/* =========================================================
   MailFlow — Landing Page Styles
   Light theme · Fraunces + DM Sans
   ========================================================= */

/* ── Variables ─────────────────────────────────────────── */
:root {
  --cream:      #faf8f5;
  --cream-dark: #f2efe9;
  --ink:        #1a1714;
  --ink-mid:    #4a4540;
  --ink-light:  #8a847d;
  --accent:     #d4522a;
  --accent-alt: #e8c547;
  --green:      #2d8a4e;
  --border:     #e6e0d8;
  --white:      #ffffff;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  --shadow-sm: 0 1px 3px rgba(26,23,20,.06), 0 2px 8px rgba(26,23,20,.04);
  --shadow-md: 0 4px 24px rgba(26,23,20,.10);
  --shadow-lg: 0 16px 56px rgba(26,23,20,.14);

  --transition: 0.22s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .01em;
  padding: 11px 22px;
  border-radius: 50px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(212,82,42,.28);
}
.btn--primary:hover {
  background: #c04520;
  border-color: #c04520;
  box-shadow: 0 6px 20px rgba(212,82,42,.38);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink-mid);
}
.btn--ghost:hover { color: var(--ink); }

.btn--outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink-mid);
}
.btn--outline:hover {
  border-color: var(--ink-mid);
  color: var(--ink);
  transform: translateY(-1px);
}

.btn--large { padding: 14px 30px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

.play-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 50%;
  font-size: .6rem;
}

/* ── Section helpers ────────────────────────────────────── */
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(212,82,42,.25);
  background: rgba(212,82,42,.06);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 56px;
}
.section-title em {
  font-style: italic;
  color: var(--accent);
}

/* ── Nav ───────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 32px;
  padding: 16px 6vw;
  background: rgba(250,248,245,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav--scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav__logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}
.logo-icon { color: var(--accent); font-size: 1rem; }

.nav__links {
  display: flex; gap: 28px;
  margin-left: auto;
}
.nav__links a {
  font-size: .875rem;
  color: var(--ink-mid);
  font-weight: 400;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--ink); }

.nav__cta { display: flex; align-items: center; gap: 8px; }

.nav__hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 4px; margin-left: auto;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 6vw 100px;
  min-height: 92vh;
  display: flex; flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(232,197,71,.13) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(212,82,42,.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 500;
  color: var(--ink-mid);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  width: fit-content;
  animation: fadeDown .6s ease both;
}

.badge-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(45,138,78,.2);
  animation: pulse 2s infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 700px;
  animation: fadeUp .7s .1s ease both;
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
}

.hero__sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--ink-mid);
  max-width: 480px;
  margin-top: 24px;
  animation: fadeUp .7s .2s ease both;
}

.hero__actions {
  display: flex; align-items: center; gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
  animation: fadeUp .7s .3s ease both;
}

.hero__stats {
  display: flex; align-items: center; gap: 32px;
  margin-top: 56px;
  animation: fadeUp .7s .4s ease both;
}
.stat {}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 500;
  line-height: 1;
}
.stat__label {
  font-size: .8rem;
  color: var(--ink-light);
  font-weight: 400;
}
.stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}

/* floating cards */
.hero__mockup {
  position: absolute;
  right: 6vw; top: 50%;
  transform: translateY(-50%);
  width: 340px; height: 340px;
  animation: fadeIn .9s .5s ease both;
}

.email-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-md);
}
.email-card--1 {
  top: 0; left: 0; width: 220px;
  animation: float1 4s ease-in-out infinite;
}
.email-card--2 {
  bottom: 20px; right: 0; width: 180px;
  animation: float2 4.5s 1s ease-in-out infinite;
}
.email-card--3 {
  top: 140px; right: 30px; width: 160px;
  display: flex; align-items: center; gap: 10px;
  animation: float3 5s .5s ease-in-out infinite;
}

.email-card__dot { width: 10px; height: 10px; border-radius: 50%; }
.email-card__dot--green { background: var(--green); margin-bottom: 10px; }
.email-card__line { height: 8px; border-radius: 4px; margin-top: 8px; }
.email-card__line--dark { background: var(--ink); opacity: .15; width: 100%; }
.email-card__line--light { background: var(--ink); opacity: .07; width: 70%; }
.email-card__tag {
  font-size: .7rem; font-weight: 500;
  color: var(--green);
  margin-top: 10px;
}
.email-card__icon { font-size: 1.4rem; margin-bottom: 6px; }
.email-card__metric {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 500;
  color: var(--green);
}
.email-card__sub { font-size: .72rem; color: var(--ink-light); }
.email-card__avatar {
  width: 32px; height: 32px;
  background: rgba(212,82,42,.12);
  color: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .9rem;
  flex-shrink: 0;
}

/* ── Logos ─────────────────────────────────────────────── */
.logos {
  padding: 40px 6vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--cream-dark);
}
.logos__label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
  text-align: center;
  margin-bottom: 24px;
}
.logos__track { overflow: hidden; }
.logos__scroll {
  display: flex; align-items: center; gap: 56px;
  animation: scrollX 18s linear infinite;
  width: max-content;
}
.logos__scroll span {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.15rem;
  color: var(--ink-light);
  white-space: nowrap;
}

/* ── Features ──────────────────────────────────────────── */
.features {
  padding: 100px 6vw;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.feature-card.in-view {
  opacity: 1; transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease, box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card--wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.feature-card--accent {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.feature-card--accent p { color: rgba(255,255,255,.65); }

.feature-card__icon { font-size: 1.6rem; margin-bottom: 16px; }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 10px;
}
.feature-card p { font-size: .9rem; color: var(--ink-mid); line-height: 1.6; }

/* Editor mockup */
.feature-card__visual { align-self: center; }
.editor-mock {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.editor-mock__bar {
  display: flex; gap: 6px; align-items: center;
  background: var(--cream-dark);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.editor-mock__bar span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--border);
}
.editor-mock__body { padding: 14px 12px; display: flex; flex-direction: column; gap: 8px; }
.editor-block { border-radius: 4px; background: var(--cream-dark); }
.editor-block--header { height: 28px; }
.editor-block--text { height: 40px; }
.editor-block--img { height: 56px; background: rgba(212,82,42,.08); }
.editor-block--btn { height: 22px; width: 60%; background: rgba(212,82,42,.18); border-radius: 20px; }

/* ── How it works ──────────────────────────────────────── */
.howitworks {
  background: var(--cream-dark);
  padding: 100px 6vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: flex; align-items: flex-start; gap: 24px;
  flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 220px;
  opacity: 0; transform: translateY(20px);
}
.step.in-view {
  opacity: 1; transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease;
}
.step__num {
  font-family: var(--font-display);
  font-size: 2.8rem; font-weight: 300;
  color: var(--border);
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 500;
  margin-bottom: 8px;
}
.step p { font-size: .875rem; color: var(--ink-mid); }
.step__arrow {
  align-self: center;
  font-size: 1.8rem;
  color: var(--border);
  flex-shrink: 0;
  margin-top: -20px;
}

/* ── Pricing ───────────────────────────────────────────── */
.pricing { padding: 100px 6vw; text-align: center; }

.pricing__toggle {
  display: inline-flex; align-items: center; gap: 14px;
  margin-bottom: 56px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 20px;
}
.toggle-label { font-size: .875rem; color: var(--ink-light); cursor: pointer; }
.toggle-label.active { color: var(--ink); font-weight: 500; }

.toggle-switch {
  position: relative;
  width: 44px; height: 24px;
  background: var(--border);
  border: none; border-radius: 50px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-switch.active { background: var(--accent); }
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.toggle-switch.active .toggle-thumb { transform: translateX(20px); }

.save-badge {
  font-style: normal;
  font-size: .72rem;
  background: rgba(45,138,78,.12);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 4px;
}

.pricing__cards {
  display: flex; gap: 20px; align-items: stretch;
  flex-wrap: wrap;
  justify-content: center;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  flex: 1; min-width: 260px; max-width: 320px;
  text-align: left;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0; transform: translateY(20px);
}
.pricing-card.in-view {
  opacity: 1; transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease, box-shadow var(--transition);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.pricing-card--featured {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
  transform: scale(1.03);
}
.pricing-card--featured.in-view { transform: translateY(0) scale(1.03); }
.pricing-card--featured:hover { transform: translateY(-4px) scale(1.03); }
.pricing-card--featured .plan-desc { color: rgba(255,255,255,.6); }
.pricing-card--featured .plan-features li { color: rgba(255,255,255,.8); }
.pricing-card--featured .plan-features li.disabled { color: rgba(255,255,255,.3); }

.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent);
  color: white;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 5px 16px; border-radius: 50px;
  white-space: nowrap;
}
.plan-name {
  font-size: .8rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 16px;
}
.pricing-card--featured .plan-name { color: rgba(255,255,255,.5); }

.plan-price {
  display: flex; align-items: flex-end; gap: 4px;
  margin-bottom: 6px;
}
.price-currency { font-size: 1rem; color: var(--ink-mid); align-self: flex-start; margin-top: 10px; }
.pricing-card--featured .price-currency { color: rgba(255,255,255,.6); }
.price-num {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 500;
  line-height: 1;
  transition: all .2s;
}
.price-period { font-size: .85rem; color: var(--ink-light); margin-bottom: 8px; }
.pricing-card--featured .price-period { color: rgba(255,255,255,.5); }

.plan-desc { font-size: .85rem; color: var(--ink-mid); margin-bottom: 24px; }

.plan-features { margin-bottom: 28px; display: flex; flex-direction: column; gap: 9px; }
.plan-features li { font-size: .875rem; }
.plan-features li.disabled { color: var(--ink-light); }
.pricing-card--featured .btn--outline {
  border-color: rgba(255,255,255,.25);
  color: rgba(255,255,255,.8);
}
.pricing-card--featured .btn--outline:hover {
  border-color: rgba(255,255,255,.6);
  color: white;
}

/* ── Testimonials ──────────────────────────────────────── */
.testimonials { padding: 100px 6vw; background: var(--cream-dark); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  opacity: 0; transform: translateY(20px);
}
.testimonial.in-view {
  opacity: 1; transform: translateY(0);
  transition: opacity .5s ease, transform .5s ease;
}
.testimonial__text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 24px;
}
.testimonial__author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px;
  background: rgba(212,82,42,.1);
  color: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}
.author-name { font-size: .875rem; font-weight: 500; }
.author-role { font-size: .78rem; color: var(--ink-light); }

/* ── CTA Final ─────────────────────────────────────────── */
.cta-final {
  padding: 100px 6vw;
}
.cta-final__inner {
  background: var(--ink);
  border-radius: var(--radius-xl);
  padding: 72px 6%;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final__inner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, rgba(232,197,71,.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final__inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  color: white;
  line-height: 1.15;
  margin-bottom: 14px;
}
.cta-final__inner h2 em { font-style: italic; color: var(--accent-alt); }
.cta-final__inner p { color: rgba(255,255,255,.55); font-size: .9rem; margin-bottom: 36px; }

.cta-final__form {
  display: flex; gap: 10px;
  max-width: 440px; margin: 0 auto;
}
.cta-final__form input {
  flex: 1;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  padding: 13px 20px;
  font-family: var(--font-body);
  font-size: .9rem;
  color: white;
  outline: none;
  transition: border-color var(--transition);
}
.cta-final__form input::placeholder { color: rgba(255,255,255,.4); }
.cta-final__form input:focus { border-color: rgba(255,255,255,.5); }

/* ── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--cream-dark);
  border-top: 1px solid var(--border);
  padding: 60px 6vw 32px;
}
.footer__top {
  display: flex; gap: 48px;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.footer__brand {
  max-width: 220px;
}
.footer__brand .logo-icon { font-size: .9rem; }
.footer__brand .logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 700;
}
.footer__brand p { font-size: .82rem; color: var(--ink-light); margin-top: 10px; }

.footer__links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-light);
  margin-bottom: 4px;
}
.footer__col a { font-size: .85rem; color: var(--ink-mid); transition: color var(--transition); }
.footer__col a:hover { color: var(--ink); }

.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: .78rem;
  color: var(--ink-light);
  flex-wrap: wrap; gap: 12px;
}
.footer__social { display: flex; gap: 18px; }
.footer__social a {
  font-weight: 600;
  color: var(--ink-mid);
  transition: color var(--transition);
}
.footer__social a:hover { color: var(--ink); }

/* ── Animations ────────────────────────────────────────── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(45,138,78,.2); }
  50%       { box-shadow: 0 0 0 6px rgba(45,138,78,.12); }
}
@keyframes float1 {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50%       { transform: translateY(-10px) rotate(0deg); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  50%       { transform: translateY(-14px) rotate(-1deg); }
}
@keyframes float3 {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes scrollX {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .hero { padding-top: 60px; min-height: unset; }
  .hero__mockup { display: none; }

  .features__grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; grid-template-columns: 1fr; }

  .testimonials__grid { grid-template-columns: 1fr; }
  .pricing__cards { flex-direction: column; align-items: center; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured.in-view { transform: translateY(0); }
  .pricing-card--featured:hover { transform: translateY(-4px); }

  .steps { flex-direction: column; }
  .step__arrow { transform: rotate(90deg); align-self: flex-start; margin-left: 24px; }

  .cta-final__form { flex-direction: column; }
  .footer__top { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero__stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .pricing-card { max-width: 100%; }
}