/* ============================================
   SWIFT SITE SOLUTIONS - MONOCHROME DESIGN SYSTEM
   ============================================ */

/* Import Modern Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Colors - Monochrome Only */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-grey-50: #fafafa;
  --color-grey-100: #f5f5f5;
  --color-grey-200: #e5e5e5;
  --color-grey-300: #d4d4d4;
  --color-grey-400: #a3a3a3;
  --color-grey-500: #737373;
  --color-grey-600: #525252;
  --color-grey-700: #404040;
  --color-grey-800: #262626;
  --color-grey-900: #121212; /* Darker black for footer */

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  --font-size-6xl: 3.75rem;     /* 60px */
  --font-size-7xl: 4.5rem;      /* 72px */

  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Layout */
  --max-width: 1280px;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-grey-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

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

.text-center {
  text-align: center;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-black);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-grey-600);
}

.text-large {
  font-size: var(--font-size-xl);
  line-height: 1.7;
}

.text-small {
  font-size: var(--font-size-sm);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  background-color: var(--color-grey-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.btn-large {
  padding: var(--space-6) var(--space-12);
  font-size: var(--font-size-xl);
  font-weight: 800;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

.btn-outline:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-grey-800);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background-color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  padding: var(--space-6) 0;
  background-color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-grey-100);
}

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

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--color-black);
}

.logo-light {
  color: var(--color-grey-500);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav a:not(.btn) {
  font-weight: 500;
  color: var(--color-grey-600);
  font-size: var(--font-size-sm);
}

.main-nav a:not(.btn):hover,
.main-nav a.active {
  color: var(--color-black);
  font-weight: 700;
}

.btn-sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: all 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding: var(--space-12) 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-content-left {
  max-width: 600px;
  animation: slideRight 0.8s ease-out;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-grey-200);
  color: var(--color-grey-800);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  border-radius: var(--border-radius-sm);
}

.hero h1 {
  font-size: var(--font-size-6xl); /* Increased size */
  line-height: 1.3;
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.highlight-black {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 0 var(--space-2);
  display: inline-block;
  transform: skew(-2deg);
}

.hero-subline {
  font-size: var(--font-size-lg);
  color: var(--color-grey-600);
  margin-bottom: var(--space-10);
  line-height: 1.6;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.arrow {
  display: inline-block;
  transition: transform 0.2s;
  margin-left: var(--space-2);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-grey-800);
  font-weight: 600;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.check-icon {
  fill: var(--color-black);
}

.separator {
  color: var(--color-grey-300);
}

.hero-visual-right {
  position: relative;
  height: 100%;
  min-height: 500px;
  animation: fadeIn 1s ease-out 0.2s backwards;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-sm); /* Minimal radius as per ref */
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   WHY CHOOSE SECTION
   ============================================ */
.why-choose {
  background-color: var(--color-white);
}

.why-choose h2 {
  text-align: center;
  margin-bottom: var(--space-16);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.benefit-card {
  padding: var(--space-8);
  background-color: var(--color-grey-50);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-grey-200);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-grey-400);
}

.benefit-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.benefit-card p {
  font-size: var(--font-size-base);
  line-height: 1.7;
}

/* ============================================
   PACKAGES SECTION
   ============================================ */
.packages {
  background: linear-gradient(180deg, var(--color-grey-50) 0%, var(--color-white) 100%);
}

.packages h2 {
  text-align: center;
  margin-bottom: var(--space-16);
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  align-items: start;
}

.package-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-grey-200);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10);
  transition: all var(--transition-base);
  position: relative;
}

.package-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-grey-400);
}

.package-card.featured {
  border-color: var(--color-black);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.package-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.package-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.package-name {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.package-price {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-black);
  margin-bottom: var(--space-6);
}

.package-features {
  list-style: none;
  margin-bottom: var(--space-8);
}

.package-features li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-grey-200);
  color: var(--color-grey-700);
}

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

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  background-color: var(--color-white);
}

.services h2 {
  text-align: center;
  margin-bottom: var(--space-16);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.service-item {
  text-align: center;
  padding: var(--space-8);
  background-color: var(--color-grey-50);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.service-item:hover {
  background-color: var(--color-grey-100);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-4);
  background-color: var(--color-black);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  color: var(--color-white);
}

.service-item h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

/* ============================================
   WHO WE HELP SECTION
   ============================================ */
.who-we-help {
  background: linear-gradient(180deg, var(--color-grey-50) 0%, var(--color-white) 100%);
}

.who-we-help h2 {
  text-align: center;
  margin-bottom: var(--space-16);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.audience-block {
  background-color: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--color-grey-200);
  transition: all var(--transition-base);
}

.audience-block:hover {
  border-color: var(--color-black);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.audience-block h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.audience-block p {
  font-size: var(--font-size-base);
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-grey-900);
  color: var(--color-grey-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-section p,
.footer-section a {
  color: var(--color-grey-400);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

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

.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: var(--color-grey-800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-white);
  transform: translateY(-3px);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--color-grey-400);
}

.social-link:hover svg {
  fill: var(--color-black);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }

  .hero-content-left {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: var(--font-size-5xl);
  }

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

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

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

  .hero-visual-right {
    min-height: 400px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }

  .container {
    padding: 0 var(--space-4);
  }

  /* Mobile Navigation */
  .mobile-menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8);
    transition: right 0.3s ease-in-out;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 1000;
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav a {
    font-size: var(--font-size-xl) !important;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .section-large {
    padding: var(--space-16) 0;
  }

  .hero h1 {
    font-size: var(--font-size-4xl);
  }

  .hero-subline {
    font-size: var(--font-size-lg);
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }

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

  .package-card.featured {
    transform: scale(1);
  }

  .package-card.featured:hover {
    transform: translateY(-8px);
  }

  .benefits-grid,
  .services-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

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

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .btn-large {
    padding: var(--space-5) var(--space-8);
    font-size: var(--font-size-lg);
  }

  .hero-visual-right {
    min-height: 300px;
  }
}

/* ============================================
   EXPERIENCE SECTION (TIMELINE)
   ============================================ */
.experience {
  background: linear-gradient(180deg, var(--color-grey-50) 0%, var(--color-white) 100%);
}

.experience h2 {
  margin-bottom: var(--space-16);
}

.experience-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-left: 2px solid var(--color-grey-200);
  padding-left: var(--space-8);
}

.experience-item {
  position: relative;
  margin-bottom: var(--space-12);
}

.experience-item:last-child {
  margin-bottom: 0;
}

.experience-item::before {
  content: '';
  position: absolute;
  left: calc(var(--space-8) * -1 - 7px); /* Adjust for border width (2px) + padding (32px) + half circle (6px) - 1px tweak */
  top: 6px;
  width: 12px;
  height: 12px;
  background-color: var(--color-black);
  border-radius: 50%;
  border: 4px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-grey-200);
}

.experience-date {
  font-size: var(--font-size-sm);
  color: var(--color-grey-500);
  margin-bottom: var(--space-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.experience-content {
  background-color: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-grey-200);
  transition: all var(--transition-base);
}

.experience-content:hover {
  border-color: var(--color-grey-400);
  box-shadow: var(--shadow-lg);
  transform: translateX(5px);
}

.experience-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.experience-role {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-grey-700);
}

.experience-details {
  list-style-position: outside;
  margin-left: var(--space-4);
  color: var(--color-grey-600);
}

.experience-details li {
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .experience-timeline {
    border-left: none;
    padding-left: 0;
  }

  .experience-item::before {
    display: none;
  }
  
  .experience-content:hover {
    transform: translateY(-5px);
  }
}