/* ========================================
   MedBuzz Marketing — Stylesheet v2
   Warmer, editorial design direction
   ======================================== */

/* --- Variables --- */
:root {
  --color-primary-dark: #1C1E2A;
  --color-primary-dark-soft: #252838;
  --color-accent: #D4A520;
  --color-accent-hover: #B8860B;
  --color-accent-light: rgba(212, 165, 32, 0.12);
  --color-bg-warm: #FAF7F2;
  --color-bg-cream: #F3EEE6;
  --color-text-on-dark: #EDE8DF;
  --color-text-on-light: #2C2C35;
  --color-text-muted: #6B6A72;
  --color-white: #FFFFFF;
  --color-border: #DDD8CE;
  --color-error: #C0392B;
  --color-success: #27AE60;
  --font-heading: 'DM Serif Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-accent: 'Newsreader', serif;
  --container-max: 920px;
  --nav-height: 95px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-text-on-light);
  background-color: var(--color-bg-warm);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}

/* --- Section Spacing --- */
.problem,
.services,
.work,
.about,
.contact {
  padding: 96px 0;
}

/* --- Typography --- */
.section-heading {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
  max-width: 600px;
  line-height: 1.7;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 116px;
  width: auto;
}

.nav-wordmark {
  display: none;
}

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

.nav-link {
  color: var(--color-text-on-light);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

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

.nav-cta {
  display: inline-block;
  padding: 10px 24px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 50px;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--color-accent-hover);
}

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

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-on-light);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ========================================
   Hero
   ======================================== */
.hero {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  padding-top: calc(var(--nav-height) + 120px);
  padding-bottom: 120px;
  text-align: center;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 400;
  line-height: 1.2;
  max-width: 680px;
  margin: 0 auto 24px;
  letter-spacing: -0.01em;
}

.hero-subheadline {
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 44px;
  color: rgba(237, 232, 223, 0.75);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  padding: 16px 36px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* ========================================
   Problem
   ======================================== */
.problem {
  background: var(--color-bg-warm);
}

.problem-content {
  max-width: 680px;
}

.pull-quote {
  position: relative;
  padding-left: 28px;
  border-left: 3px solid var(--color-accent);
  margin-bottom: 28px;
}

.pull-quote p {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.65rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-on-light);
}

.problem-body {
  color: var(--color-text-muted);
  line-height: 1.8;
  padding-left: 28px;
}

/* ========================================
   Services
   ======================================== */
.services {
  background: var(--color-bg-cream);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.service-card {
  position: relative;
  padding: 44px 36px 36px;
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-text-on-light);
}

.service-card--offset {
  transform: translateY(48px);
}

.service-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 400;
  color: var(--color-accent-light);
  -webkit-text-stroke: 0.5px var(--color-text-on-light);
  line-height: 1;
  margin-bottom: 12px;
  pointer-events: none;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 14px;
  color: var(--color-text-on-light);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ========================================
   Work / Case Study
   ======================================== */
.work {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
}

.work .section-heading,
.work .section-intro {
  color: var(--color-text-on-dark);
}

.work .section-intro {
  color: rgba(237, 232, 223, 0.65);
  margin-top: -10px;
}

.video-wrapper {
  margin-bottom: 12px;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  background: var(--color-primary-dark-soft);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-caption {
  margin-top: 16px;
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 0.92rem;
  color: rgba(237, 232, 223, 0.55);
}

.work-note {
  font-family: var(--font-accent);
  font-size: 0.92rem;
  color: rgba(237, 232, 223, 0.45);
  font-style: italic;
}

/* ========================================
   About
   ======================================== */
.about {
  background: var(--color-bg-warm);
  padding-top: 44px;
  padding-bottom: 48px;
  overflow: hidden;
}

.about .section-heading {
  margin-top: 0;
  margin-bottom: 16px;
}

.about-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: end;
}

.about-photo img {
  width: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 10px;
}


.about-text {
  text-align: right;
  align-self: start;
  padding-top: 72px;
}

.about-text p {
  margin-bottom: 14px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Contact
   ======================================== */
.contact {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
}

.contact .section-heading {
  color: var(--color-text-on-dark);
}

.contact .section-intro {
  color: rgba(237, 232, 223, 0.65);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* Sidebar / Timeline */
.contact-sidebar-label {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-accent);
  margin-bottom: 32px;
}

.contact-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-step {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 165, 32, 0.35);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-accent);
  margin-top: 2px;
}

.timeline-step strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: var(--color-text-on-dark);
}

.timeline-step p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(237, 232, 223, 0.55);
}

/* Form on dark */
.contact-form {
  max-width: 100%;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
  color: var(--color-text-on-dark);
}

.optional {
  font-weight: 400;
  color: rgba(237, 232, 223, 0.45);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: var(--color-primary-dark-soft);
  color: var(--color-text-on-dark);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 165, 32, 0.15);
}

.form-group textarea {
  resize: vertical;
}

.btn-submit {
  margin-top: 12px;
}

.form-message {
  margin-top: 24px;
  padding: 18px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-success {
  background: rgba(39, 174, 96, 0.12);
  color: #6FCF97;
}

.form-error {
  background: rgba(192, 57, 43, 0.12);
  color: #E87C73;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-white);
  color: var(--color-text-on-light);
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-img {
  height: 88px;
  width: auto;
}

.footer-wordmark {
  display: none;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ========================================
   Scroll Fade-In Animation
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card--offset.fade-in.visible {
  transform: translateY(48px);
}

/* Extra bottom padding on services to accommodate the offset card */
.services {
  padding-bottom: 144px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {

  /* Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 28px;
    gap: 22px;
    border-top: 1px solid var(--color-border);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero */
  .hero {
    padding-top: calc(var(--nav-height) + 72px);
    padding-bottom: 72px;
  }

  .hero-headline {
    font-size: 2.2rem;
  }

  .hero-subheadline {
    font-size: 1.05rem;
  }

  /* Sections */
  .problem,
  .services,
  .work,
  .about,
  .contact {
    padding: 64px 0;
  }

  .section-heading {
    font-size: 1.75rem;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .service-card--offset {
    transform: translateY(0);
  }

  .service-card--offset.fade-in.visible {
    transform: translateY(0);
  }

  .services {
    padding-bottom: 64px;
  }

  /* Pull quote */
  .pull-quote p {
    font-size: 1.35rem;
  }

  /* About */
  .about-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-text {
    text-align: left;
  }

  /* Contact */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .hero-headline {
    font-size: 1.9rem;
  }

  .service-card {
    padding: 28px;
  }
}