/* ==========================================================================
   ARAKAWA DŌJŌ HAMBURG • THE FRAME STUDIO EDITION
   High-End Boutique Studio Aesthetic for Mindful Japanese Karatedo
   Inspiration: theframe-studio.de • 100% DSGVO-konform (lokale Schriften)
   Akzentfarbe: Arakawa Indigo Blue (#1B3A65) aus dem Vereinslogo
   ========================================================================== */

:root {
  /* Warm Organic Canvas */
  --c-bg: #F4F2EF;              /* Warmes Leinen / sanftes Greige */
  --c-bg-alt: #EAE6E1;          /* Etwas dunkleres Greige */
  --c-surface: #FFFFFF;         /* Reinweiß */
  --c-card-sand: #D5CEBE;       /* Warmer Hafer- / Sandton für Kartenunterseiten */
  --c-card-sand-light: #E4DFD2; /* Hellerer Sandton */
  
  /* Singular Signature Accent: Das Blau aus dem Arakawa-Logo */
  --c-blue: #1B3A65;            /* Arakawa Indigo Blue (RGB 27, 58, 101) */
  --c-blue-hover: #122849;      /* Tiefes Nacht-Navy */
  --c-blue-dark: #0D1C30;       /* Tiefstes Mitternachts-Indigo */
  --c-blue-subtle: #EDF3F8;     /* Zarter Blauschimmer */
  --c-blue-border: #C2D2E4;     /* Edler zarter Blausaum */
  
  --c-text-main: #1E1E1E;       /* Tiefes Anthrazit-Schwarz */
  --c-text-muted: #65615D;      /* Warmes Taupe-Grau */
  --c-text-light: #9B9691;      /* Helles Begleitgrau */
  --c-border-subtle: #D8D2CA;   /* Zarte Haarlinien */
  --c-border-strong: #1B3A65;   /* Markantere Trennlinie */

  /* Typography */
  --font-serif: "Italiana", "Cormorant Garamond", "Playfair Display", "Didot", "Bodoni MT", "Times New Roman", serif;
  --font-sans: "Futura", "Avenir", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Transitions */
  --t-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--c-bg);
  color: var(--c-text-main);
}

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

/* CONTAINER */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   1. TOP ANNOUNCEMENT BAR
   ========================================================================== */
.top-bar {
  background-color: var(--c-blue);
  color: #FFFFFF;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.65rem 1rem;
  text-align: center;
  font-weight: 500;
}

.top-bar a {
  color: #FFFFFF;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.2s;
}

.top-bar a:hover {
  opacity: 0.85;
}

.top-bar-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.top-bar a:hover .top-bar-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   2. MAIN NAVIGATION (AIRY BOUTIQUE HEADER)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(244, 242, 239, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border-subtle);
  transition: var(--t-smooth);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--c-text-main);
  flex-shrink: 0;
}

.brand-logo-img {
  height: 28px;
  width: auto;
  display: block;
  border-radius: 2px;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--c-text-main);
  white-space: nowrap;
}

.brand-affiliation {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-blue);
  font-weight: 600;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.8vw, 2.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-main);
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background-color: var(--c-blue);
  transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta-btn {
  background-color: var(--c-blue);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: 0;
  white-space: nowrap;
  transition: var(--t-smooth);
  display: inline-block;
  flex-shrink: 0;
}

.nav-cta-btn:hover {
  background-color: var(--c-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(27, 58, 101, 0.25);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--c-text-main);
  margin: 5px 0;
  transition: 0.3s;
}

/* ==========================================================================
   3. HERO SECTION (HIGH-KEY LIGHT ATMOSPHERE)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(88vh - 76px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1.5rem;
  background-color: var(--c-bg);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(244, 242, 239, 0.75) 0%, rgba(244, 242, 239, 0.96) 85%),
    url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.45;
  filter: grayscale(40%) contrast(90%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.location-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-blue);
  font-weight: 600;
  margin-bottom: 2rem;
  padding: 0.4rem 1.1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--c-blue-border);
}

.location-pill .divider {
  opacity: 0.35;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--c-text-main);
  margin-bottom: 1.5rem;
}

.hero-subhead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--c-text-muted);
  font-weight: 300;
  letter-spacing: 0.04em;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* BUTTON SYSTEMS */
.btn-primary {
  background-color: var(--c-blue);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1rem 2.2rem;
  border: 1px solid var(--c-blue);
  border-radius: 0;
  cursor: pointer;
  transition: var(--t-smooth);
  display: inline-block;
}

.btn-primary:hover {
  background-color: var(--c-blue-hover);
  border-color: var(--c-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(27, 58, 101, 0.25);
}

.btn-outline {
  background-color: transparent;
  color: var(--c-text-main);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1rem 2.2rem;
  border: 1px solid var(--c-text-main);
  border-radius: 0;
  cursor: pointer;
  transition: var(--t-smooth);
  display: inline-block;
}

.btn-outline:hover {
  background-color: var(--c-text-main);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================================
   4. STATEMENT BANNER (SIGNATURE ARAKAWA INDIGO BLUE)
   ========================================================================== */
.statement-banner {
  background-color: var(--c-blue);
  color: #FFFFFF;
  padding: 4.5rem 1.5rem;
  text-align: center;
}

.statement-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 0.75rem;
  color: #FFFFFF;
}

.statement-sub {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 300;
  opacity: 0.88;
  margin-bottom: 2rem;
}

.btn-light-solid {
  background-color: #FFFFFF;
  color: var(--c-blue);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.85rem 2.2rem;
  border: none;
  border-radius: 0;
  transition: var(--t-smooth);
  display: inline-block;
}

.btn-light-solid:hover {
  background-color: #F8F9FB;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   5. TWO-TONE CLASS CARDS SECTION (THE FRAME CORE ARCHITECTURE)
   ========================================================================== */
.section-classes {
  padding: 6rem 1.5rem;
  background-color: var(--c-bg);
}

.section-head-editorial {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-blue);
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.section-heading-serif {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--c-text-main);
  margin-bottom: 0.6rem;
}

.section-subline {
  font-size: 0.95rem;
  color: var(--c-text-muted);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.class-card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-card-sand);
  overflow: hidden;
  transition: var(--t-smooth);
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(27, 58, 101, 0.1);
}

.card-media-box {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  background-color: #DDD8D0;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.class-card:hover .card-img {
  transform: scale(1.04);
}

.card-content-sand {
  padding: 2.25rem 2rem 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
}

.card-level-badge {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-blue);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  letter-spacing: 0.06em;
  color: var(--c-text-main);
  margin-bottom: 1rem;
  font-weight: 400;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--c-text-main);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  max-width: 440px;
  font-weight: 300;
}

.card-readmore {
  background: none;
  border: none;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--c-text-main);
  cursor: pointer;
  margin-bottom: 1.75rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn-card-action {
  background-color: var(--c-blue);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.85rem 2.2rem;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: var(--t-smooth);
}

.btn-card-action:hover {
  background-color: var(--c-blue-hover);
  box-shadow: 0 4px 12px rgba(27, 58, 101, 0.25);
}

/* ==========================================================================
   6. TRAINER & TOKIO LINEAGE (EDITORIAL CIRCLES)
   ========================================================================== */
.section-trainers {
  padding: 6rem 1.5rem;
  background-color: var(--c-bg-alt);
  border-top: 1px solid var(--c-border-subtle);
  border-bottom: 1px solid var(--c-border-subtle);
}

.trainers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 980px;
  margin: 0 auto;
}

.trainer-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--c-border-subtle);
}

.trainer-avatar-wrap {
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--c-blue);
  background-color: #DDD8D0;
}

.trainer-avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trainer-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--c-text-main);
  margin-bottom: 0.35rem;
}

.trainer-rank-pill {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
}

.trainer-bio {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 1.25rem;
  font-weight: 300;
}

.trainer-badge-line {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-blue);
  font-weight: 700;
  text-transform: uppercase;
}

/* Lineage Banner */
.lineage-banner-box {
  margin-top: 4rem;
  padding: 2.5rem;
  text-align: center;
  background-color: #FFFFFF;
  border: 1px solid var(--c-blue-border);
  max-width: 980px;
  margin-inline: auto;
}

.lineage-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  color: var(--c-blue);
}

.lineage-text {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto;
}

/* ==========================================================================
   7. SCHEDULE & STUDIO OVERVIEW (MINIMALIST TABLE)
   ========================================================================== */
.section-schedule {
  padding: 6rem 1.5rem;
  background-color: var(--c-bg);
}

.schedule-card-container {
  max-width: 860px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--c-border-subtle);
  overflow: hidden;
}

.schedule-row {
  display: grid;
  grid-template-columns: 140px 1fr 180px;
  align-items: center;
  padding: 1.4rem 2rem;
  border-bottom: 1px solid var(--c-border-subtle);
  gap: 1.5rem;
}

.schedule-row:last-child {
  border-bottom: none;
}

.schedule-day {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--c-text-main);
}

.schedule-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.schedule-class-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-text-main);
  letter-spacing: 0.04em;
}

.schedule-room {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.schedule-time-badge {
  text-align: right;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--c-blue);
  text-transform: uppercase;
}

/* ==========================================================================
   8. PHILOSOPHY & VOUCHER BANNER (DEEP INDIGO BAND)
   ========================================================================== */
.taupe-banner-section {
  background-color: var(--c-blue-dark);
  color: #FFFFFF;
  padding: 5.5rem 1.5rem;
}

.taupe-banner-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.taupe-banner-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.taupe-banner-text p {
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 2rem;
  font-weight: 300;
}

.taupe-floating-card {
  background: #FFFFFF;
  color: var(--c-text-main);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  transform: rotate(1.5deg);
}

.voucher-kanji {
  font-size: 2.2rem;
  color: var(--c-blue);
  margin-bottom: 0.5rem;
}

.voucher-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.voucher-sub {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   9. GET IN TOUCH / PROBETRAINING (MINIMALIST LINE FORM)
   ========================================================================== */
.section-contact {
  padding: 6rem 1.5rem;
  background-color: var(--c-bg);
}

.contact-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.contact-info-col h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.contact-address-box {
  margin-top: 2rem;
  font-style: normal;
  line-height: 1.8;
  color: var(--c-text-muted);
}

.contact-address-box strong {
  color: var(--c-text-main);
  font-size: 1.05rem;
}

.contact-form-col {
  background: #FFFFFF;
  padding: 3rem 2.5rem;
  border: 1px solid var(--c-border-subtle);
}

.form-group-line {
  margin-bottom: 2rem;
}

.form-group-line label {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.form-input-line {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--c-border-subtle);
  padding: 0.6rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--c-text-main);
  background: transparent;
  outline: none;
  transition: border-color 0.2s;
}

.form-input-line:focus {
  border-bottom-color: var(--c-blue);
}

.form-checkbox-line {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.form-checkbox-line input[type="checkbox"] {
  accent-color: var(--c-blue);
  margin-top: 0.2rem;
}

/* ==========================================================================
   10. FOOTER (CLEAN EDITORIAL DIRECTORY)
   ========================================================================== */
.site-footer {
  background-color: #E6E2DC;
  border-top: 1px solid var(--c-border-subtle);
  padding: 5rem 1.5rem 3rem;
  color: var(--c-text-main);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col-brand .f-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col-brand p {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: var(--c-blue);
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  text-decoration: none;
  color: var(--c-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--c-blue);
}

.footer-bottom-bar {
  border-top: 1px solid var(--c-border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
}

.footer-bottom-bar a {
  color: var(--c-text-main);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   11. MODAL (TRIAL BOOKING / PROBETRAINING)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(13, 28, 48, 0.65);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--t-smooth);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #FFFFFF;
  max-width: 580px;
  width: 100%;
  padding: 3rem 2.5rem;
  position: relative;
  border: 1px solid var(--c-border-subtle);
  transform: translateY(20px);
  transition: var(--t-smooth);
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--c-text-muted);
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: var(--c-text-main);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--c-blue);
}

.modal-subtext {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ==========================================================================
   12. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .classes-grid {
    grid-template-columns: 1fr;
    max-width: 580px;
    margin: 0 auto;
  }
  .trainers-grid {
    grid-template-columns: 1fr;
  }
  .taupe-banner-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .taupe-floating-card {
    transform: none;
    max-width: 440px;
    margin: 0 auto;
  }
  .contact-split-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta-btn {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .schedule-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.25rem 1.5rem;
  }
  .schedule-time-badge {
    text-align: left;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
  }
}