/* Deep Keep Institute - Main Stylesheet */

/* ===== CSS VARIABLES ===== */
:root {
  /* Color Palette */
  --neutral-white: #FFFFFF;
  --neutral-gray: #2C3E50;
  --light-gray: #F8F9FA;
  --border-gray: #E9ECEF;
  
  /* Typography */
  --font-display: 'Bebas Neue', Impact, 'Arial Black', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  
  /* Layout */
  --container-max-width: 1040px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

/* Force light mode - disable dark mode */
:root {
  color-scheme: light;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral-white);
  background-color: var(--neutral-gray);
  color-scheme: light;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-md) 0;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; text-align: center; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin: 0 0 var(--space-md) 0;
}

a {
  color: var(--riso-medium-blue);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--riso-bright-red);
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 20vh;
  display: flex;
  align-items: center;
  color: var(--neutral-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Ensure hero content stays above slideshow */
.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  color: var(--neutral-white);
}

.hero-tagline {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  opacity: 0.9;
}

.hero-subtitle {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  opacity: 0.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-2xl) 0;
}

.auth {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.auth-card {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

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

.auth-form {
  display: grid;
  gap: var(--space-sm);
}

.auth-label span {
  display: block;
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 6px;
}

.auth-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.25);
  color: var(--neutral-white);
  font-size: 1rem;
}

.auth-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.35);
}

.auth-button {
  padding: 12px 14px;
  border-radius: 10px;
  border: 0;
  background: rgba(255, 255, 255, 0.18);
  color: var(--neutral-white);
  font-weight: 600;
  cursor: pointer;
}

.auth-button:hover {
  background: rgba(255, 255, 255, 0.26);
}

.auth-error {
  margin: 0 0 var(--space-sm) 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 80, 80, 0.18);
  border: 1px solid rgba(255, 80, 80, 0.35);
}

.admin-shell {
  min-height: 60vh;
  display: flex;
  align-items: flex-start;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.admin-title {
  margin: 0;
}

.admin-logout-form {
  margin: 0;
}

.admin-logout {
  display: inline-block;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.10);
  color: var(--neutral-white);
  cursor: pointer;
  font: inherit;
}

.admin-logout:hover {
  background: rgba(255, 255, 255, 0.18);
}

.admin-body {
  padding: var(--space-lg) 0;
}

.admin-greeting {
  font-size: 1.25rem;
  margin: 0;
}

.section-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.lead-text {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  color: var(--neutral-gray);
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-md) auto;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--neutral-gray);
}

.section-small-text {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl) auto;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--neutral-gray);
}