/* ========================================================================
   EDISON PEPPLE — Premium Agency Homepage
   Design System & Styles
   ======================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #046C4E;
  --color-primary-dark: #023B2B;
  --color-primary-light: #E7F4EF;
  --color-accent-gold: #D4A857;
  --color-white: #FFFFFF;
  --color-off-white: #FAFAF8;
  --color-cream: #F5F3EF;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #4A4A4A;
  --color-text-tertiary: #7A7A7A;
  --color-border: #E0DDD7;
  --color-border-light: #EDEBE6;

  /* Typography */
  --font-serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --content-max-width: 1440px;
  --grid-gap: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-medium: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* --- Layout --- */
.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 64px;
}

/* --- Typography --- */
.heading-xl {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 5.5vw, 4.25rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-primary-dark);
}

.heading-lg {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-primary-dark);
}

.heading-md {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.heading-sm {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 500;
  line-height: 1.4;
}

.body-lg {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.body-md {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.body-sm {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-tertiary);
}

.label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.accent-italic {
  font-style: italic;
  color: var(--color-accent-gold);
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed {
  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-image {
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 1s var(--ease-out), transform 1.2s var(--ease-out);
}

.reveal-image.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ========================================================================
   NAVIGATION
   ======================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 64px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-medium), background-color var(--transition-medium);
}

.nav.scrolled {
  border-bottom-color: var(--color-border-light);
}

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

.nav__logo-icon {
  height: 32px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-medium);
}

.nav__link:hover {
  color: var(--color-primary-dark);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-primary);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* Mobile menu button */
.nav__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav__menu-btn span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-primary-dark);
  transition: transform var(--transition-medium), opacity var(--transition-fast);
}

.nav__menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 4px);
}

.nav__menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.nav__menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -4px);
}

/* ========================================================================
   HERO SECTION
   ======================================================================== */
.hero {
  min-height: 100vh;
  display: block;
  padding-top: 72px;
  background-color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
  padding: var(--section-padding) 0;
}

.hero__inner--text-only {
  display: block;
  padding: 160px 0 var(--section-padding);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: left;
}

.hero__headline {
  margin-bottom: 32px;
}

.hero__headline em {
  font-style: italic;
  color: var(--color-accent-gold);
}

.hero__description {
  max-width: 480px;
  margin-bottom: 48px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero__btn-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.hero__btn-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-medium);
}

.hero__btn-link:hover {
  color: var(--color-primary-dark);
}

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

.hero__btn-cta {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-primary);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__btn-cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.hero__btn-cta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.hero__btn-cta:hover svg {
  transform: translateX(3px);
}

.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.hero__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__image-accent {
  position: absolute;
  top: -24px;
  right: -24px;
  width: 120px;
  height: 120px;
  border: 2px solid var(--color-accent-gold);
  border-radius: var(--radius-lg);
  opacity: 0.3;
  z-index: -1;
}

/* ========================================================================
   SECTION DIVIDER
   ======================================================================== */
.section-divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
}

/* ========================================================================
   FEATURED WORK SECTION
   ======================================================================== */
.featured-work {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.featured-work__header {
  margin-bottom: 80px;
}

.featured-work__label {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.featured-work__label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background-color: var(--color-text-tertiary);
}

.featured-work__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 400;
  color: var(--color-primary-dark);
  letter-spacing: -0.015em;
}

/* Project Block */
.project-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--color-border-light);
}

.project-block:last-child {
  border-bottom: 1px solid var(--color-border-light);
}

.project-block--reversed {
  direction: rtl;
}

.project-block--reversed > * {
  direction: ltr;
}

.project-block__image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-cream);
}

.project-block__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease-out);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.project-block:hover .project-block__image img {
  transform: scale(1.02);
}

.project-block__content {
  padding: 16px 0;
}

.project-block__role {
  margin-bottom: 20px;
}

.project-block__name {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 500;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.project-block__description {
  max-width: 440px;
  margin-bottom: 28px;
}

.project-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.project-block__tag {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: var(--color-cream);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.project-block__tag:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.project-block__link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition-fast);
}

.project-block__link:hover {
  gap: 12px;
}

.project-block__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.project-block__link:hover svg {
  transform: translateX(2px);
}

/* ========================================================================
   CONTACT CTA SECTION
   ======================================================================== */
.contact-cta {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.contact-cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
}

.contact-cta__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.contact-cta__headline em {
  font-style: italic;
  color: var(--color-accent-gold);
}

.contact-cta__right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-cta__subheader {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  max-width: 440px;
}

.contact-cta__btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  background-color: var(--color-accent-gold);
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  align-self: flex-start;
}

.contact-cta__btn:hover {
  background-color: #e0b868;
  transform: translateY(-1px);
}

.contact-cta__btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.contact-cta__btn:hover svg {
  transform: translateX(3px);
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.footer {
  padding: 56px 0;
  background-color: var(--color-primary-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

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

.footer__logo-icon {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer__social-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

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

.footer__copyright {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ========================================================================
   RESPONSIVE — TABLET
   ======================================================================== */
@media (max-width: 1024px) {
  :root {
    --section-padding: 72px;
  }

  .container {
    padding: 0 40px;
  }

  .nav {
    padding: 0 40px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__image-wrapper {
    aspect-ratio: 16 / 9;
    max-height: 400px;
  }

  .hero__image-accent {
    display: none;
  }

  .project-block {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .project-block--reversed {
    flex-direction: column-reverse;
    direction: ltr;
  }

  .contact-cta__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

/* ========================================================================
   RESPONSIVE — MOBILE
   ======================================================================== */
@media (max-width: 768px) {
  :root {
    --section-padding: 56px;
  }

  .container {
    padding: 0 24px;
  }

  /* --- Nav bar (mobile base) --- */
  .nav {
    height: 72px;
    padding: 0 24px;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
  }

  /* Logo + close button pinned above the overlay */
  .nav__logo {
    position: relative;
    z-index: 1002;
  }

  .nav__menu-btn {
    display: flex;
    position: relative;
    z-index: 1002;
  }

  /* --- Fullscreen mobile menu overlay --- */
  .nav__links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1001;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 24px;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .nav__links.open {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
  }

  /* Menu link styles — editorial, left-aligned, separated by rules */
  .nav__links .nav__link,
  .nav__links .nav__cta {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 400;
    color: var(--color-primary-dark);
    padding: 20px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, color var(--transition-fast);
  }

  .nav__links .nav__link:first-child {
    border-top: 1px solid var(--color-border-light);
  }

  /* Reset CTA pill styling inside mobile menu */
  .nav__links .nav__cta {
    background: none;
    border-radius: 0;
    color: var(--color-primary);
  }

  /* Remove hover underline effect in mobile menu */
  .nav__links .nav__link::after {
    display: none;
  }

  /* Staggered link entrance animation */
  .nav__links.open .nav__link,
  .nav__links.open .nav__cta {
    opacity: 1;
    transform: translateY(0);
  }

  .nav__links.open :nth-child(1) { transition-delay: 0.06s; }
  .nav__links.open :nth-child(2) { transition-delay: 0.12s; }
  .nav__links.open :nth-child(3) { transition-delay: 0.18s; }
  .nav__links.open :nth-child(4) { transition-delay: 0.24s; }
  .nav__links.open :nth-child(5) { transition-delay: 0.30s; }

  .hero__actions {
    gap: 20px;
  }

  .hero__btn-link {
    font-size: 0.8125rem;
  }

  .project-block {
    padding: 40px 0;
    gap: 24px;
  }

  .project-block__tags {
    gap: 6px;
  }

  .featured-work__header {
    margin-bottom: 48px;
  }

  .footer__socials {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 40px;
  }

  .container {
    padding: 0 20px;
  }

  .nav {
    padding: 0 20px;
  }

  .nav__links {
    padding: 0 20px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero__actions .hero__btn-links-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }
}