/* ===================================================
   APPLE THEME — Green Edition
   Source: apple.com style reference, accent #5C7A54 hue
   Load after base.css · remove <link> to disable
   =================================================== */

/* ===== DESIGN TOKENS — OVERRIDES ===== */
:root {
  /* Colors */
  --color-text-primary:   #1d1d1f;
  --color-text-secondary: #707070;
  --color-text-tertiary:  #474747;
  --color-text-muted:     #707070;
  --color-bg-page:        #f5f5f7;
  --color-bg-subtle:      #ffffff;
  --color-border:         #e8e8ed;

  /* Green accent system — H≈107° at Apple-level vibrancy */
  --color-accent:         #1d8a00;   /* primary CTA — equiv of Apple #0071e3 */
  --color-accent-hover:   #1f9600;   /* hover state */
  --color-accent-link:    #146f00;   /* text links — equiv of Apple #0066cc  */

  /* Typography — sizes */
  --font-size-xs:   12px;
  --font-size-sm:   12px;
  --font-size-base: 14px;
  --font-size-md:   17px;
  --font-size-body: 17px;
  --font-size-lg:   28px;
  --font-size-h2:   32px;
  --font-size-h1:   56px;

  /* Spacing — Apple comfortable density */
  --space-2xl: 40px;   /* 36 → 40, Apple spacing-40 */
  --space-4xl: 80px;   /* 70 → 80, Apple section gap minimum */

  /* Border radius */
  --radius-sm:   10px;
  --radius-md:   28px;
  --radius-full: 999px;
}

/* ===== BASE ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
  letter-spacing: -0.003em;
  line-height: 1.47;
}

h1 { letter-spacing: -0.019em; font-weight: 700; }
h2 { letter-spacing: -0.015em; font-weight: 700; }
h3 { letter-spacing: -0.005em; font-weight: 600; }

/* ===== SIDEBAR / NAV ===== */
.nav-links a {
  font-size: 14px;
  letter-spacing: -0.003em;
}

.nav-links a:hover,
.nav-links a:active,
.nav-links a.active {
  color: var(--color-accent);
}

/* ===== INDEX ===== */
.page-intro h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.36px;
  line-height: 1.2;
}

.page-intro p {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.1px;
  line-height: 1.5;
}

/* Project cards */
.project-image {
  border-radius: 28px;
  background: #ffffff;
}

.project-card:hover .project-image {
  transform: translateY(-6px) scale(1.01);
  box-shadow: none;
}

.project-title {
  font-size: 14px;
  letter-spacing: -0.003em;
  color: #1d1d1f;
  padding-top: 12px;
}

.project-description {
  font-size: 12px;
  color: #707070;
  letter-spacing: -0.003em;
}

/* Project tags */
.project-tag {
  font-size: 11px;
  border-radius: 999px;
  border: 1px solid rgba(29, 138, 0, 0.3);
  color: var(--color-accent);
  opacity: 1;
  background: transparent;
}

.project-tag.pet {
  border-color: rgba(29, 138, 0, 0.3);
  color: var(--color-accent);
  opacity: 1;
}

/* ===== PROJECT PAGE ===== */
.project-hero h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.9px;
  line-height: 1.07;
}

.project-brief {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -0.2px;
  line-height: 1.4;
  color: #707070;
}

/* Meta */
.meta-label {
  font-size: 11px;
  letter-spacing: 0.5px;
  color: #707070;
}

.meta-value {
  font-size: 14px;
  letter-spacing: -0.003em;
}

.meta-tag {
  font-size: 12px;
  background: #f5f5f7;
  border-radius: 999px;
  color: #474747;
}

/* Section label */
.section-label {
  font-size: 11px;
  letter-spacing: 0.5px;
  color: #707070;
}

/* Why / What / How */
.www-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.003em;
}

.www-text {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.1px;
  line-height: 1.47;
  color: #707070;
}

/* Gallery */
.gallery-item {
  border-radius: 28px;
  background: #ffffff;
}

/* Metrics */
.metric-card {
  background: #ffffff;
  border-radius: 28px;
}

.metric-number {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.6px;
  line-height: 1.17;
}

.metric-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.003em;
}

.metric-description {
  font-size: 12px;
  letter-spacing: -0.003em;
}

/* Shipped */
.project-results h2,
.project-gallery h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.6px;
  line-height: 1.17;
}

.shipped-text {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.1px;
  line-height: 1.47;
  opacity: 1;
  color: #707070;
}

/* Next project */
.next-project-name {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.36px;
}

/* CTA */
.cta-section h2 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.6px;
  line-height: 1.17;
}

.contact-subtitle {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.1px;
  color: #707070;
}

.btn-primary {
  background: var(--color-accent);
  border-radius: 999px;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.1px;
  padding: 12px 28px;
  transition: background 0.1s ease;
}

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

/* ===== ABOUT PAGE ===== */
.hero-text h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.36px;
  line-height: 1.2;
}

.hero-text p {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.1px;
  line-height: 1.47;
  color: #707070;
}

.hero-image {
  border-radius: 28px;
}

.section h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.003em;
}

.section-item h3 {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.003em;
}

.section-item p {
  font-size: 12px;
  letter-spacing: -0.003em;
  color: #707070;
}

body .hero-text a {
  color: var(--color-accent-link);
}

body .hero-text a:hover {
  color: var(--color-accent);
}

/* ===== SECONDARY BUTTON ===== */
.btn-secondary {
  font-size: 15px;
  padding: 10px 22px;
  border-color: #e8e8ed;
}

.btn-secondary:hover {
  border-color: #adadb8;
}

/* ===== BACK LINK ===== */
.back-link {
  font-size: 14px;
  letter-spacing: -0.003em;
  color: var(--color-accent-link);
}

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

/* ===== FOOTER ===== */
.footer-logo {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.003em;
}

.footer-links a {
  font-size: 14px;
  letter-spacing: -0.003em;
  color: var(--color-accent-link);
}

.footer-links a:hover {
  color: var(--color-accent);
}