/*
Theme Name: Agency Starter
Theme URI: https://youragency.com
Author: YourAgency
Author URI: https://youragency.com
Description: A minimalist, Apple-inspired landing page theme for partnership marketing agencies. Clean white design with scroll animations, comparison tables, and case study sections. Fully customizable via Customizer.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: agency-starter
Tags: one-column, custom-logo, custom-menu, featured-images, theme-options
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
*/

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --color-bg: #FFFFFF;
  --color-bg-soft: #FAFAFA;
  --color-bg-card: #F5F5F7;
  --color-black: #1D1D1F;
  --color-dark-gray: #424245;
  --color-gray: #6E6E73;
  --color-light-gray: #86868B;
  --color-border: #D2D2D7;
  --color-border-light: #E8E8ED;
  --color-accent: #0071E3;
  --color-accent-hover: #0077ED;
  --color-green: #1DB954;
  --color-green-soft: #E8F8EE;
  --color-red: #FF3B30;
  --color-red-soft: #FFF0EF;
  --color-orange: #FF9500;
  --font-main: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, sans-serif;
  --wrap: 980px;
  --wrap-narrow: 720px;
}

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-black);
  line-height: 1.5;
  overflow-x: hidden;
}

::selection { background: var(--color-accent); color: #fff; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: var(--wrap-narrow); margin: 0 auto; padding: 0 24px; }

/* === ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.25,0.1,0.25,1), transform 0.8s cubic-bezier(0.25,0.1,0.25,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* === NAV === */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  transition: all 0.35s ease;
}
.site-nav.scrolled {
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(0,0,0,0.08);
}
.site-nav .logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-black);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav .logo img {
  height: 28px;
  width: auto;
}
.site-nav .logo .dot {
  color: var(--color-accent);
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
}
.nav-links a {
  font-size: 12px;
  color: var(--color-dark-gray);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-black); }
.nav-cta {
  font-size: 12px !important;
  color: #fff !important;
  background: var(--color-accent);
  padding: 6px 16px;
  border-radius: 980px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--color-accent-hover) !important; }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-black);
  margin: 5px auto;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 105;
  }
  .nav-links.open { display: flex; }
  .nav-links li { list-style: none; }
  .nav-links a { font-size: 18px !important; color: var(--color-black) !important; }
  .nav-cta { font-size: 18px !important; padding: 12px 32px !important; }
}

/* === SECTION LABELS === */
.section-label {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.section-label--accent { color: var(--color-accent); }
.section-label--red { color: var(--color-red); }
.section-label--orange { color: var(--color-orange); }

/* === HEADINGS === */
.heading-xl {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.heading-lg {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.heading-md {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.heading-sm {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.text-gray { color: var(--color-gray); }
.text-dark { color: var(--color-dark-gray); }
.text-accent { color: var(--color-accent); }

.body-text {
  font-size: 17px;
  color: var(--color-gray);
  line-height: 1.6;
}
.body-text-lg {
  font-size: 19px;
  color: var(--color-gray);
  line-height: 1.55;
}

/* === HERO === */
.hero {
  padding-top: 160px;
  padding-bottom: 100px;
  text-align: center;
}
.hero .heading-xl + .heading-xl { margin-top: 8px; }
.hero .body-text-lg {
  max-width: 580px;
  margin: 32px auto 48px;
}
.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  font-size: 16px;
  color: #fff;
  background: var(--color-accent);
  padding: 14px 32px;
  border-radius: 980px;
  transition: all 0.3s ease;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
  color: #fff;
}
.btn-link {
  font-size: 16px;
  color: var(--color-accent);
  padding: 14px 32px;
  border-radius: 980px;
  display: inline-block;
}

/* === STATS === */
.stats-section { padding-bottom: 120px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-bg-card);
}
.stat-box {
  padding: 52px 36px;
  text-align: center;
  background: var(--color-bg-card);
  position: relative;
}
.stat-box::after {
  content: '';
  position: absolute;
  top: 20%;
  bottom: 20%;
  right: 0;
  width: 1px;
  background: var(--color-border-light);
}
.stat-box:last-child::after { display: none; }
.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-light-gray);
  letter-spacing: 0.01em;
  margin-top: 12px;
}

/* === PROBLEM === */
.section-soft { padding: 100px 0; background: var(--color-bg-soft); }
.section-white { padding: 120px 0; }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.problem-card {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 32px 28px;
}
.problem-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 8px;
}
.problem-card p {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.6;
}

.quote-block {
  margin-top: 40px;
  text-align: center;
}
.quote-block p {
  font-size: 19px;
  font-weight: 500;
  color: var(--color-dark-gray);
  font-style: italic;
  line-height: 1.5;
  max-width: 600px;
  margin: 0 auto;
}
.quote-block .emphasis { color: var(--color-black); font-weight: 600; }

/* === COMPARISON TABLE === */
.comparison-table {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}
.comparison-header {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  background: var(--color-bg-card);
}
.comparison-header > div {
  padding: 16px 24px;
}
.comparison-header > div + div {
  border-left: 1px solid var(--color-border-light);
}
.comparison-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.comparison-label--red { color: var(--color-red); }
.comparison-label--green { color: var(--color-green); }

.comparison-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg);
}
.comparison-row > div { padding: 18px 24px; font-size: 14px; line-height: 1.55; }
.comparison-row > div + div { border-left: 1px solid var(--color-border-light); }
.comparison-row .aspect { font-weight: 600; color: var(--color-dark-gray); }
.comparison-row .them { color: var(--color-gray); }
.comparison-row .us { color: var(--color-dark-gray); }

/* === FRAMEWORK === */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.framework-card {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
}
.framework-num {
  font-size: 40px;
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}
.framework-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 8px;
  white-space: pre-line;
}
.framework-card p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.55;
}

/* === CASE STUDY CARDS === */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.persona-card {
  background: var(--color-bg-soft);
  border-radius: 16px;
  padding: 28px 22px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.persona-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}
.persona-card .icon {
  margin-bottom: 14px;
  line-height: 1;
}
.persona-card .icon svg { width: 26px; height: 26px; }
.persona-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 8px;
}
.persona-card .insight {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 16px;
}
.persona-chip {
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.persona-chip:last-child { margin-bottom: 0; }
.persona-chip--green { background: var(--color-green-soft); }
.persona-chip--red { background: var(--color-red-soft); }
.persona-chip .chip-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}
.persona-chip--green .chip-label { color: var(--color-green); }
.persona-chip--red .chip-label { color: var(--color-red); }
.persona-chip .chip-text {
  font-size: 12px;
  color: var(--color-dark-gray);
  line-height: 1.5;
}
.persona-chip--red .chip-text { color: var(--color-gray); }

.red-callout {
  background: var(--color-red-soft);
  border-radius: 12px;
  padding: 20px 28px;
  max-width: 600px;
  margin: 0 auto 56px;
  text-align: left;
}
.red-callout p { font-size: 15px; color: var(--color-dark-gray); line-height: 1.6; }
.red-callout strong { color: var(--color-red); }

.result-block {
  margin-top: 48px;
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* === PROCESS STEPS === */
.step-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  font-size: 44px;
  font-weight: 700;
  color: var(--color-border-light);
  line-height: 1;
  flex-shrink: 0;
  width: 56px;
  letter-spacing: -0.04em;
}
.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 6px;
}
.step-item p {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.65;
}

/* === SERVICES === */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.service-card {
  background: var(--color-bg-soft);
  border-radius: 20px;
  padding: 36px 32px;
}
.service-num {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.65;
}

/* === CTA === */
.cta-section {
  padding: 120px 0;
  background: var(--color-bg-soft);
  text-align: center;
}
.cta-section .heading-lg { margin-bottom: 20px; }
.cta-section .body-text {
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto 40px;
}
.cta-section .btn-primary {
  font-size: 17px;
  padding: 16px 40px;
}
.cta-quote {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-light-gray);
  font-style: italic;
  margin-top: 56px;
}

/* === FOOTER === */
.site-footer {
  padding: 24px 40px;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  font-size: 12px;
  color: var(--color-light-gray);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .site-nav { padding: 0 20px; }
  .hero { padding-top: 120px; padding-bottom: 60px; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr; border-radius: 16px; }
  .stat-box { padding: 36px 24px; }
  .stat-box::after {
    top: auto; bottom: 0; left: 20%; right: 20%;
    width: auto; height: 1px;
  }
  .stat-number { font-size: 36px; }

  /* Problem */
  .problem-grid { grid-template-columns: 1fr; }

  /* Comparison - card layout on mobile */
  .comparison-table { border-radius: 16px; }
  .comparison-header { display: none; }
  .comparison-row {
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 12px;
  }
  .comparison-row > div {
    padding: 0;
    border-left: none !important;
  }
  .comparison-row .aspect {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-black);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border-light);
  }
  .comparison-row .them {
    padding-left: 12px;
    border-left: 3px solid var(--color-red) !important;
    font-size: 14px;
  }
  .comparison-row .them::before {
    content: '✗ Typical: ';
    font-weight: 600;
    color: var(--color-red);
  }
  .comparison-row .us {
    padding-left: 12px;
    border-left: 3px solid var(--color-green) !important;
    font-size: 14px;
  }
  .comparison-row .us::before {
    content: '✓ Us: ';
    font-weight: 600;
    color: var(--color-green);
  }

  /* Framework */
  .framework-grid { grid-template-columns: repeat(2, 1fr); }

  /* Persona cards */
  .persona-grid { grid-template-columns: 1fr 1fr; }

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

  /* Steps */
  .step-item { gap: 16px; }
  .step-num { font-size: 32px; width: 40px; }
}

@media (max-width: 480px) {
  .persona-grid { grid-template-columns: 1fr; }
  .framework-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
}