/* ============================================
   PrimeOps Business Services — Design System
   Brand: #3D3B3A (charcoal) · Josefin Sans
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #3D3B3A;
  --color-primary-light: #5a5755;
  --color-primary-dark: #2a2827;
  --color-accent: #C9A96E;
  --color-accent-light: #d4bb8a;
  --color-accent-dark: #b08f52;
  --color-cream: #FAF8F5;
  --color-light-gray: #F0EEEB;
  --color-mid-gray: #E0DEDA;
  --color-text: #3D3B3A;
  --color-text-light: #6b6866;
  --color-white: #FFFFFF;

  --font-heading: 'Josefin Sans', sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  --shadow-sm: 0 2px 8px rgba(61, 59, 58, 0.06);
  --shadow-md: 0 4px 20px rgba(61, 59, 58, 0.10);
  --shadow-lg: 0 8px 40px rgba(61, 59, 58, 0.14);
  --shadow-xl: 0 16px 64px rgba(61, 59, 58, 0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --section-padding: 120px 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-cream);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: 0.06em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: 0.04em;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  letter-spacing: 0.03em;
}

h4 {
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 680px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}

.section-title {
  margin-bottom: 24px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.8;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  position: relative;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium);
}

.nav.scrolled {
  padding: 12px 0;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 20px rgba(61, 59, 58, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.nav-logo-img {
  height: 120px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter var(--transition-medium);
}

.nav.scrolled .nav-logo-img {
  filter: none;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-medium);
}

.nav.scrolled .nav-link {
  color: var(--color-text-light);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-medium);
}

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

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

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

.nav-cta-btn {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-accent);
  padding: 10px 28px;
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.nav-cta-btn:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav.scrolled .nav-toggle span {
  background: var(--color-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(61, 59, 58, 0.92) 0%,
    rgba(61, 59, 58, 0.75) 40%,
    rgba(61, 59, 58, 0.60) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero-logo {
  margin-bottom: 40px;
}

.hero-logo-img {
  height: clamp(100px, 15vw, 180px);
  width: auto;
  margin: 0 auto;
  filter: brightness(0) invert(1);
}

.hero-tagline {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  font-style: italic;
}

.hero-description {
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 48px;
}

.hero-sub-headline {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-accent);
  padding: 18px 44px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-cta:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201, 169, 110, 0.4);
}

.hero-cta-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  background: transparent;
  padding: 18px 44px;
  border-radius: 100px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-cta-secondary:hover {
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll-indicator span {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-white);
}

.hero-scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--section-padding);
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201, 169, 110, 0.15);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-text .section-subtitle {
  margin-bottom: 32px;
}

.about-highlight {
  background: var(--color-cream);
  border-left: 3px solid var(--color-accent);
  padding: 24px 28px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 32px;
}

.about-highlight p {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-primary);
  max-width: 100%;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  padding: var(--section-padding);
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.problem::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.08), transparent 70%);
}

.problem .section-label {
  color: var(--color-accent);
}

.problem .section-title {
  color: var(--color-white);
}

.problem .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 56px;
}

.problem-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.problem-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition-medium);
}

.problem-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 169, 110, 0.25);
  transform: translateY(-4px);
}

.problem-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(201, 169, 110, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent);
  font-size: 1.2rem;
}

.problem-item h4 {
  color: var(--color-white);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.problem-item p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  max-width: 100%;
}

/* ============================================
   CORE FOCUS SECTION
   ============================================ */
.core-focus {
  padding: var(--section-padding);
  background: var(--color-cream);
}

.core-focus-header {
  text-align: center;
  margin-bottom: 72px;
}

.core-focus-header .section-subtitle {
  margin: 0 auto;
}

.stages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.stage-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.stage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.stage-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(201, 169, 110, 0.2);
}

.stage-card:hover::before {
  opacity: 1;
}

.stage-number {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(201, 169, 110, 0.1);
  padding: 6px 16px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 24px;
}

.stage-card h3 {
  margin-bottom: 20px;
}

.stage-card > p {
  margin-bottom: 28px;
}

.stage-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stage-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.stage-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  min-width: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 8px;
}

/* ============================================
   ADDITIONAL SERVICES SECTION
   ============================================ */
.services {
  padding: var(--section-padding);
  background: var(--color-white);
  position: relative;
}

.services-header {
  text-align: center;
  margin-bottom: 72px;
}

.services-header .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  transition: all var(--transition-medium);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-accent);
  border-radius: 0 0 4px 0;
  transition: height var(--transition-medium);
}

.service-card:hover {
  background: var(--color-white);
  border-color: var(--color-mid-gray);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card:hover::before {
  height: 100%;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
}

.service-card:hover .service-icon {
  background: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.05);
}

.service-card h3 {
  margin-bottom: 14px;
  font-size: 1.25rem;
}

.service-card > p {
  margin-bottom: 24px;
  font-size: 0.92rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  background: var(--color-white);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition-fast);
}

.service-card:hover .service-tag {
  background: var(--color-cream);
}

/* ============================================
   WHO WE SERVE SECTION
   ============================================ */
.who-we-serve {
  padding: var(--section-padding);
  background: var(--color-cream);
  position: relative;
  overflow: hidden;
}

.who-we-serve-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.who-we-serve-text .section-subtitle {
  margin-bottom: 40px;
}

.client-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 48px;
}

.client-list li {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-light);
  padding-left: 20px;
  position: relative;
}

.client-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.who-we-serve-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.who-we-serve-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.who-we-serve-image:hover img {
  transform: scale(1.03);
}

/* ============================================
   WHY CHOOSE SECTION
   ============================================ */
.why-choose {
  padding: var(--section-padding);
  background: var(--color-white);
}

.why-choose-header {
  text-align: center;
  margin-bottom: 72px;
}

.why-choose-header .section-subtitle {
  margin: 0 auto;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 64px;
}

.reason-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-medium);
  background: var(--color-cream);
  border: 1px solid transparent;
}

.reason-card:hover {
  background: var(--color-white);
  border-color: var(--color-mid-gray);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.reason-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--color-white);
  transition: transform var(--transition-medium);
}

.reason-card:hover .reason-icon {
  transform: scale(1.1) rotate(5deg);
}

.reason-card h4 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.reason-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  max-width: 100%;
  margin: 0 auto;
}

.why-choose-quote {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 48px;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-mid-gray);
}

.why-choose-quote p {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-primary);
  font-style: italic;
  max-width: 100%;
  margin: 0 auto;
  line-height: 1.7;
}

.why-choose-quote .quote-mark {
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

/* ============================================
   SERVICE MODEL SECTION
   ============================================ */
.service-model {
  padding: var(--section-padding);
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.service-model::before {
  content: '';
  position: absolute;
  bottom: -300px;
  left: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.06), transparent 70%);
}

.service-model-header {
  text-align: center;
  margin-bottom: 72px;
}

.service-model-header .section-title {
  color: var(--color-white);
}

.service-model-header .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto;
}

.model-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.model-step {
  text-align: center;
  padding: 36px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
  position: relative;
}

.model-step:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-6px);
}

.model-step-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(201, 169, 110, 0.25);
  margin-bottom: 16px;
  display: block;
}

.model-step h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.model-step p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
  max-width: 100%;
}

/* ============================================
   CTA / PROMISE SECTION
   ============================================ */
.promise {
  position: relative;
  padding: var(--section-padding);
  overflow: hidden;
}

.promise-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.promise-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promise-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(61, 59, 58, 0.93) 0%,
    rgba(61, 59, 58, 0.85) 100%
  );
}

.promise-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.promise .section-label {
  color: var(--color-accent);
}

.promise .section-title {
  color: var(--color-white);
  margin-bottom: 28px;
}

.promise-text {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 auto 20px;
}

.promise-highlight {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--color-accent-light);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   CONTACT / FOOTER
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--color-cream);
}

.contact-header {
  text-align: center;
  margin-bottom: 64px;
}

.contact-header .section-subtitle {
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 72px;
}

.contact-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition-medium);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(201, 169, 110, 0.3);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.contact-card h4 {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  max-width: 100%;
}

.contact-card a {
  color: var(--color-accent-dark);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-card a:hover {
  color: var(--color-accent);
}

/* Footer */
.footer {
  background: var(--color-primary);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-info {
  text-align: center;
}

.footer-info p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
  max-width: 100%;
}

.footer-tagline {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(61, 59, 58, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links.open .nav-link {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
  }

  .nav-links.open .nav-cta-btn {
    margin-top: 16px;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .about-grid,
  .who-we-serve-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image {
    order: -1;
  }

  .stages-grid {
    grid-template-columns: 1fr;
  }

  .problem-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .model-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --section-padding: 64px 0;
  }

  .problem-items {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .reasons-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .reason-card {
    display: flex;
    text-align: left;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
  }

  .reason-icon {
    margin: 0;
    min-width: 48px;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }

  .model-timeline {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .model-step {
    text-align: left;
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .model-step-number {
    margin-bottom: 0;
    min-width: 48px;
    font-size: 1.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .about-image img {
    height: 280px;
  }

  .who-we-serve-image img {
    height: 320px;
  }

  .hero-scroll-indicator {
    display: none;
  }
}