/* 
  Manju Lodha - Personal Profile Website
  Foundational CSS System
*/

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --clr-ivory: #FCFBF9;
  --clr-ivory-dark: #F0EFE9;
  --clr-maroon: #6B2737;
  --clr-maroon-light: #8A3648;
  --clr-charcoal: #2B2B2B;
  --clr-text: #3A3A3A;
  --clr-gold: #D4AF37;
  --clr-beige: #E8E4D9;
  --clr-white: #FFFFFF;
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 8rem;

  /* Other */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
  --page-max-width: 1400px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--clr-ivory);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* --- Typography System --- */
h1, h2, h3, h4, .serif-heading {
  font-family: var(--font-serif);
  color: var(--clr-charcoal);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

.text-maroon { color: var(--clr-maroon); }
.text-gold { color: var(--clr-gold); }
.bg-maroon { background-color: var(--clr-maroon); color: var(--clr-ivory); }

.poetic-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  color: var(--clr-maroon);
}

.section-subtitle {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--clr-gold);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  display: block;
}

/* --- Layout & Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.asymmetrical-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 900px) {
  .asymmetrical-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
  .asymmetrical-grid.reverse {
    grid-template-columns: 7fr 5fr;
  }
}

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

/* Buttons & Links */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  background-color: var(--clr-maroon);
  color: var(--clr-ivory);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn:hover {
  background-color: var(--clr-charcoal);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--clr-maroon);
  border: 1px solid var(--clr-maroon);
}
.btn-outline:hover {
  background-color: var(--clr-maroon);
  color: var(--clr-ivory);
}

/* --- Access Gate --- */
#access-gate {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--clr-ivory) 0%, var(--clr-beige) 100%);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#access-gate.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.access-gate-inner {
  text-align: center;
  max-width: 400px;
  width: 90%;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-soft);
}

.access-gate-inner h2 {
  font-family: var(--font-serif);
  color: var(--clr-maroon);
  margin-bottom: var(--space-sm);
  font-size: 2rem;
}

.access-gate-inner p {
  color: var(--clr-charcoal);
  margin-bottom: var(--space-md);
}

.access-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.access-form input {
  padding: 1rem;
  border: 1px solid #ccc;
  background: var(--clr-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  text-align: center;
  transition: var(--transition-smooth);
  outline: none;
}
.access-form input:focus {
  border-color: var(--clr-maroon);
  box-shadow: 0 0 0 2px rgba(107, 39, 55, 0.1);
}

.access-form button {
  padding: 1rem;
  background: var(--clr-charcoal);
  color: var(--clr-ivory);
  border: none;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.access-form button:hover {
  background: var(--clr-maroon);
}

.access-error {
  color: #d93025;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  height: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}
.access-error.visible {
  opacity: 1;
}

/* Shake Animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  75% { transform: translateX(-5px); }
}
.shake {
  animation: shake 0.4s ease-in-out;
}

/* --- Global Components --- */

/* Navigation */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: var(--space-lg) var(--space-md);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-maroon);
  letter-spacing: 1px;
}
.site-nav {
  display: none;
}
@media (min-width: 992px) {
  .site-nav {
    display: flex;
    gap: var(--space-md);
  }
}
.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  transition: color 0.3s;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--clr-maroon);
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--clr-maroon);
  transition: width 0.3s;
}
.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: block;
  font-size: 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--clr-charcoal);
}
@media (min-width: 992px) {
  .menu-toggle { display: none; }
}

/* Footer */
.site-footer {
  background-color: var(--clr-charcoal);
  color: var(--clr-ivory);
  padding: var(--space-xl) var(--space-md) var(--space-md);
  text-align: center;
}

.footer-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.footer-brand h3 {
  color: var(--clr-gold);
  margin-bottom: var(--space-xs);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
}

.creaa-credit {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  width: 100%;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}
@media (min-width: 768px) {
  .creaa-credit {
    flex-direction: row;
    justify-content: space-between;
  }
}

.creaa-credit a {
  color: var(--clr-gold);
  transition: color 0.3s;
}
.creaa-credit a:hover {
  color: var(--clr-ivory);
}

/* Animations (Intersection Observer targets) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}