/* 
 * Project: wave-piler.life
 * Theme: AI Innovation — Italian coastal warmth
 * Palette: Terracotta / Bronze + Ocean Blue on deep charcoal
 * Font: Outfit
 */

:root {
  /* Primary — warm terracotta/bronze */
  --primary: #c45e3a;
  --primary-light: #d4956b;
  --primary-dark: #a34528;
  --primary-glow: rgba(196, 94, 58, 0.35);

  /* Accent — ocean blue */
  --accent: #2a7cb5;
  --accent-light: #4faad6;
  --accent-glow: rgba(42, 124, 181, 0.3);

  /* Gold highlights */
  --gold: #d4a96b;

  /* Backgrounds */
  --bg-dark: #0f1117;
  --bg-card: #171922;
  --bg-card-hover: #1d2030;
  --bg-input: #1c1f2d;
  --bg-surface: #131520;

  /* Text */
  --text-main: #eaedf3;
  --text-muted: #8c90a4;
  --text-bright: #ffffff;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.3);
  --shadow-primary: 0 8px 30px var(--primary-glow);

  /* Layout */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1280px;
  --header-height: 72px;
}

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

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul { list-style: none; }

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 580px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 1rem;
  font-family: inherit;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1));
  opacity: 0;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px var(--primary-glow);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(196, 94, 58, 0.08);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  height: var(--header-height);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}

.logo img {
  border-radius: 8px;
}

/* ===== NAV ===== */
.nav-menu {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: var(--transition);
  padding: 2rem;
}

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

.nav-link {
  font-size: 1.4rem;
  font-weight: 500;
  position: relative;
}

.nav-link:hover { color: var(--primary); }

.burger {
  display: block;
  cursor: pointer;
  z-index: 1001;
}

.burger div {
  width: 26px;
  height: 3px;
  background: white;
  margin: 5px;
  border-radius: 2px;
  transition: var(--transition);
}

.burger.toggle .line1 {
  transform: rotate(-45deg) translate(-5px, 6px);
}
.burger.toggle .line2 { opacity: 0; }
.burger.toggle .line3 {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background:
    radial-gradient(ellipse at 80% 20%, rgba(196, 94, 58, 0.12), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(42, 124, 181, 0.1), transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(212, 169, 107, 0.05), transparent 60%),
    var(--bg-dark);
  overflow: hidden;
}

/* Decorative grain overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.hero-inner-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding-top: 2rem;
  padding-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196, 94, 58, 0.1);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  margin-bottom: 1.8rem;
  border: 1px solid rgba(196, 94, 58, 0.25);
  backdrop-filter: blur(8px);
  color: var(--primary-light);
  font-weight: 500;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #fff;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.8rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.main-hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-card);
}

.float-card {
  position: absolute;
  background: rgba(23, 25, 34, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-md);
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  z-index: 3;
}

.float-card i {
  color: var(--primary);
  font-size: 1.1rem;
}

.float-1 {
  top: 10%;
  right: -16px;
  animation: float 6s ease-in-out infinite;
}

.float-2 {
  bottom: 12%;
  left: -16px;
  animation: float 5s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 0 0 4px 0;
  transition: height 0.5s ease;
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 94, 58, 0.2);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(196, 94, 58, 0.15), rgba(42, 124, 181, 0.1));
  color: var(--primary);
}

.feature-card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-bright);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.service-item {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  height: 320px;
  cursor: pointer;
  border: 1px solid var(--border-card);
  transition: var(--transition);
}

.service-item:hover {
  border-color: rgba(196, 94, 58, 0.2);
  box-shadow: var(--shadow-md);
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-item:hover .service-img {
  transform: scale(1.08);
}

.service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.8rem;
  background: linear-gradient(to top, rgba(15, 17, 23, 0.95) 0%, rgba(15, 17, 23, 0.6) 50%, transparent 100%);
}

.service-overlay h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.service-overlay p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-card);
  transition: var(--transition);
  position: relative;
}

.review-card::after {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 4rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.1;
  line-height: 1;
  font-family: Georgia, serif;
}

.review-card:hover {
  border-color: rgba(196, 94, 58, 0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.review-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(196, 94, 58, 0.3);
}

.review-info h4 {
  font-size: 1rem;
  margin: 0;
  color: var(--text-bright);
}

.review-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-text {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--bg-card);
  text-align: center;
}

/* ===== CONTACTS ===== */
.contact-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-surface) 100%);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item i {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 4px;
}

.contact-form {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-card);
}

.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(196, 94, 58, 0.05);
  box-shadow: 0 0 0 3px rgba(196, 94, 58, 0.1);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.submit-btn {
  width: 100%;
  position: relative;
}

/* ===== FOOTER ===== */
.footer {
  background: #080a10;
  padding: 70px 0 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  color: var(--text-bright);
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-col ul li {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.modal-content {
  background: var(--bg-card);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: var(--transition);
  overflow-y: auto;
  border: 1px solid var(--border-card);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover { color: var(--primary); }

.modal-title {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.modal-body {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.modal-body h3 {
  color: #fff;
  margin: 1.5rem 0 0.5rem;
}

.modal-body ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  width: 90%;
  max-width: 480px;
  background: var(--bg-card);
  padding: 1.8rem;
  border-radius: var(--radius);
  border: 1px solid rgba(196, 94, 58, 0.25);
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  transition: var(--transition);
  opacity: 0;
  backdrop-filter: blur(16px);
}

.cookie-banner.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: rgba(196, 94, 58, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(196, 94, 58, 0.5);
}

/* ===== DESKTOP (1024px+) ===== */
@media (min-width: 1024px) {
  .header-inner {
    padding: 0 3rem;
  }

  .burger { display: none; }

  .nav-menu {
    position: static;
    height: auto;
    width: auto;
    background: transparent;
    flex-direction: row;
    padding: 0;
  }

  .nav-link {
    font-size: 0.95rem;
  }

  .hero h1 {
    font-size: 3.8rem;
  }

  .hero-inner-layout {
    grid-template-columns: 1.1fr 0.9fr;
    text-align: left;
    gap: 4rem;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

/* ===== TABLET (768px+) ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero-inner-layout {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

/* ===== HIDDEN ===== */
.hidden {
  display: none !important;
}

/* ===== SELECTION ===== */
::selection {
  background: rgba(196, 94, 58, 0.3);
  color: #fff;
}