/* ============================================
   CLIMACONDIC LAB — Premium HVAC Landing Page
   Palette: Deep Navy · Icy Blue · Cyan · White
   ============================================ */

/* --- Custom Properties --- */
:root {
  --primary: #0a1628;
  --primary-mid: #0f2847;
  --primary-light: #1a365d;
  --accent: #00b4d8;
  --accent-light: #90e0ef;
  --accent-dark: #0096b7;
  --accent-glow: rgba(0, 180, 216, 0.25);
  --warm: #f59e0b;
  --bg: #f0f7ff;
  --bg-card: rgba(255, 255, 255, 0.88);
  --white: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --border: rgba(148, 163, 184, 0.2);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 8px 40px var(--accent-glow);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 50%;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.35s var(--ease);

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Montserrat', system-ui, sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul { list-style: none; }

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  z-index: 1002;
}
.logo span { color: var(--accent); }

/* Navigation */
.nav__list {
  display: flex;
  gap: 36px;
}

.nav__link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
  position: relative;
  padding: 8px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav__link:hover { color: var(--white); }
.nav__link:hover::after { width: 100%; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  z-index: 1002;
  cursor: pointer;
}

.burger__line {
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.burger.active .burger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.burger.active .burger__line:nth-child(2) {
  opacity: 0;
}
.burger.active .burger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.active {
  opacity: 1;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 35%, #0d3b66 65%, #14648a 100%);
  overflow: hidden;
  padding: 120px 0 80px;
}

/* Animated background shapes */
.hero__bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__shape {
  position: absolute;
  border-radius: var(--radius-full);
  background: var(--accent);
  opacity: 0.06;
  animation: bgFloat 20s ease-in-out infinite;
}
.hero__shape:nth-child(1) {
  width: 450px; height: 450px;
  top: -120px; right: -120px;
}
.hero__shape:nth-child(2) {
  width: 350px; height: 350px;
  bottom: -80px; left: -100px;
  animation-delay: -7s;
}
.hero__shape:nth-child(3) {
  width: 200px; height: 200px;
  top: 40%; left: 45%;
  animation-delay: -14s;
}

/* Hero grid */
.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__text { color: var(--white); }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero__title span {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 100px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.35);
}
.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(0, 180, 216, 0.5);
}

/* Hero image — levitating AC unit */
.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Hero AC wrapper with airflow */
.hero__ac-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__ac-img {
  width: 100%;
  max-width: 500px;
  animation: levitate 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0, 180, 216, 0.2)) brightness(1.08) contrast(1.05);
  border-radius: var(--radius-md);
  object-fit: contain;
  mix-blend-mode: lighten;
}

/* Airflow animation container */
.hero__airflow {
  position: absolute;
  bottom: -10px;
  left: 10%;
  right: 10%;
  height: 200px;
  pointer-events: none;
  overflow: visible;
}

/* Flowing air streams */
.hero__airflow-stream {
  position: absolute;
  width: 2px;
  height: 0;
  background: linear-gradient(to bottom, rgba(144, 224, 239, 0.5), rgba(144, 224, 239, 0));
  border-radius: 2px;
  animation: airStream 2.5s ease-in-out infinite;
}

.hero__airflow-stream:nth-child(1) { left: 15%; animation-delay: 0s; animation-duration: 2.2s; }
.hero__airflow-stream:nth-child(2) { left: 30%; animation-delay: 0.4s; animation-duration: 2.6s; }
.hero__airflow-stream:nth-child(3) { left: 50%; animation-delay: 0.2s; animation-duration: 2.8s; }
.hero__airflow-stream:nth-child(4) { left: 68%; animation-delay: 0.6s; animation-duration: 2.3s; }
.hero__airflow-stream:nth-child(5) { left: 83%; animation-delay: 0.1s; animation-duration: 2.5s; }

/* Floating cool air particles */
.hero__airflow-particle {
  position: absolute;
  top: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(144, 224, 239, 0.7), rgba(72, 202, 228, 0.3));
  animation: airParticle 3s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(144, 224, 239, 0.4);
}

.hero__airflow-particle:nth-child(6)  { left: 12%; animation-delay: 0s; animation-duration: 2.8s; width: 5px; height: 5px; }
.hero__airflow-particle:nth-child(7)  { left: 25%; animation-delay: 0.5s; animation-duration: 3.2s; width: 4px; height: 4px; }
.hero__airflow-particle:nth-child(8)  { left: 38%; animation-delay: 0.3s; animation-duration: 2.6s; width: 7px; height: 7px; }
.hero__airflow-particle:nth-child(9)  { left: 52%; animation-delay: 0.8s; animation-duration: 3.5s; width: 5px; height: 5px; }
.hero__airflow-particle:nth-child(10) { left: 65%; animation-delay: 0.2s; animation-duration: 2.9s; width: 6px; height: 6px; }
.hero__airflow-particle:nth-child(11) { left: 78%; animation-delay: 0.6s; animation-duration: 3.1s; width: 4px; height: 4px; }
.hero__airflow-particle:nth-child(12) { left: 90%; animation-delay: 0.4s; animation-duration: 2.7s; width: 5px; height: 5px; }
.hero__airflow-particle:nth-child(13) { left: 45%; animation-delay: 1.0s; animation-duration: 3.3s; width: 3px; height: 3px; }

/* ============================================
   SECTION SHARED STYLES
   ============================================ */
.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.about__card {
  padding: 36px 30px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.about__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.about__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
  color: var(--white);
}

.about__card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.about__card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--white) 100%);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  padding: 44px 32px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: levitateSubtle 6s ease-in-out infinite;
  overflow: hidden;
}
.service-card:nth-child(2) { animation-delay: -2s; }
.service-card:nth-child(3) { animation-delay: -4s; }

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-glow);
}
.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.12), rgba(0, 180, 216, 0.04));
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  color: var(--accent);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 28px;
}

.service-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--transition), color var(--transition);
}
.service-card:hover .service-card__cta { gap: 14px; }

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10, 22, 40, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 580px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  transform: translateY(30px) scale(0.96);
  transition: transform 0.35s var(--ease);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
  border-radius: var(--radius-full);
  line-height: 1;
}
.modal__close:hover {
  background: var(--bg);
  color: var(--text);
}

.modal__title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--text);
  padding-right: 40px;
}

.price-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  gap: 20px;
  transition: background var(--transition);
}
.price-item:hover { background: #e6f0fb; }

.price-item__name {
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
  flex: 1;
}

.price-item__cost {
  font-weight: 700;
  color: var(--accent-dark);
  white-space: nowrap;
  font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: 100px 0;
  background: var(--white);
}

.contact__wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group__input,
.form-group__select {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group__select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 14px;
  padding-right: 48px;
  cursor: pointer;
}

.form-group__input:focus,
.form-group__select:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.1);
}

.form-group__input::placeholder {
  color: var(--text-light);
}

/* Select placeholder color */
.form-group__select:invalid {
  color: var(--text-light);
}

.form__submit {
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: 100px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.3);
  cursor: pointer;
  border: none;
  margin-top: 8px;
}
.form__submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(0, 180, 216, 0.5);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 44px 0;
  background: var(--primary);
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}
.footer__logo span { color: var(--accent); }

.footer__contacts {
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer__contacts a {
  color: var(--accent-light);
  transition: color var(--transition);
}
.footer__contacts a:hover { color: var(--white); }

.footer__copy {
  font-size: 0.82rem;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   FLOATING ACTION BUTTON (FAB)
   ============================================ */
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
}

.fab__trigger {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 28px rgba(0, 180, 216, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

/* Pulsing ring */
.fab__trigger::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent);
  animation: fabPulse 2.2s ease-out infinite;
}

.fab__trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 36px rgba(0, 180, 216, 0.55);
}

.fab__trigger-icon {
  transition: transform 0.3s var(--ease);
}
.fab.active .fab__trigger-icon {
  transform: rotate(135deg);
}

/* FAB menu */
.fab__menu {
  position: absolute;
  bottom: 76px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease), transform 0.3s var(--ease);
}
.fab.active .fab__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fab__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px 10px 14px;
  background: var(--white);
  border-radius: 100px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 48px;
}
.fab__item:hover {
  transform: translateX(-4px);
  box-shadow: var(--shadow-lg);
}

.fab__item-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ============================================
   ANIMATIONS — @keyframes
   ============================================ */
@keyframes levitate {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-20px); }
}

@keyframes levitateSubtle {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(30px, -30px) scale(1.05); }
  66%      { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes fabPulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

@keyframes airStream {
  0% {
    height: 0;
    opacity: 0;
    transform: translateY(0) scaleX(1);
  }
  20% {
    opacity: 0.6;
  }
  50% {
    height: 120px;
    opacity: 0.3;
    transform: translateY(40px) scaleX(0.8);
  }
  100% {
    height: 0;
    opacity: 0;
    transform: translateY(160px) scaleX(0.5);
  }
}

@keyframes airParticle {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0) scale(1);
  }
  15% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
    transform: translateY(80px) translateX(10px) scale(0.7);
  }
  100% {
    opacity: 0;
    transform: translateY(180px) translateX(-5px) scale(0.3);
  }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================
   TOUCH DEVICES — disable hover levitation
   ============================================ */
@media (hover: none) {
  .service-card {
    animation: none;
  }
  .service-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
  .service-card:hover::before { opacity: 0; }
  .service-card:hover .service-card__cta { gap: 8px; }
  .about__card:hover {
    transform: none;
    box-shadow: none;
  }
  .hero__cta:hover {
    transform: none;
    box-shadow: 0 8px 30px rgba(0, 180, 216, 0.35);
  }
  .form__submit:hover {
    transform: none;
  }
  .nav__link:hover::after { width: 0; }

}

/* ============================================
   RESPONSIVE — Tablet (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .about__grid,
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   RESPONSIVE — Mobile (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Header */
  .burger { display: flex; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--primary);
    padding: 110px 36px 40px;
    transition: right 0.4s var(--ease);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.35);
    z-index: 1001;
  }
  .nav.active { right: 0; }

  .nav__list {
    flex-direction: column;
    gap: 28px;
  }
  .nav__link {
    font-size: 1.15rem;
    display: block;
    padding: 8px 0;
  }

  .nav-overlay {
    display: block;
  }

  /* Hero */
  .hero {
    padding: 110px 0 60px;
  }
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__image {
    order: -1;
  }
  .hero__ac-img {
    max-width: 360px;
  }

  /* Grids */
  .about__grid,
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  /* Sections padding */
  .about,
  .services,
  .contact {
    padding: 80px 0;
  }

  /* Modal */
  .modal {
    padding: 36px 24px;
    border-radius: var(--radius-md);
  }
  .modal__title {
    font-size: 1.25rem;
  }
}

/* ============================================
   RESPONSIVE — Small Mobile (≤ 480px)
   ============================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero { padding: 100px 0 50px; min-height: auto; }
  .hero__badge { font-size: 0.78rem; padding: 6px 16px; }
  .hero__ac-img { max-width: 280px; }
  .hero__cta { padding: 14px 28px; font-size: 0.95rem; }

  .section__header { margin-bottom: 40px; }

  .about,
  .services,
  .contact {
    padding: 64px 0;
  }

  .service-card { padding: 32px 24px; }

  .fab {
    bottom: 20px;
    right: 16px;
  }
  .fab__trigger {
    width: 56px;
    height: 56px;
  }

  .price-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .modal {
    padding: 28px 18px;
  }
}