/* Modern Minimal Design System - Sam Life Savers */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");

:root {
  /* Minimal Color Palette */
  --red: #dc2626;
  --red-light: #ef4444;
  --black: #000000;
  --white: #ffffff;
  --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;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-4: 1rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;
  --space-48: 12rem;
  --space-64: 16rem;
  --space-80: 20rem;
  --space-96: 24rem;

  /* Easing */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-in: cubic-bezier(0.42, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.58, 1);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-family);
  font-weight: 400;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--nav-height);
}

/* Modern Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family);
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin: 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 600;
}

p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0;
}

.text-large {
  font-size: 1.25rem;
  line-height: 1.6;
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Minimal Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 100;
  transition: all 0.3s var(--ease);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--gray-200);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--black);
  text-decoration: none;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--black);
}

.nav-cta {
  background: var(--red);
  color: var(--white);
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.2s var(--ease);
}

.nav-cta:hover {
  background: var(--red-light);
  transform: translateY(-1px);
}

/* Modern Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--red-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(220, 38, 38, 0.25);
}

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--gray-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--space-32) 0;
}

.section-large {
  padding: var(--space-48) 0;
}

.section-small {
  padding: var(--space-24) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-12);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.2) 100%
  );
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  color: var(--white);
  z-index: 1;
}

.hero-title {
  margin-bottom: var(--space-8);
}

.hero-subtitle {
  margin-bottom: var(--space-12);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: var(--space-12);
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  transition: all 0.3s var(--ease);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--gray-200);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-8);
  display: block;
}

.feature-title {
  margin-bottom: var(--space-4);
}

.feature-description {
  margin-bottom: var(--space-8);
}

/* Stats */
.stats {
  text-align: center;
  padding: var(--space-12) 0;
  background: var(--gray-50);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.stat {
  padding: var(--space-8);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--red);
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 1rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* Content Blocks */
.content-block {
  padding: var(--space-24) 0;
}

.content-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.content-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Minimal Footer */
.footer {
  background: var(--black);
  color: var(--white);
  padding: var(--space-32) 0 var(--space-16);
}

.footer-logo {
  transition: transform 0.2s var(--ease);
}

.footer-logo:hover {
  transform: translateY(-2px);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--space-4);
  font-size: 1rem;
  font-weight: 600;
}

.footer-section a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 2;
  transition: color 0.2s var(--ease);
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--black);
  padding: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s var(--ease);
}

.nav-toggle:hover {
  background-color: var(--gray-100);
}

/* Mobile only styles */
.mobile-only {
  display: none;
}

/* Hide mobile toggle by default */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--black);
  padding: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s var(--ease);
  z-index: 1001;
  position: relative;
}

.nav-toggle:hover {
  background-color: var(--gray-100);
}

.nav-toggle:focus {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    /* CRITICAL: Hide by default */
    display: none;
    /* Animation properties */
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
  }

  .nav-menu.active {
    /* CRITICAL: Show when active */
    display: flex;
    transform: translateY(0);
    opacity: 1;
    animation: slideInDown 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  }

  .nav-link {
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.2s var(--ease);
    text-align: center;
    border: 1px solid transparent;
  }

  .nav-link:hover {
    background: var(--gray-50);
    border-color: var(--gray-200);
  }

  .nav-cta {
    margin-top: 1rem;
    justify-content: center;
  }
}

/* Mobile menu animations */
@keyframes slideInDown {
  0% {
    transform: translateY(-20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideOutUp {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-20px);
    opacity: 0;
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .content-two-column {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: var(--space-24) 0;
  }

  .section-large {
    padding: var(--space-32) 0;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .container {
    padding: 0 1rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states */
button:focus,
a:focus {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}