/* =============================================================
   THE CURB ECONOMIST — Shared Stylesheet
   Color scheme: Black (#111), White (#fff), Green (#60aa6d)
   ============================================================= */

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

:root {
  --black:       #111111;
  --white:       #ffffff;
  --green:       #60aa6d;
  --green-dark:  #4a8f57;
  --green-light: #7bc285;
  --green-pale:  #eaf5ec;
  --gray-50:     #fafafa;
  --gray-100:    #f5f5f5;
  --gray-200:    #eeeeee;
  --gray-300:    #e0e0e0;
  --gray-500:    #9e9e9e;
  --gray-600:    #757575;
  --gray-700:    #555555;
  --gray-900:    #1a1a1a;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:   0 8px 24px rgba(0,0,0,.12);
  --radius:      10px;
  --radius-pill: 999px;
  --transition:  0.2s ease;
  --sans:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif:       'Playfair Display', Georgia, serif;
  --max-width:   1160px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }

/* ── Layout helpers ─────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section--gray  { background: var(--gray-100); }
.section--black { background: var(--black); color: var(--white); }
.section--green { background: var(--green);  color: var(--white); }
.centered { text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.eyebrow--white { color: var(--green-light); }

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700; line-height: 1.2;
  margin-bottom: 14px;
}
.section-title--white { color: var(--white); }

.section-lead {
  font-size: 1.05rem; color: var(--gray-600);
  line-height: 1.75; max-width: 620px;
}
.section-lead--centered { margin: 0 auto; text-align: center; }
.section-lead--white { color: rgba(255,255,255,.78); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--radius-pill);
  font-family: var(--sans); font-size: .88rem; font-weight: 600;
  letter-spacing: .03em; cursor: pointer;
  transition: all var(--transition); border: 2px solid transparent;
  text-decoration: none; white-space: nowrap;
}
.btn--black  { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--black:hover { background: var(--white); color: var(--black); }

.btn--green  { background: var(--green); color: var(--white); border-color: var(--green); }
.btn--green:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }

.btn--outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn--outline:hover { background: var(--black); color: var(--white); }

.btn--outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn--outline-white:hover { background: var(--white); color: var(--black); }

.btn--sm { padding: 9px 22px; font-size: .8rem; }
.btn--lg { padding: 16px 40px; font-size: 1rem; }

/* ── Navigation ──────────────────────────────────────────────── */
.nav {
  background: var(--black); position: sticky; top: 0; z-index: 200;
  box-shadow: 0 2px 16px rgba(0,0,0,.35);
  border-top: 6px solid var(--green);
  border-bottom: 6px solid var(--green);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.nav__brand {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
}
.nav__brand-img { height: 38px; width: auto; }
.nav__brand-text {
  font-family: var(--serif); font-size: 1rem; font-weight: 700;
  color: var(--white); letter-spacing: .02em; line-height: 1.2;
}
.nav__links {
  display: flex; align-items: center; gap: 2px; list-style: none;
}
.nav__links a {
  color: rgba(255,255,255,.80); font-size: .8rem; font-weight: 500;
  letter-spacing: .05em; text-transform: uppercase;
  padding: 8px 14px; border-radius: var(--radius-pill);
  transition: all var(--transition); text-decoration: none;
}
.nav__links a:hover,
.nav__links a.active { color: var(--white); background: rgba(255,255,255,.12); }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__hamburger { display: none; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  background: var(--black); color: var(--white);
  padding: 88px 0 96px; position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(125deg, #0f1a0f 0%, #111 60%, #1a1a1a 100%);
  opacity: .92; pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; max-width: 740px; }
.hero__tag {
  display: inline-block; font-size: .7rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--green-light);
  border: 1px solid rgba(76,175,80,.4); padding: 5px 16px;
  border-radius: var(--radius-pill); margin-bottom: 22px;
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700; line-height: 1.15; margin-bottom: 20px;
}
.hero__sub {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,.72); line-height: 1.75;
  margin-bottom: 36px; max-width: 580px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Two-column content rows ─────────────────────────────────── */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.two-col--flip { direction: rtl; }
.two-col--flip > * { direction: ltr; }
.two-col__media {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.two-col__media img { width: 100%; height: 300px; object-fit: cover; }
.two-col__media--placeholder {
  height: 300px; background: var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); font-size: .85rem;
}

/* ── Quote / pull-quote ─────────────────────────────────────── */
.pull-quote {
  background: var(--green); color: var(--white);
  padding: 64px 0; text-align: center;
}
.pull-quote__text {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-style: italic; line-height: 1.55;
  max-width: 700px; margin: 0 auto 16px;
}
.pull-quote__attr {
  font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  opacity: .82;
}

/* ── Who Should Subscribe cards ─────────────────────────────── */
.sub-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.sub-cards--row2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 660px; margin: 22px auto 0;
}
.sub-card {
  background: var(--white); border: 1.5px solid var(--gray-300);
  border-radius: var(--radius); padding: 30px 26px;
  transition: all var(--transition);
}
.sub-card:hover {
  box-shadow: var(--shadow-lg); border-color: var(--green);
  transform: translateY(-4px);
}
.sub-card__icon {
  width: 46px; height: 46px; background: var(--green-pale);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.sub-card__icon svg {
  width: 22px; height: 22px; stroke: var(--green); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.sub-card__title {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 700;
  color: var(--gray-900); margin-bottom: 10px;
}
.sub-card__text { font-size: .88rem; color: var(--gray-600); line-height: 1.72; }
.sub-cards__cta { text-align: center; margin-top: 40px; }

/* ── Research grid ───────────────────────────────────────────── */
.research-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.r-card {
  background: var(--white); border: 1.5px solid var(--gray-300);
  border-radius: var(--radius); padding: 26px;
  display: flex; flex-direction: column; transition: all var(--transition);
}
.r-card:hover {
  box-shadow: var(--shadow-lg); border-color: var(--green);
  transform: translateY(-3px);
}
.r-card__tag {
  display: inline-block; font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--green); background: var(--green-pale);
  padding: 4px 11px; border-radius: var(--radius-pill); margin-bottom: 14px;
  align-self: flex-start;
}
.r-card__title {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 700;
  color: var(--gray-900); line-height: 1.4; margin-bottom: 10px;
}
.r-card__desc {
  font-size: .84rem; color: var(--gray-600); line-height: 1.68;
  margin-bottom: 20px; flex: 1;
}
.r-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .83rem; font-weight: 600; color: var(--green);
  margin-top: auto; transition: all var(--transition);
}
.r-card__link svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2.5; }
.r-card__link:hover { color: var(--green-dark); gap: 10px; }

/* Page hero (inner pages) */
.page-hero {
  background: var(--black); color: var(--white);
  padding: 56px 0; text-align: center;
}
.page-hero__title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700; margin-bottom: 12px;
}
.page-hero__sub {
  font-size: 1rem; color: rgba(255,255,255,.7);
  max-width: 560px; margin: 0 auto;
}

/* Filter bar (research page) */
.filter-bar {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; margin-bottom: 36px;
}
.filter-btn {
  padding: 7px 18px; border-radius: var(--radius-pill);
  font-size: .78rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; cursor: pointer; border: 1.5px solid var(--gray-300);
  background: var(--white); color: var(--gray-700);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ── Subscribers / Pricing ───────────────────────────────────── */
.pricing-wrap {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
  gap: 28px; justify-content: center;
}
.p-card {
  background: var(--white); border: 2px solid var(--gray-300);
  border-radius: 16px; padding: 40px 36px;
  display: flex; flex-direction: column; position: relative;
  transition: box-shadow var(--transition);
}
.p-card:hover { box-shadow: var(--shadow-lg); }
.p-card--featured { border-color: var(--green); }
.p-card__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: var(--white);
  font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 18px; border-radius: var(--radius-pill); white-space: nowrap;
}
.p-card__name {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 700;
  margin-bottom: 6px;
}
.p-card__desc { font-size: .88rem; color: var(--gray-600); margin-bottom: 24px; }
.p-card__price { font-size: 2.8rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.p-card__price sup { font-size: 1.2rem; vertical-align: top; margin-top: 8px; display: inline-block; }
.p-card__period { font-size: .85rem; color: var(--gray-600); margin-bottom: 28px; }
.p-card__features { list-style: none; margin-bottom: 32px; flex: 1; }
.p-card__features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; color: var(--gray-700);
  padding: 9px 0; border-bottom: 1px solid var(--gray-200);
}
.p-card__features li:last-child { border-bottom: none; }
.p-card__check { color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ── Contact form ────────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start;
}
.contact-info__item {
  display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px;
}
.contact-info__icon {
  width: 40px; height: 40px; background: var(--green-pale);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info__icon svg { width: 18px; height: 18px; stroke: var(--green); fill: none; stroke-width: 2; }
.contact-info__label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-500); margin-bottom: 4px; }
.contact-info__val { font-size: .9rem; color: var(--gray-700); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: .82rem; font-weight: 600;
  color: var(--gray-800); margin-bottom: 7px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 11px 15px;
  border: 1.5px solid var(--gray-300); border-radius: 8px;
  font-family: var(--sans); font-size: .9rem; color: var(--gray-900);
  background: var(--white); outline: none; transition: border-color var(--transition);
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(45,125,50,.1);
}
.form-group textarea { min-height: 130px; resize: vertical; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer { background: var(--black); color: rgba(255,255,255,.65); padding: 52px 0 28px; }
.footer__top {
  display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap;
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand { max-width: 280px; }
.footer__brand-name {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 700;
  color: var(--white); margin-bottom: 10px;
}
.footer__tagline { font-size: .85rem; line-height: 1.65; }
.footer__social { display: flex; gap: 10px; margin-top: 18px; }
.footer__social a {
  width: 34px; height: 34px; background: rgba(255,255,255,.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: .75rem; font-weight: 700;
  transition: background var(--transition); text-decoration: none;
}
.footer__social a:hover { background: var(--green); }
.footer__col h4 {
  color: var(--white); font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  color: rgba(255,255,255,.55); font-size: .85rem;
  text-decoration: none; transition: color var(--transition);
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  max-width: var(--max-width); margin: 0 auto; padding: 20px 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
}
.footer__copy { font-size: .78rem; color: rgba(255,255,255,.35); }
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { font-size: .78rem; color: rgba(255,255,255,.35); text-decoration: none; }
.footer__legal a:hover { color: rgba(255,255,255,.7); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .sub-cards { grid-template-columns: repeat(2, 1fr); }
  .sub-cards--row2 { max-width: 100%; grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .two-col, .two-col--flip { grid-template-columns: 1fr; gap: 32px; direction: ltr; }
  .nav__links, .nav__actions { display: none; }
  .nav__hamburger {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
  }
  .nav__hamburger span {
    display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px;
    transition: transform 0.22s ease, opacity 0.22s ease;
  }
  /* Hamburger → X when menu is open */
  .nav--open .nav__hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav--open .nav__hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav--open .nav__hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .sub-cards, .sub-cards--row2 { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr !important; }
  .form-row { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 56px 0; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .page-hero { padding: 40px 0; }
  .pull-quote { padding: 48px 0; }
}

/* ── Mobile Navigation Dropdown ──────────────────────────────── */
/* Hidden on desktop — only visible on mobile when hamburger is open */
.nav-mobile {
  display: none;
}
@media (max-width: 768px) {
  .nav-mobile {
    display: none;
    position: fixed;
    top: 80px; /* nav bar height: 68px inner + 6px top border + 6px bottom border */
    left: 0; right: 0;
    background: var(--black);
    padding: 4px 0 20px;
    border-bottom: 4px solid var(--green);
    z-index: 198;
    box-shadow: 0 8px 32px rgba(0,0,0,.55);
  }
  .nav-mobile.open { display: block; }
  .nav-mobile ul { list-style: none; }
  .nav-mobile ul li { border-bottom: 1px solid rgba(255,255,255,.08); margin: 0 24px; }
  .nav-mobile ul a {
    display: block; padding: 15px 0;
    color: rgba(255,255,255,.80); font-size: .85rem;
    font-weight: 500; letter-spacing: .05em; text-transform: uppercase;
    text-decoration: none; transition: color var(--transition);
  }
  .nav-mobile ul a:hover,
  .nav-mobile ul a.active { color: var(--white); }
  .nav-mobile__actions {
    display: flex; flex-direction: column; gap: 10px;
    padding: 16px 24px 0;
  }
  .nav-mobile__actions .btn { width: 100%; justify-content: center; }
}