/* ==========================================================================
   MARVELLE RENOVATIONS - KOT PROJECT EDITORIAL DESIGN SYSTEM
   Editorial, grid-based architectural layout & typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,600&family=Space+Mono:wght@400;700&display=swap');

/* --- CSS Variables & Tokens --- */
:root {
  --color-header-bg: #6c6f5c;   /* Earthy Olive / Muted Sage Header */
  --color-bg-light: #f6f4f0;    /* Alabaster / Clean Cream */
  --color-bg-card: #ffffff;     /* Pure Crisp White */
  --color-stone: #bab8a3;       /* Warm Stone Grey */
  --color-sand: #e0bdaa;        /* Muted Warm Sand */
  --color-terracotta: #c58c6e;  /* Earthy Terracotta */
  --color-accent-pink: #d81b60; /* KOT Accent Magenta/Pink */
  --color-text-main: #3a3833;   /* Deep Charcoal Taupe */
  --color-text-muted: #736e65;  /* Soft Muted Grey */
  --color-kot-grey: #ebe8e2;    /* KOT Contact Block Light Grey */
  --color-footer-dark: #2c2b26; /* Deep Dark Ground Footer */

  --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  --transition-fast: 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-smooth: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  
  --container-max: 1360px;
  --container-padding: 2.5rem;
  --border-hairline: 1px solid #dcd8cf;
}

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

html {
  font-family: var(--font-main);
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.65;
  overflow-x: hidden;
}

main { flex: 1; }

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

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

/* --- KOT Monospace Labels & Headings --- */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-text-main);
  text-transform: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.mono-subtext {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.pink-accent-link {
  color: var(--color-accent-pink);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  text-decoration: underline;
  display: inline-block;
  margin-top: 0.25rem;
  margin-bottom: 1.25rem;
}

.pink-accent-link:hover {
  color: #b01248;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-family: var(--font-mono); font-weight: 400; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }

p {
  font-size: 0.98rem;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: 4.5rem 0;
  border-bottom: var(--border-hairline);
}

/* --- KOT Header --- */
.site-header {
  background-color: var(--color-header-bg);
  padding: 1.1rem 0;
  position: relative;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 100%;
  max-width: 520px;
}

.brand-logo-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: #f1e4d3;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0;
  position: relative;
  opacity: 0.9;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-sand);
  opacity: 1;
}

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

.hamburger-box {
  width: 26px;
  height: 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-line {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-bg-light);
}

/* --- 1. KOT Hero Cover Banner --- */
.kot-hero {
  position: relative;
  width: 100%;
  min-height: 540px;
  height: 65vh;
  background: #1e2229 url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1920&q=85') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
}

.kot-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(28, 32, 38, 0.65);
}

.kot-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 0 1.5rem;
}

.kot-hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 400;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.btn-ghost-outline {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  color: #ffffff;
  font-family: var(--font-main);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.65rem 1.8rem;
  transition: all var(--transition-fast);
  margin-top: 1rem;
}

.btn-ghost-outline:hover {
  background: #ffffff;
  color: var(--color-text-main);
  border-color: #ffffff;
}

/* --- 2. KOT Asymmetrical Dual Grid ("Projects" | "Atelier") --- */
.kot-dual-header-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 3rem;
  align-items: flex-start;
  padding-top: 3rem;
}

.kot-column-header {
  border-bottom: 1px solid #d8d4cb;
  padding-bottom: 0.6rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.kot-grid-img-card {
  overflow: hidden;
  background-color: #eae6df;
  border: var(--border-hairline);
}

.kot-grid-img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

/* --- 3. KOT Centered Studio Statement --- */
.kot-studio-section {
  text-align: center;
  padding: 5rem 0;
  max-width: 680px;
  margin: 0 auto;
}

.kot-studio-title {
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 1rem;
  color: #2b2a27;
}

.kot-studio-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.read-more-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  text-decoration: underline;
}

.read-more-link:hover {
  color: var(--color-terracotta);
}

/* --- 4. KOT Full-Width Feature Photo Banner --- */
.kot-fullwidth-banner {
  width: 100%;
  height: 70vh;
  min-height: 480px;
  overflow: hidden;
  position: relative;
  border-top: var(--border-hairline);
  border-bottom: var(--border-hairline);
}

.kot-fullwidth-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* --- 5. KOT Dual Magazine & Gallery Grid --- */
.kot-editorial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 4.5rem 0;
}

/* --- 6. KOT Signature Clean Light-Grey Contact Section --- */
.kot-contact-block {
  background-color: var(--color-kot-grey);
  color: var(--color-text-main);
  padding: 5rem 0;
  border-top: var(--border-hairline);
}

.kot-contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 0.9fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.kot-contact-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.kot-contact-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.kot-form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid #b5b0a4;
  padding: 0.75rem 0;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  transition: border-color var(--transition-fast);
}

.kot-form-input:focus {
  outline: none;
  border-bottom-color: var(--color-text-main);
}

.kot-form-select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid #b5b0a4;
  padding: 0.75rem 0;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
}

.kot-form-select:focus {
  outline: none;
  border-bottom-color: var(--color-text-main);
}

.kot-submit-btn {
  background: #111111;
  color: #ffffff;
  border: none;
  padding: 0.75rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.kot-submit-btn:hover {
  background: var(--color-terracotta);
}

/* --- KOT Footer Bar --- */
.site-footer {
  background-color: var(--color-footer-dark);
  color: #dcd8cf;
  padding: 3rem 0 1.5rem 0;
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #9a958b;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .kot-dual-header-grid,
  .kot-editorial-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .kot-contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 840px) {
  .mobile-menu-toggle { display: block; }

  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background-color: var(--color-header-bg);
    padding: 6rem 2rem;
    transition: right var(--transition-smooth);
    z-index: 1050;
  }

  .site-nav.active { right: 0; }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.75rem;
  }
}