/**
 * Wedding Website - Global Styles
 * Navigation, Footer, Base Typography, Layout
 */

/* ==================== RESET & BASE ==================== */

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--charcoal);
  position: relative;
  overflow-x: hidden;

  /* SIDE PATTERN CONFIGURATION */
  /* Adjust this value to resize the side patterns */
  --side-pattern-width: 100px;

  /* White column parameters */
  --white-column-width-mobile: 85vw;  /* Mobile: 85% of viewport */
  --white-column-width-desktop: 700px; /* Desktop: fixed 700px */

  /* Calculate edges of white column (which is centered) */
  /* Left edge = 50% - (width/2), Right edge = 50% + (width/2) */
  /* Mobile: 50% - 42.5% = 7.5%, and 50% + 42.5% = 92.5% */
  --white-left-edge: 7.5vw;   /* On mobile viewport */
  --white-right-edge: 92.5vw; /* On mobile viewport */

  /* Background: solid olive green */
  background-color: var(--olive-green);
}

/* Desktop: white column becomes 700px wide */
@media (min-width: 824px) {
  body {
    /* Recalculate edges for 700px centered column */
    /* Left edge = 50% - 350px, Right edge = 50% + 350px */
    --white-left-edge: calc(50vw - 350px);
    --white-right-edge: calc(50vw + 350px);
  }
}

/* White vertical column for content */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(85% + 200px);
  max-width: 900px;
  height: 100%;
  background: white;
  z-index: -1;
  pointer-events: none;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: var(--olive-green);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

ul {
  list-style: none;
}

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

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  color: var(--emerald-green);
  margin-bottom: var(--spacing-md);
}

/* Names use watercolor brush script */
h1 {
  font-family: var(--font-script);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-normal);
}

/* Section headers use all-caps serif with wide letter-spacing */
h2 {
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  text-transform: uppercase;
  letter-spacing: 0.25em;
}

h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
}

p {
  margin-bottom: var(--spacing-sm);
}

strong {
  font-weight: var(--font-weight-bold);
}

em {
  font-style: italic;
}

/* ==================== FONT WEIGHT UTILITIES ==================== */
/* Use these classes to apply different font weights inline */

.fw-light { font-weight: var(--font-weight-light); }    /* 300 */
.fw-normal { font-weight: var(--font-weight-normal); }  /* 400 */
.fw-medium { font-weight: var(--font-weight-medium); }  /* 500 */
.fw-semibold { font-weight: var(--font-weight-semibold); } /* 600 */
.fw-bold { font-weight: var(--font-weight-bold); }      /* 700 */

/* ==================== LAYOUT CONTAINERS ==================== */

.container {
  width: 85%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding-mobile);
}

@media (min-width: 768px) {
  .container {
    width: 85%;  /* Keep consistent with mobile */
    padding: 0 var(--container-padding-desktop);
  }
}

.section {
  padding: var(--spacing-xl) 0;
}

.section--large {
  padding: var(--spacing-xxl) 0;
}

/* ==================== NAVIGATION ==================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 85%;
  max-width: 900px;
  z-index: var(--z-sticky);
  transition: all var(--transition-medium);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@media (min-width: 768px) {
  .site-nav {
    width: 100%;
    max-width: 900px;
  }
}

.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-container {
  max-width: var(--container-max-width);
  width: 85%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem var(--container-padding-mobile);
  position: relative;
}

@media (min-width: 768px) {
  .nav-container {
    width: 100%;
    padding: 2.25rem 1.5rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    align-items: center;
    gap: 1rem;
  }
}

.nav-logo {
  display: block;
  margin-bottom: 0.875rem;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo img {
  height: 62px;
  width: auto;
  max-width: none;
  display: block;
}

@media (min-width: 768px) {
  .nav-logo {
    margin-bottom: 0;
    grid-column: 4;
    justify-self: center;
  }

  .nav-logo img {
    height: 72px;
    max-width: none;
  }
}

/* Desktop Navigation */
.nav-menu {
  display: none;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .nav-menu {
    display: contents;
  }

  .nav-menu--left li:nth-child(1) {
    grid-column: 1;
  }

  .nav-menu--left li:nth-child(2) {
    grid-column: 2;
  }

  .nav-menu--left li:nth-child(3) {
    grid-column: 3;
  }

  .nav-menu--right li:nth-child(1) {
    grid-column: 5;
  }

  .nav-menu--right li:nth-child(2) {
    grid-column: 6;
  }

  .nav-menu--right li:nth-child(3) {
    grid-column: 7;
  }

  .nav-menu li {
    display: flex;
    justify-content: center;
  }
}

.nav-menu a {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--charcoal);
  font-weight: 600;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: opacity var(--transition-fast);
  display: inline-block;
  min-width: 70px;
  text-align: center;
}

.nav-menu a:hover {
  opacity: 1;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--charcoal);
  transition: width var(--transition-medium);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-cta {
  background: transparent;
  color: var(--charcoal);
  padding: 0.4rem 0.6rem !important;
  border: 1px solid var(--charcoal);
  border-radius: 0;
  transition: all var(--transition-medium);
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

.nav-cta:hover {
  background: var(--olive-green);
  color: var(--cream);
  border-color: var(--olive-green);
  opacity: 1;
}

.nav-cta::after {
  display: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: var(--z-modal);
  position: absolute;
  top: var(--spacing-md);
  right: 0.01rem;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.hamburger,
.hamburger::before,
.hamburger::after {
  width: 28px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all var(--transition-medium);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.menu-toggle.active .hamburger {
  background: transparent;
}

.menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.active .hamburger::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(100%);
  width: 100%;
  max-width: 700px;
  height: 100vh;
  background: var(--cream);
  z-index: var(--z-fixed);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(-50%);
}

.mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: 100px var(--spacing-lg) var(--spacing-xl);
}

.mobile-menu-list a {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--charcoal);
  font-weight: 600;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--light-gray);
  transition: all var(--transition-fast);
}

.mobile-menu-list a:hover {
  opacity: 0.7;
  padding-left: var(--spacing-sm);
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none;
  }
}

/* ==================== FOOTER ==================== */

.site-footer {
  background: var(--off-white);
  padding: var(--spacing-xl) var(--container-padding-mobile) var(--spacing-lg);
  text-align: center;
  border-top: 1px solid var(--light-gray);
  margin-top: var(--spacing-xxl);
}

@media (min-width: 768px) {
  .site-footer {
    padding: var(--spacing-xl) var(--container-padding-desktop) var(--spacing-lg);
  }
}

.site-footer__content {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.site-footer__navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.site-footer__navigation a {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--medium-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.site-footer__navigation a:hover {
  opacity: 0.7;
}

.site-footer__divider {
  width: 80px;
  height: 1px;
  background: var(--light-gray);
  margin: var(--spacing-md) auto;
}

.site-footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--medium-gray);
  margin-bottom: var(--spacing-sm);
}

.site-footer__love {
  color: var(--coral-pink);
  font-family: var(--font-script);
  font-size: var(--font-size-lg);
  font-style: italic;
}

/* ==================== UTILITY CLASSES ==================== */

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

.text-coral {
  color: var(--coral-pink);
}

.text-green {
  color: var(--emerald-green);
}

.text-muted {
  color: var(--medium-gray);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}