/* Ricci Consulting — institutional landing. Logo palette: teal #1F5F7C, charcoal #333, grey #8C8C8C */

:root {
  --color-primary: #1F5F7C;
  --color-primary-dark: #1a4f68;
  --color-charcoal: #333333;
  --color-grey: #8C8C8C;
  --color-grey-light: #e8e8e8;
  --color-white: #ffffff;
  --color-bg-alt: #f6f8f9;
  --max-width: 1120px;
  --radius: 0;
  --spacing-unit: 8px;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-charcoal);
  background: var(--color-white);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

/* Header — squared, minimal */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-grey-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-link:hover {
  text-decoration: none;
}

.logo {
  height: 56px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 4);
}

.nav a {
  color: var(--color-charcoal);
  font-weight: 500;
  font-size: 0.9375rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  text-decoration: none;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-charcoal);
}

/* Hero — full-width, squared overlay */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  margin-top: 88px;
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(31, 95, 124, 0.75) 0%, rgba(31, 95, 124, 0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  padding-top: calc(var(--spacing-unit) * 6);
  padding-bottom: calc(var(--spacing-unit) * 6);
}

.hero-title {
  margin: 0 0 calc(var(--spacing-unit) * 2);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  max-width: 16ch;
}

.hero-subtitle {
  margin: 0 0 calc(var(--spacing-unit) * 4);
  font-size: 1.125rem;
  opacity: 0.95;
  max-width: 42ch;
}

/* Sections — squared blocks */
.section {
  padding: calc(var(--spacing-unit) * 10) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  margin: 0 0 calc(var(--spacing-unit) * 2);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-charcoal);
}

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

.section-intro {
  margin: 0 0 calc(var(--spacing-unit) * 6);
  font-size: 1.125rem;
  color: var(--color-grey);
  max-width: 56ch;
}

/* Grid */
.grid {
  display: grid;
  gap: calc(var(--spacing-unit) * 4);
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

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

.gap-lg {
  gap: calc(var(--spacing-unit) * 6);
}

/* Cards — squared */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-grey-light);
  overflow: hidden;
}

.card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: calc(var(--spacing-unit) * 3);
}

.card-title {
  margin: 0 0 calc(var(--spacing-unit) * 1);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.card-body p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-charcoal);
}

/* Simple stat cards */
.cards-simple {
  margin-top: 0;
}

.card-simple {
  background: var(--color-white);
  border: 1px solid var(--color-grey-light);
  padding: calc(var(--spacing-unit) * 4);
  text-align: center;
}

.card-simple-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.card-simple-label {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-grey);
}

/* About block */
.about-section .about-image {
  border: 1px solid var(--color-grey-light);
  overflow: hidden;
}

.about-section .about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.about-content .section-title {
  margin-top: 0;
}

.about-content p {
  margin: 0 0 calc(var(--spacing-unit) * 2);
  color: var(--color-charcoal);
}

.about-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-charcoal);
}

.about-list li {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

/* CTA */
.cta-section {
  background: var(--color-primary);
  padding: calc(var(--spacing-unit) * 12) 0;
}

.cta-inner {
  text-align: center;
}

.cta-inner .section-title {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.cta-text {
  margin: 0 0 calc(var(--spacing-unit) * 4);
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background: var(--color-grey-light);
  border-color: var(--color-grey-light);
  color: var(--color-primary);
}

/* Contact form */
.contact-form-wrapper {
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-charcoal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form .btn-primary {
  align-self: flex-start;
  margin-top: calc(var(--spacing-unit) * 1);
}

.form-success {
  display: none;
  padding: calc(var(--spacing-unit) * 3);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  font-weight: 500;
}

.form-success.visible {
  display: block;
}

/* Footer */
.footer {
  background: var(--color-charcoal);
  color: var(--color-grey);
  padding: calc(var(--spacing-unit) * 5) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
}

.footer-logo {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 88px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: calc(var(--spacing-unit) * 3);
    border-bottom: 1px solid var(--color-grey-light);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle-open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle-open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-toggle span {
    transition: transform 0.2s, opacity 0.2s;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .about-section .grid-2 {
    grid-template-columns: 1fr;
  }

  .about-section .about-image {
    min-height: 240px;
  }
}