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

:root {
  --color-primary: #1a73e8;
  --color-primary-dark: #1557b0;
  --color-accent: #d4a843;
  --color-accent-light: #f0d78c;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-white: #f1f5f9;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-whatsapp: #25d366;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

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

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

ul {
  list-style: none;
}

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

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: rgba(212, 168, 67, 0.1);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

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

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 115, 232, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}

.btn-whatsapp-header {
  color: var(--color-whatsapp);
  border-color: var(--color-whatsapp);
  background: transparent;
  font-size: 14px;
  padding: 10px 20px;
}

.btn-whatsapp-header:hover {
  background: var(--color-whatsapp);
  color: #fff;
  border-color: var(--color-whatsapp);
}

.btn-full {
  width: 100%;
  justify-content: center;
  font-size: 16px;
  padding: 16px 32px;
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), #4f9cf5);
  color: #fff;
  border-radius: 10px;
  font-size: 20px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav a:hover,
.nav a.active {
  color: var(--color-text);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero === */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.7) 40%, rgba(26, 115, 232, 0.45) 100%);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-light);
  background: rgba(212, 168, 67, 0.15);
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}

.text-accent {
  color: var(--color-accent-light);
  position: relative;
}

.text-accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(212, 168, 67, 0.2);
  border-radius: 4px;
  z-index: -1;
}

.hero-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-cta .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.hero-cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

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

.stat strong {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1.1;
}

.stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

/* Hero floating images */
.hero-visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-float-img {
  position: absolute;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 3px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
  animation: float 6s ease-in-out infinite;
}

.float-1 {
  top: 5%;
  right: 5%;
  width: 170px;
  height: 220px;
  animation-delay: 0s;
  z-index: 3;
}

.float-2 {
  top: 20%;
  left: 0;
  width: 200px;
  height: 150px;
  animation-delay: 2s;
  z-index: 2;
}

.float-3 {
  bottom: 5%;
  right: 15%;
  width: 180px;
  height: 200px;
  animation-delay: 4s;
  z-index: 1;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

.hero-wave path {
  fill: var(--color-bg);
}

/* === Services === */
.services {
  padding: 100px 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: default;
  padding: 0 0 28px;
}

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

.service-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  margin-bottom: 20px;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img img {
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 0 24px 10px;
  color: var(--color-text);
}

.service-card p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.65;
  margin: 0 24px;
}

/* === About === */
.about {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.about-content > p {
  font-size: 17px;
  color: var(--color-text-light);
  margin-bottom: 36px;
  line-height: 1.7;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-features li {
  display: flex;
  gap: 14px;
}

.check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(22, 163, 74, 0.12);
  color: var(--color-success);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  margin-top: 2px;
}

.about-features li div strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  display: block;
  margin-bottom: 2px;
}

.about-features li div p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.about-visual {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.about-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: 28px;
  right: -20px;
  background: #fff;
  padding: 18px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about-badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.about-badge-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
}

/* === Register Form === */
.register {
  padding: 100px 0;
  background: var(--color-bg);
}

.form-wrapper {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.form-wrapper .section-header {
  margin-bottom: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

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

/* === Contact === */
.contact {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

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

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info > p {
  font-size: 17px;
  color: var(--color-text-light);
  margin-bottom: 36px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.contact-method:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.cm-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.cm-whatsapp { background: rgba(37, 211, 102, 0.12); color: var(--color-whatsapp); }
.cm-call { background: rgba(26, 115, 232, 0.1); color: var(--color-primary); }
.cm-email { background: rgba(212, 168, 67, 0.12); color: var(--color-accent); }
.cm-location { background: rgba(239, 68, 68, 0.1); color: #ef4444; }

.contact-method strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.contact-method span {
  font-size: 14px;
  color: var(--color-text-light);
}

.contact-form-wrapper {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-form-wrapper .form-group {
  margin-bottom: 18px;
}

.contact-form-wrapper .btn {
  margin-top: 8px;
}

/* === Footer === */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 15px;
  color: #94a3b8;
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links a,
.footer-links span {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 14px;
  color: #94a3b8;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: #94a3b8;
  transition: color var(--transition);
}

.footer-social a:hover {
  color: #fff;
}

/* === Floating WhatsApp === */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition);
  animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 6px 36px rgba(37, 211, 102, 0.6); }
}

/* === Toast Notification === */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-bg-dark);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  background: var(--color-success);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    display: none;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    order: -1;
  }

  .about-image-placeholder {
    aspect-ratio: 16/9;
    max-height: 300px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

@media (max-width: 768px) {
  .header .container {
    height: 64px;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: 24px;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav.open {
    right: 0;
  }

  .nav a {
    font-size: 18px;
  }

  .hamburger {
    display: flex;
  }

  .btn-whatsapp-header {
    display: none;
  }

  .hero {
    padding: 110px 0 80px;
  }

  .hero-stats {
    gap: 28px;
  }

  .stat strong {
    font-size: 26px;
  }

  .hero-cta {
    flex-direction: column;
  }

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

  .form-wrapper {
    padding: 28px 20px;
  }

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

  .contact-form-wrapper {
    padding: 28px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-stats {
    gap: 20px;
    flex-wrap: wrap;
  }
}