/**
 * Shri Jain Vidya Prasarak Mandal's Physiotherapy College
 * Main Stylesheet
 */

@import url('variables.css');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-canvas);
  color: var(--color-ink-primary);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

/* Accessible focus styling */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ==========================================================================
   Typography Rules
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink-primary);
  font-family: var(--font-heading, var(--font-sans));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

.display-title {
  font-family: var(--font-heading, var(--font-sans));
  font-size: var(--text-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.h1-title {
  font-family: var(--font-heading, var(--font-sans));
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.h2-title {
  font-family: var(--font-heading, var(--font-sans));
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.h3-title {
  font-family: var(--font-heading, var(--font-sans));
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.kicker {
  font-family: var(--font-sans);
  font-size: var(--text-kicker);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: var(--space-xs);
}

.kicker-sage {
  color: var(--color-ink-tertiary);
}

.lead-p {
  font-size: var(--text-body-lg);
  line-height: 1.65;
  color: var(--color-ink-secondary);
}

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

a:hover {
  color: var(--color-primary-hover);
}

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

/* ==========================================================================
   Container & Layout Grid
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

.container-narrow {
  max-width: var(--container-narrow);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

/* ==========================================================================
   Announcement Top Bar
   ========================================================================== */
.topbar {
  background-color: var(--color-primary);
  color: var(--color-ink-inverse);
  font-size: 13px;
  line-height: 1.4;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.topbar-notice {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-badge {
  background-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.topbar-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 500;
}

.topbar-link {
  color: var(--color-ink-inverse);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity var(--transition-fast);
}

.topbar-link:hover {
  color: #FFFFFF;
  opacity: 0.9;
}

/* ==========================================================================
   Main Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--color-bg-canvas);
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(242, 238, 228, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(18, 20, 18, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.brand-seal {
  height: 56px;
  width: auto;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.brand-identity:hover .brand-seal {
  transform: scale(1.03);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-college-name {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.1;
  color: var(--color-ink-primary);
  max-width: 290px;
}

.brand-trust-subtitle {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-tertiary);
  margin-top: 3px;
}

/* Desktop Primary Nav */
.primary-nav {
  display: none;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  font-weight: 600;
}

@media (min-width: 1080px) {
  .primary-nav {
    display: flex;
  }
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-ink-primary);
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.nav-link.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

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

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -12px;
  min-width: 240px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-card);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 110;
  border-radius: var(--radius-sm);
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 13.5px;
  color: var(--color-ink-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--color-bg-canvas);
  color: var(--color-primary);
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1.5px solid var(--color-border-subtle);
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--color-ink-primary);
}

@media (min-width: 1080px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* ==========================================================================
   Mobile Nav Drawer
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 20, 18, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--color-bg-canvas);
  padding: var(--space-md);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open .mobile-drawer-panel {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-md);
}

.mobile-drawer-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-ink-primary);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  font-size: 16px;
  font-weight: 600;
  display: block;
  padding: 8px 0;
  color: var(--color-ink-primary);
  border-bottom: 1px solid rgba(217, 211, 196, 0.5);
}

.mobile-sub-list {
  list-style: none;
  padding-left: 16px;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-sub-link {
  font-size: 14px;
  color: var(--color-ink-secondary);
}

/* ==========================================================================
   Hero Section & Editorial Layouts
   ========================================================================== */
.hero-section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

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

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: var(--space-xl);
  }
}

.hero-punchline {
  font-family: var(--font-serif);
  font-size: var(--text-display);
  line-height: 0.92;
  margin: var(--space-sm) 0 var(--space-md);
}

.hero-punchline span.highlight {
  color: var(--color-primary);
  font-style: italic;
}

.hero-visual-card {
  position: relative;
  background-color: var(--color-bg-dark);
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-visual-card:hover img {
  transform: scale(1.03);
}

.hero-visual-badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background-color: rgba(18, 20, 18, 0.85);
  backdrop-filter: blur(8px);
  color: var(--color-ink-inverse);
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Key Stats Ribbon */
.stats-ribbon {
  border-top: 1px solid var(--color-border-strong);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-top: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  divide-y: 1px solid var(--color-border-subtle);
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  padding: var(--space-md) var(--space-sm);
}

.stat-label {
  font-size: var(--text-kicker);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ink-secondary);
  margin-bottom: 4px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.05;
  color: var(--color-ink-primary);
}

/* Section Rhythm */
.section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.section-crimson {
  background-color: var(--color-primary);
  color: var(--color-ink-inverse);
}

.section-crimson h1,
.section-crimson h2,
.section-crimson h3 {
  color: var(--color-ink-inverse);
}

.section-crimson p {
  color: rgba(242, 238, 228, 0.9);
}

.section-surface {
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Editorial Numbered Step Blocks */
.numbered-step {
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-top: 1px solid var(--color-border-subtle);
}

.numbered-step:first-child {
  border-top: 1px solid var(--color-border-strong);
}

.step-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: 4px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-desc {
  font-size: 15px;
  color: var(--color-ink-secondary);
}

/* ==========================================================================
   Footer Component
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-ink-inverse-subtle);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  font-size: 14px;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer a {
  color: var(--color-ink-inverse-subtle);
}

.site-footer a:hover {
  color: #FFFFFF;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  }
}

.footer-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #FFFFFF;
  margin-bottom: var(--space-md);
}

.footer-college-name {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.1;
  color: #FFFFFF;
  margin: var(--space-sm) 0 var(--space-xs);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-officer-name {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 15px;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 13px;
  color: rgba(217, 211, 196, 0.7);
}

/* ==========================================================================
   Motion and Reduced Motion Accessibility
   ========================================================================== */
.reveal-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-fade-up.active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal-fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
}