/* ============================================
   TRIPPY BLOB — STYLES
   ============================================
   Structure of this file:
   1. CSS Variables & Reset
   2. Typography Base
   3. Layout Utilities
   4. Header / Navigation
   5. Hero
   6. About
   7. Services
   8. Selected Work
   9. Process
   10. Principles
   11. Contact
   12. Footer
   13. Reveal Animations
   14. Responsive Adjustments
   ============================================ */


/* ============================================
   1. CSS VARIABLES & RESET
   ============================================ */
:root {
  /* Brand colors */
  --color-bg: #FFFDF9;          /* Warm Off White — dominant canvas */
  --color-lavender: #FFD6FF;    /* Soft Lavender — signature sections */
  --color-ink: #000000;         /* Ink Black — primary text */
  --color-plum: #5A355A;        /* Deep Plum — accent */
  --color-mauve: #B887B8;       /* Dusty Mauve — accent */
  --color-grey-lavender: #D9C2D9; /* Muted Lavender Grey — accent */

  /* Typography */
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 9rem;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 4px;

  /* Motion */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;

  /* Hero blob cursor-tracking variables (updated via JS) */
  --blob-x: 50%;
  --blob-y: 40%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* Skip link — visible on keyboard focus */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Focus states — visible across the site */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-plum);
  outline-offset: 3px;
}


/* ============================================
   2. TYPOGRAPHY BASE
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 5.5rem);
  font-weight: 600;
}

h2.section-headline {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  font-size: 1rem;
  max-width: 60ch;
}

/* Small uppercase labels — Inter, wide letter spacing */
.section-label,
.hero-label {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-plum);
  margin-bottom: var(--space-sm);
}

.section-intro {
  font-size: 1.125rem;
  color: #3a3a3a;
  margin-top: var(--space-sm);
  max-width: 65ch;
}


/* ============================================
   3. LAYOUT UTILITIES
   ============================================ */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-ink);
  color: var(--color-bg);
}

.btn-primary:hover {
  background-color: var(--color-plum);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink);
}

.btn-secondary:hover {
  background-color: var(--color-ink);
  color: var(--color-bg);
  transform: translateY(-2px);
}


/* ============================================
   4. HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 253, 249, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: inline-block;
}

.logo-img {
  height: 48px;
  width: auto;
}

.main-nav .nav-list {
  display: flex;
  gap: var(--space-md);
}

.main-nav .nav-list a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}

.main-nav .nav-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-ink);
  transition: width var(--transition-fast);
}

.main-nav .nav-list a:hover::after,
.main-nav .nav-list a:focus-visible::after {
  width: 100%;
}

/* Mobile nav toggle — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-md);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.mobile-nav-list a {
  font-size: 1.1rem;
  font-weight: 500;
}

.mobile-nav-socials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-plum);
}


/* ============================================
   5. HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-lavender);
  overflow: hidden;
  padding: var(--space-xl) var(--space-md);
}

/* The signature organic blob — soft gradient, drifts slowly,
   shifts gently toward the cursor via --blob-x / --blob-y. */
.hero-blob {
  position: absolute;
  inset: -20%;
  background: radial-gradient(
    circle at var(--blob-x) var(--blob-y),
    rgba(255, 255, 255, 0.55) 0%,
    rgba(216, 162, 216, 0.35) 35%,
    rgba(90, 53, 90, 0.12) 65%,
    transparent 80%
  );
  transition: background-position 1.2s ease-out;
  animation: blob-drift 30s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes blob-drift {
  0%   { transform: translate(-2%, -1%) scale(1); }
  50%  { transform: translate(2%, 2%) scale(1.05); }
  100% { transform: translate(-1%, 1%) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-blob {
    animation: none;
    transition: none;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
}

.hero-label {
  color: var(--color-plum);
}

.hero-headline {
  margin-bottom: var(--space-sm);
}

.hero-supporting {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-style: italic;
  color: var(--color-plum);
  margin-bottom: var(--space-md);
}

.hero-description {
  font-size: 1.05rem;
  max-width: 56ch;
  margin: 0 auto var(--space-md);
  color: #2a2a2a;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Decorative large logo mark, sits quietly behind/beside content */
.hero-logo-wrap {
  position: absolute;
  right: -8%;
  bottom: -10%;
  width: 420px;
  opacity: 0.18;
  z-index: 1;
  pointer-events: none;
}

.hero-logo-img {
  width: 100%;
}


/* ============================================
   6. ABOUT
   ============================================ */
.about {
  background-color: var(--color-bg);
}

.about-inner {
  max-width: 900px;
}

.about-body p {
  max-width: 70ch;
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
  color: #2a2a2a;
}

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


/* ============================================
   7. SERVICES — editorial asymmetric rows
   ============================================ */
.services {
  background-color: var(--color-bg);
}

.services-list {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.service-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  align-items: start;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.service-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.service-row--reverse {
  /* Reserved for future asymmetric variation (e.g. shifting number column) */
}

.service-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--color-mauve);
  line-height: 1;
}

.service-title {
  margin-bottom: var(--space-xs);
}

.service-description {
  font-size: 1.05rem;
  color: #2a2a2a;
  margin-bottom: var(--space-sm);
}

.service-examples {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
}

.service-examples li {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--color-plum);
  border: 1px solid var(--color-grey-lavender);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.service-row:hover .service-examples li {
  /* Subtle premium hover — only on the row being interacted with */
}

.service-examples li:hover {
  background-color: var(--color-grey-lavender);
  color: var(--color-ink);
}


/* ============================================
   8. SELECTED WORK — editorial cards
   ============================================ */
.work {
  background-color: var(--color-bg);
}

.work-list {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.work-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.work-card--reverse .work-image-wrap {
  order: 2;
}

.work-image-wrap {
  overflow: hidden;
  border-radius: var(--border-radius);
}

.work-image {
  width: 100%;
  height: auto;
  transition: transform var(--transition-slow);
}

.work-card:hover .work-image {
  transform: scale(1.03);
}

.work-category {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-plum);
  margin-bottom: var(--space-xs);
}

.work-title {
  margin-bottom: var(--space-xs);
}

.work-description {
  color: #2a2a2a;
  margin-bottom: var(--space-sm);
}

.work-link {
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: 1.5px solid var(--color-ink);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.work-link:hover {
  color: var(--color-plum);
  border-color: var(--color-plum);
}


/* ============================================
   9. PROCESS — timeline
   ============================================ */
.process {
  background-color: var(--color-bg);
}

.process-timeline {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg) var(--space-md);
}

.process-step {
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-ink);
}

.process-index {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-mauve);
  margin-bottom: var(--space-xs);
}

.process-title {
  margin-bottom: var(--space-xs);
}

.process-description {
  font-size: 0.95rem;
  color: #2a2a2a;
}


/* ============================================
   10. PRINCIPLES
   ============================================ */
.principles {
  background-color: var(--color-bg);
}

.principles-grid {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg) var(--space-xl);
}

.principle-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.principle-mark {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-mauve);
  flex-shrink: 0;
}

.principle-item p {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
}


/* ============================================
   11. CONTACT — lavender signature section
   ============================================ */
.contact {
  background-color: var(--color-lavender);
}

.contact-inner {
  max-width: var(--max-width);
}

.contact-grid {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-row label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.optional-label {
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  color: #555;
  font-size: 0.8rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-ink);
  border-radius: var(--border-radius);
  background-color: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-plum);
  box-shadow: 0 0 0 3px rgba(90, 53, 90, 0.12);
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.8rem;
  color: #8a1f1f;
}

.form-row.has-error input,
.form-row.has-error textarea {
  border-color: #8a1f1f;
}

.form-submit {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

.form-success {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--border-radius);
  font-weight: 500;
}

/* Contact aside */
.contact-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-detail h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.contact-detail a {
  font-size: 1.1rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-detail a:hover {
  color: var(--color-plum);
}

.whatsapp-link {
  display: inline-block;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.social-links a {
  font-size: 1rem;
  font-weight: 500;
}


/* ============================================
   12. FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-ink);
  color: var(--color-bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-style: italic;
}

.footer-statement {
  font-size: 0.85rem;
  color: rgba(255, 253, 249, 0.7);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
  color: rgba(255, 253, 249, 0.6);
}

.footer-nav ul,
.footer-socials ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav a,
.footer-socials a,
.footer-contact a {
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-socials a:hover,
.footer-contact a:hover {
  color: var(--color-lavender);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 253, 249, 0.15);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 253, 249, 0.5);
}


/* ============================================
   13. REVEAL ANIMATIONS
   Used with Intersection Observer in script.js
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ============================================
   14. RESPONSIVE ADJUSTMENTS
   ============================================ */

/* Tablet */
@media (max-width: 960px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .principles-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 720px) {
  :root {
    --space-xl: 4rem;
    --space-xxl: 5rem;
  }

  /* Hide desktop nav, show toggle + mobile panel */
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-nav.is-open {
    display: flex;
  }

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

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

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

  .hero {
    min-height: auto;
    padding: var(--space-xl) var(--space-sm) var(--space-lg);
  }

  .hero-content {
    text-align: left;
  }

  .hero-description {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero-logo-wrap {
    width: 220px;
    right: -15%;
    bottom: -5%;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .service-number {
    font-size: 1.75rem;
  }

  .work-card,
  .work-card--reverse {
    grid-template-columns: 1fr;
  }

  .work-card--reverse .work-image-wrap {
    order: 0;
  }

  .process-timeline {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .section-inner {
    padding: var(--space-lg) var(--space-sm);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}