/* ================================================================
   Ambula Landing Page Styles
   Brand color: #ff3b5c — Fonts: Outfit (headings) + DM Sans (body)
   ================================================================ */

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

:root {
  --primary-50: #fff0f3;
  --primary-100: #ffe1e7;
  --primary-200: #ffc8d4;
  --primary-300: #ff9fb2;
  --primary-400: #ff6b8a;
  --primary-500: #ff3b5c;
  --primary-600: #ed1c47;
  --primary-700: #c8103a;
  --primary-800: #a61136;
  --primary-900: #8c1334;
  --primary-950: #4d0517;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

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

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

.hidden {
  display: none !important;
}

/* --- Container --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-500);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(255, 59, 92, 0.3);
}

.btn-primary:hover {
  background: var(--primary-600);
  box-shadow: 0 4px 12px rgba(255, 59, 92, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
}

.btn-ghost:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-img {
  height: 30px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--gray-900);
}

.nav-links .nav-cta {
  padding: 10px 20px;
  background: var(--primary-500);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-links .nav-cta:hover {
  background: var(--primary-600);
  color: var(--white);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* --- Hero --- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-screenshot {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.hero-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

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

.section-alt {
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* --- Benefits --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefit-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.benefit-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  border-radius: var(--radius-sm);
  color: var(--primary-500);
  margin-bottom: 20px;
}

.benefit-icon svg {
  width: 22px;
  height: 22px;
}

.benefit-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-500);
}

/* --- Steps (How it works) --- */
.steps {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 48px;
  bottom: 48px;
  width: 2px;
  background: var(--primary-200);
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr 80px;
  gap: 24px;
  align-items: start;
  padding: 24px 0;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-500);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
  margin-top: 10px;
}

.step-content p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-500);
}

.step-icon {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 4px;
}

.step-icon svg {
  width: 48px;
  height: 48px;
}

/* --- Screenshot Showcase --- */
.screenshot-showcase {
  margin-top: 60px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.screenshot-showcase img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-item {
  padding: 28px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: all var(--transition);
}

.feature-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  border-radius: var(--radius-sm);
  color: var(--primary-500);
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-500);
}

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

.integration-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

.integration-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.integration-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.integration-logo svg {
  width: 56px;
  height: 56px;
}

.integration-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.integration-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-500);
}

/* --- Contact --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group label span {
  color: var(--primary-500);
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-400);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(255, 59, 92, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

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

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  margin-top: 8px;
}

.contact-info {
  padding-top: 16px;
}

.contact-info-block {
  padding: 28px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-100);
}

.contact-info-block h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: 14px;
  transition: color var(--transition);
}

.phone-link:hover {
  color: var(--primary-700);
}

.phone-link svg {
  color: var(--primary-500);
  flex-shrink: 0;
}

.contact-info-block p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-600);
}

/* --- Form Success --- */
.form-success {
  display: none;
  padding: 60px 0;
  text-align: center;
}

.form-success.visible {
  display: block;
}

.success-inner {
  padding: 48px;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  max-width: 500px;
  margin: 0 auto;
}

.success-inner svg {
  color: var(--primary-500);
  margin: 0 auto 16px;
}

.success-inner h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.success-inner p {
  font-size: 15px;
  color: var(--gray-500);
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 64px 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo-img {
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-size: 14px;
  color: var(--gray-400);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 140px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-500);
}

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

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

.benefits-grid .fade-in:nth-child(2),
.features-grid .fade-in:nth-child(2),
.integrations-grid .fade-in:nth-child(2) {
  transition-delay: 0.1s;
}

.benefits-grid .fade-in:nth-child(3),
.features-grid .fade-in:nth-child(3),
.integrations-grid .fade-in:nth-child(3) {
  transition-delay: 0.2s;
}

.benefits-grid .fade-in:nth-child(4),
.features-grid .fade-in:nth-child(4) {
  transition-delay: 0.3s;
}

.features-grid .fade-in:nth-child(5) {
  transition-delay: 0.15s;
}

.features-grid .fade-in:nth-child(6) {
  transition-delay: 0.25s;
}

.steps .fade-in:nth-child(2) {
  transition-delay: 0.15s;
}

.steps .fade-in:nth-child(3) {
  transition-delay: 0.3s;
}

/* --- Focus styles for accessibility --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-screenshot {
    max-width: 480px;
  }

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

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

  .footer-inner {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 24px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--gray-50);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .section {
    padding: 72px 0;
  }

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

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

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

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

  .steps::before {
    display: none;
  }

  .step {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }

  .step-icon {
    display: none;
  }

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

  .contact-form {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

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

  .hero {
    padding: 110px 0 48px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .benefit-card {
    padding: 24px;
  }

  .section-header h2 {
    font-size: 24px;
  }

  .phone-link {
    font-size: 20px;
  }
}