/* ===== Variables ===== */
:root {
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-primary-light: #14b8a6;
  --color-accent: #f59e0b;
  --color-bg: #f8fafc;
  --color-bg-alt: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  padding-top: 120px; 
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  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(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.logo-icon {
  color: var(--color-primary);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(13, 148, 136, 0.08);
}

.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */

.hero {
    min-height: 90vh;
    background:
        linear-gradient(
            rgba(0,0,0,0.45),
            rgba(0,0,0,0.45)
        ),
        url("../images/banner.jpg");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    display: flex;
    align-items: center;
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(13, 148, 136, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, #f0fdfa 0%, var(--color-bg) 100%);
  z-index: -1;
}


.badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-text p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 32px;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.hero-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: transform var(--transition);
}

.hero-card:hover {
  transform: translateY(-4px);
}

.hero-card:first-child {
  grid-column: 1 / -1;
}

.hero-card-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border: none;
}

.hero-card-accent p { opacity: 0.85; }

.hero-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.hero-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

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

.hero-card-accent p { color: rgba(255,255,255,0.85); }

/* ===== Features ===== */
.features {
  padding: 0 0 40px;
  margin-top: -20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature {
  background: var(--color-bg-alt);
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
}

.feature:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== Sections ===== */
.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ===== Services ===== */
.services { background: var(--color-bg-alt); }

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

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.price-card {
  position: relative;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}

.price-card:hover {
  box-shadow: var(--shadow-md);
}

.price-card-popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.price-header h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.price-header p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
}

.price-amount .currency {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.price-amount .amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.price-amount .period {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.price-features {
  margin-bottom: 28px;
}

.price-features li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

.price-features li:last-child { border-bottom: none; }

.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-note {
  text-align: center;
  margin-top: 40px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== Testimonials ===== */
.testimonials { background: var(--color-bg-alt); }

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

.testimonial {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.stars {
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.7;
}

.testimonial footer strong {
  display: block;
  font-size: 0.95rem;
}

.testimonial footer span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

.contact-details li {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 148, 136, 0.1);
  border-radius: 12px;
}

.contact-details strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-details a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.error-msg {
  display: block;
  font-size: 0.8rem;
  color: #ef4444;
  margin-top: 6px;
  min-height: 1.2em;
}

.form-success {
  margin-top: 16px;
  padding: 16px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-primary-dark);
  border-radius: 10px;
  font-weight: 500;
  text-align: center;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-primary-light); }

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card-popular { transform: none; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open .nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .hero-stats { gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .contact-form { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}