/* ============================================
   LIBATIONIST AGENCY
   Premium, dark, editorial design
   Mobile-first, cinematic on desktop
   ============================================ */

:root {
  /* Color Palette */
  --black: #0a0a0a;
  --charcoal: #1a1a1a;
  --charcoal-light: #2a2a2a;
  --warm-gray: #3a3632;
  --amber: #c9a227;
  --amber-light: #d4b85a;
  --cream: #f5f0e6;
  --cream-muted: #d4cfc5;
  --white: #ffffff;
  
  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --section-padding-mobile: 4rem 1.5rem;
  --section-padding-desktop: 8rem 4rem;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--cream);
  background-color: var(--black);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 2rem;
  color: var(--cream);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: 0.75rem;
  color: var(--cream);
}

p {
  margin-bottom: 1.25rem;
  color: var(--cream-muted);
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--amber-light);
}

/* Image Placeholders */
.image-placeholder,
.hero-image-placeholder,
.cta-image-placeholder,
.background-texture-placeholder {
  background-color: var(--charcoal);
  border: 1px dashed var(--warm-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
}

.placeholder-label {
  font-size: 0.75rem;
  color: var(--warm-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.5;
  max-width: 400px;
}

/* CTA Button */
.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: transparent;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
}

.cta-button:hover {
  background-color: var(--amber);
  color: var(--black);
}

/* ============================================
   SECTION 1: HERO
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image-placeholder,
.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-size: cover;
  background-position: center top;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(10, 10, 10, 0.95) 0%,
    rgba(10, 10, 10, 0.7) 50%,
    rgba(10, 10, 10, 0.4) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: var(--section-padding-mobile);
  max-width: 600px;
}

.brand-name {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.positioning {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--cream-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* ============================================
   SECTION 2: WHY WE EXIST
   ============================================ */

.why-we-exist {
  padding: var(--section-padding-mobile);
  background-color: var(--black);
}

.why-we-exist .container {
  max-width: 800px;
}

.philosophy p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.9;
}

.philosophy p:first-child {
  font-family: var(--font-sans);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 2rem;
}

/* ============================================
   SECTION 3: WHAT WE DO
   ============================================ */

.what-we-do {
  position: relative;
  padding: var(--section-padding-mobile);
  background-color: var(--charcoal);
}

.background-texture-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
}

.what-we-do .container {
  position: relative;
  z-index: 2;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 3rem;
}

.service h3 {
  color: var(--amber);
  font-size: 1.25rem;
}

.service p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ============================================
   SECTION 4: CASE STUDY - DCV
   ============================================ */

.case-study {
  background-color: var(--black);
}

.case-header-image {
  overflow: hidden;
}

.case-header-image .image-placeholder {
  width: 100%;
  min-height: 50vh;
}

.case-header-bg {
  width: 100%;
  min-height: 60vh;
  background-size: cover;
  background-position: center 20%;
  transform: scale(1.2);
  transform-origin: center 30%;
}

.case-study .container {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.case-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.case-study h2 {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.case-narrative {
  font-size: clamp(1rem, 2vw, 1.125rem);
  max-width: 800px;
}

.case-outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--charcoal-light);
  border-bottom: 1px solid var(--charcoal-light);
}

.outcome {
  text-align: center;
}

.outcome-number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.outcome-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cream-muted);
}

.case-image-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.case-image-row .image-placeholder,
.case-image-row .case-img {
  min-height: 250px;
}

.case-img {
  background-size: cover;
  background-position: center;
}

.case-footer-image {
  margin-top: 2rem;
}

.case-footer-image .image-placeholder,
.case-footer-image .case-img {
  min-height: 400px;
  background-position: center center;
}

@media (min-width: 768px) {
  .case-footer-image .case-img {
    min-height: 500px;
  }
}

/* ============================================
   SECTION 5: CLIENTS
   ============================================ */

.clients {
  padding: var(--section-padding-mobile);
  background-color: var(--charcoal);
}

.client-block {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--charcoal-light);
}

.client-block:first-of-type {
  border-top: none;
  padding-top: 0;
}

.client-info {
  margin-bottom: 2rem;
}

.client-info h3 {
  color: var(--cream);
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.client-info p {
  max-width: 600px;
}

.client-images {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.client-images .image-placeholder,
.client-images .client-img {
  min-height: 350px;
  background-size: cover;
  background-position: 65% center;
}

.client-images .client-img.press-clip {
  background-position: top center;
  background-size: contain;
  background-repeat: no-repeat;
  background-color: var(--charcoal);
  min-height: 350px;
}

.client-block.text-only {
  padding-bottom: 0;
}

/* ============================================
   SECTION 6: HOW WE WORK
   ============================================ */

.how-we-work {
  padding: var(--section-padding-mobile);
  background-color: var(--black);
}

.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.process-step h3 {
  color: var(--amber);
  margin-bottom: 1rem;
}

.process-step p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* ============================================
   SECTION 7: WHO WE'RE FOR
   ============================================ */

.who-were-for {
  padding: var(--section-padding-mobile);
  background-color: var(--charcoal);
}

.who-were-for .container {
  max-width: 800px;
}

.audience p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.8;
}

.audience .not-for {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--charcoal-light);
  font-style: italic;
  color: var(--warm-gray);
}

/* ============================================
   SECTION 8: FINAL CTA
   ============================================ */

.final-cta {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.cta-image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.85);
  z-index: 2;
}

.cta-content {
  position: relative;
  z-index: 3;
  padding: var(--section-padding-mobile);
  max-width: 600px;
}

.cta-content h2 {
  font-size: clamp(2.5rem, 7vw, 4rem);
  margin-bottom: 1.5rem;
}

.cta-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: 2rem;
  color: var(--cream-muted);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  padding: 2rem 1.5rem;
  background-color: var(--black);
  border-top: 1px solid var(--charcoal);
  text-align: center;
}

footer p {
  font-size: 0.75rem;
  color: var(--warm-gray);
  margin-bottom: 0;
  letter-spacing: 0.05em;
}

/* ============================================
   DESKTOP STYLES (768px+)
   ============================================ */

@media (min-width: 768px) {
  
  .container {
    padding: 0 3rem;
  }
  
  /* Hero */
  .hero-content {
    padding: var(--section-padding-desktop);
    padding-right: 2rem;
  }
  
  /* Sections */
  .why-we-exist,
  .what-we-do,
  .clients,
  .how-we-work,
  .who-were-for {
    padding: var(--section-padding-desktop);
  }
  
  /* Services Grid */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  
  /* Case Study */
  .case-study .container {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
  
  .case-image-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .case-image-row .image-placeholder {
    min-height: 300px;
  }
  
  /* Clients */
  .client-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  
  .client-block.text-only {
    grid-template-columns: 1fr;
  }
  
  .client-images {
    grid-template-columns: 1fr;
  }
  
  /* Process */
  .process {
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
  }
  
  /* CTA */
  .cta-content {
    padding: var(--section-padding-desktop);
  }
}

/* ============================================
   LARGE DESKTOP (1200px+)
   ============================================ */

@media (min-width: 1200px) {
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .client-images {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   TRANSITIONS & POLISH
   ============================================ */

section {
  opacity: 1;
}

/* Subtle fade for lazy-loaded images (add via JS) */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Selection */
::selection {
  background-color: var(--amber);
  color: var(--black);
}

/* Focus states for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

/* Smooth scroll offset for fixed headers (if added later) */
[id] {
  scroll-margin-top: 2rem;
}