; right: 0;
}
.cta__wave-top { top: 0; }
.cta__wave-top svg { width: 100%; height: 80px; }
.cta__wave-bottom { bottom: 0; }
.cta__wave-bottom svg { width: 100%; height: 80px; }

.cta__content { position: relative; }

.cta__title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}
.cta__subtitle {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact__detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact__icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__detail strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-light);
  margin-bottom: 4px;
}
.contact__detail a {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary);
  transition: color var(--transition);
}
.contact__detail a:hover { color: var(--primary); }
.contact__note {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

/* Form */
.contact__form {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  margin-bottom: 20px;
}

.form__group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--secondary);
  background: var(--bg-alt);
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(14,165,233,.1);
}
.form__group textarea { resize: vertical; }

.form__group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}
.form__group--checkbox input[type="checkbox"] {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
  padding: 0;
}
.form__group--checkbox label {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

.form__success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  padding: 16px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  color: #15803d;
}
.form__success.visible { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--secondary);
  color: #94a3b8;
  padding-top: 64px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__logo { color: white; margin-bottom: 16px; }
.footer__logo span { color: #94a3b8; }
.footer__logo strong { color: var(--primary); }

.footer__brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer__social { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  transition: all var(--transition);
}
.social-btn:hover { background: var(--primary); color: white; }

.footer__links h4,
.footer__contact h4 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 20px;
}
.footer__links ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 14px;
  color: #94a3b8;
  transition: color var(--transition);
}
.footer__links a:hover { color: white; }

.footer__contact p {
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.5;
}
.footer__contact a {
  color: var(--primary);
  font-weight: 600;
  transition: color var(--transition);
}
.footer__contact a:hover { color: #38bdf8; }

.footer__bottom {
  padding: 24px 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__bottom p { font-size: 13px; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(14,165,233,.4);
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  z-index: 100;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ============================================================
   SCROLL PROGRESS BAR
   ============================================================ */
#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #0ea5e9, #38bdf8, #7dd3fc);
  z-index: 9999;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

/* ============================================================
   HERO PARTICLES CANVAS
   ============================================================ */
#heroParticles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ============================================================
   HERO CURSOR
   ============================================================ */
.hero__cursor {
  display: inline-block;
  width: 3px;
  height: 0.9em;
  background: #38bdf8;
  margin-left: 2px;
  vertical-align: text-bottom;
  border-radius: 2px;
  animation: cursorBlink .9s ease-in-out infinite;
}

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

/* ============================================================
   RIPPLE EFFECT
   ============================================================ */
.btn { position: relative; overflow: hidden; }

.btn-ripple {
  position: absolute;
  border-radius: 50%;
  width: 8px;
  height: 8px;
  background: rgba(255,255,255,0.4);
  transform: translate(-50%, -50%) scale(0);
  animation: ripple .6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple {
  to { transform: translate(-50%, -50%) scale(30); opacity: 0; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Extra keyframes ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(14,165,233,.4); }
  50%       { box-shadow: 0 0 0 12px rgba(14,165,233,0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes bounce-in {
  0%   { opacity: 0; transform: scale(.7); }
  60%  { opacity: 1; transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---- Hero badge pulse ---- */
.hero__badge {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* ---- Service card shimmer border on hover ---- */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, transparent 20%, rgba(14,165,233,.08) 50%, transparent 80%);
  background-size: 200% auto;
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.service-card:hover::after {
  opacity: 1;
  animation: shimmer 1.4s linear infinite;
}

/* ---- Why icon spin on hover ---- */
.why__item:hover .why__icon svg {
  animation: spin-slow 2s linear infinite;
}

/* ---- Certificate badge bounce ---- */
.cert-badge {
  transition: transform .25s cubic-bezier(.4,0,.2,1);
}
.cert-badge:hover {
  transform: translateY(-4px) scale(1.04);
}

/* ---- Floating card pulse ---- */
.hero__card--float {
  animation: float 6s ease-in-out infinite;
}
.hero__card--float::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(14,165,233,.2), rgba(56,189,248,.1));
  z-index: -1;
  border-radius: var(--radius);
}

/* ---- Number ticker style ---- */
[data-count] {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ---- Section title underline animation ---- */
.section__title {
  position: relative;
}
.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #0ea5e9, #38bdf8);
  border-radius: 2px;
  margin: 12px auto 0;
  transition: width .4s ease;
}
.section__header:hover .section__title::after {
  width: 96px;
}

/* ============================================================
   BLOG SECTION (preview on homepage)
   ============================================================ */
.blog-preview {
  padding: 96px 0;
  background: var(--bg);
}

.blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.blog-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.blog-card__img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--bg-alt);
}
.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
  display: block;
}
.blog-card:hover .blog-card__img img {
  transform: scale(1.07);
}

.blog-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
  width: fit-content;
}

.blog-card__title {
  font-family: 'Poppins', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.35;
  margin-bottom: 10px;
}

.blog-card__excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
}

.blog-card__read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap .2s ease;
}
.blog-card:hover .blog-card__read-more {
  gap: 8px;
}

/* ============================================================
   BLOG PAGE
   ============================================================ */
.blog-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0284c7 100%);
  padding: 140px 0 80px;
  text-align: center;
  color: white;
}
.blog-hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 16px;
}
.blog-hero p {
  font-size: 18px;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
}

.blog-listing {
  padding: 80px 0;
}

.blog-listing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0284c7 100%);
  padding: 140px 0 64px;
  color: white;
}

.article-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #7dd3fc;
  margin-bottom: 20px;
}
.article-hero__breadcrumb a { color: #7dd3fc; transition: color .2s; }
.article-hero__breadcrumb a:hover { color: white; }

.article-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  color: #7dd3fc;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.article-hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 800px;
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: #94a3b8;
  font-size: 14px;
}
.article-hero__meta span { display: flex; align-items: center; gap: 6px; }

.article-body {
  padding: 72px 0 96px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.article-content {
  max-width: 720px;
}

.article-content h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}

.article-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin: 28px 0 10px;
}

.article-content p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 18px;
}

.article-content ul, .article-content ol {
  padding-left: 20px;
  margin-bottom: 18px;
}
.article-content li {
  font-size: 16px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 8px;
  list-style: disc;
}
.article-content ol li { list-style: decimal; }

.article-content .highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin: 28px 0;
}
.article-content .highlight-box p {
  margin: 0;
  font-weight: 500;
  color: var(--secondary);
}

.article-content img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: 24px 0;
  box-shadow: var(--shadow);
}

.article-content .fact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.article-content .fact-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.article-content .fact-item strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Poppins', sans-serif;
  line-height: 1;
  margin-bottom: 6px;
}
.article-content .fact-item span {
  font-size: 13px;
  color: var(--text-light);
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.sidebar-card h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-light);
  margin-bottom: 16px;
}
.sidebar-card ul { display: flex; flex-direction: column; gap: 10px; }
.sidebar-card li {
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.sidebar-card li::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.sidebar-card p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

.sidebar-cta {
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  border: none;
  color: white;
}
.sidebar-cta h4 { color: rgba(255,255,255,.7); }
.sidebar-cta p { color: rgba(255,255,255,.85); margin-bottom: 16px; }
.sidebar-cta .btn { width: 100%; justify-content: center; }

/* Related articles */
.related-articles {
  padding: 64px 0;
  background: var(--bg-alt);
}
.related-articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

/* ============================================================
   RESPONSIVE – blog & article
   ============================================================ */
@media (max-width: 1024px) {
  .blog-preview__grid { grid-template-columns: 1fr 1fr; }
  .related-articles__grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .blog-preview__grid { grid-template-columns: 1fr; }
  .blog-listing__grid { grid-template-columns: 1fr; }
  .related-articles__grid { grid-template-columns: 1fr; }
  .article-content .fact-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__content { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { display: none; }
  .hero { min-height: auto; padding: 140px 0 80px; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { max-width: 500px; }
  .why__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .portfolio__item--wide { grid-column: 1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section__header { margin-bottom: 40px; }

  .nav__list {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }
  .nav__list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav__link { width: 100%; text-align: center; padding: 12px; }
  .nav__link--cta { margin-left: 0; }
  .nav__burger { display: flex; }

  .hero__title { font-size: 40px; }
  .hero__actions { flex-direction: column; }
  .hero__stats { gap: 16px; }

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

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

  .contact__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .contact__form { padding: 24px; }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom .container { flex-direction: column; text-align: center; }

  .back-to-top { bottom: 20px; right: 20px; }
  .cta__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__title { font-size: 34px; }
  .hero__stats { flex-wrap: wrap; }
  .brands__logos { gap: 8px; }
  .brand-tag { font-size: 12px; padding: 6px 14px; }
  .services__grid { grid-template-columns: 1fr; }
}