/* ============================================================
   Getti.io — Modern Light SaaS Theme
   ============================================================ */

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

:root {
  --bg-primary: #ffffff;
  --bg-alt: #f7fafa;
  --surface: #ffffff;
  --surface-border: #e2e8f0;
  --surface-hover: rgba(0, 118, 129, 0.04);
  --accent: #007681;
  --accent-light: rgba(0, 118, 129, 0.08);
  --cta: #ff8562;
  --cta-hover: #e8734f;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

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

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

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

/* --- Container --- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: #005f68;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-cta {
  background: var(--cta);
  color: #ffffff;
  font-weight: 600;
  white-space: nowrap;
}

.btn-cta:hover {
  background: var(--cta-hover);
  box-shadow: 0 4px 16px rgba(255, 133, 98, 0.35);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s ease, padding 0.3s ease;
}

.header.scrolled {
  padding: 10px 0;
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

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

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links .btn {
  font-size: 0.8rem;
}

.nav-links .btn-primary {
  color: #ffffff;
}

.nav-links .btn-primary:hover {
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--surface-border);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.nav-links .btn-outline {
  color: var(--accent);
}

.nav-links .btn-outline:hover {
  color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

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

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

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

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 140px 0 80px;
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(0, 118, 129, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(0, 118, 129, 0.03) 0%, transparent 50%),
    var(--bg-primary);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-illustration img {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: block;
}

/* Signup Form */
.signup-form-inner {
  display: flex;
  gap: 8px;
  max-width: 440px;
}

.signup-form-inner input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.signup-form-inner input[type="email"]::placeholder {
  color: var(--text-muted);
}

.signup-form-inner input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-error {
  margin-top: 8px;
  font-size: 0.85rem;
  color: #e53e3e;
}

.form-success {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--text-primary);
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-light);
  margin-bottom: 20px;
}

.feature-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cta);
  background: rgba(255, 133, 98, 0.1);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-quote {
  color: var(--accent);
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--surface-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--surface-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  gap: 16px;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- CTA --- */
.section-cta {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 60% at 50% 100%, rgba(0, 118, 129, 0.05) 0%, transparent 60%),
    var(--bg-alt);
}

.cta-inner {
  max-width: 560px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.section-cta .signup-form-inner {
  max-width: 440px;
  margin: 0 auto;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--surface-border);
}

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

.footer-logo-img {
  height: 24px;
  width: auto;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   404 Page
   ============================================================ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-code {
  font-family: var(--font-heading);
  font-size: 8rem;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 8px;
}

.error-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 12px;
}

.error-text {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ============================================================
   Scroll Reveal Animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-illustration {
    order: -1;
  }

  .hero-illustration img {
    max-width: 320px;
  }

  .signup-form-inner {
    max-width: 100%;
    justify-content: center;
  }

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

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

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

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--surface-border);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
  }

  .nav-links.menu-open {
    right: 0;
  }

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

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

  .hero-illustration img {
    max-width: 260px;
  }

  .signup-form-inner {
    flex-direction: column;
  }

  .signup-form-inner input[type="email"],
  .signup-form-inner .btn {
    width: 100%;
  }

  .testimonial-card {
    padding: 28px 20px;
  }

  .footer-links {
    gap: 16px;
  }
}