/* ============================================================
   IRONMAST STUDIO — marketing site
   Brand: Iron + Bronze · Plus Jakarta Sans · Exaggerated Minimalism
   ============================================================ */

:root {
  --iron-dark: #131822;
  --iron: #1F2937;
  --bone: #FAF8F5;
  --white: #FFFFFF;
  --bronze: #B87333;
  --bronze-dark: #8E5826;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --success: #059669;

  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --maxw: 1140px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(19, 24, 34, 0.08), 0 1px 2px rgba(19, 24, 34, 0.04);
  --shadow-md: 0 10px 30px rgba(19, 24, 34, 0.10);
  --shadow-lg: 0 24px 60px rgba(19, 24, 34, 0.16);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* Reusable checkmark glyph (used by every bulleted list) */
  --check-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html { scroll-padding-top: 88px; }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:focus-visible {
  outline: 3px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--iron-dark);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 820px; }

.section { padding: 92px 0; }
.section--alt { background: var(--white); }
.section--dark { background: var(--iron-dark); color: var(--bone); }
.section--cta { background: var(--iron); color: var(--bone); }

.section__head { max-width: 720px; margin-bottom: 56px; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 16px;
}
.eyebrow--light { color: #D9A368; }

.section__title {
  font-size: clamp(1.9rem, 4.2vw, 2.85rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--iron-dark);
}
.section__title--light { color: var(--white); }

.section__sub {
  margin-top: 20px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--gray-600);
  max-width: 60ch;
}
.section--dark .section__sub, .section--cta .section__sub { color: #C7CDD6; }
.section__head--center .section__sub { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--bronze);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--bronze-dark); box-shadow: var(--shadow-md); }
.btn--ghost {
  background: transparent;
  color: var(--iron-dark);
  border-color: var(--gray-300);
}
.btn--ghost:hover { border-color: var(--iron-dark); background: var(--white); }
.btn--ghost-light {
  background: transparent;
  color: var(--bone);
  border-color: rgba(250, 248, 245, 0.35);
}
.btn--ghost-light:hover { border-color: var(--bone); background: rgba(250, 248, 245, 0.08); }
.btn--small { padding: 11px 18px; font-size: 15px; }
.btn--large { padding: 17px 30px; font-size: 17px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--bronze);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s var(--ease), gap 0.2s var(--ease);
}
.link-arrow:hover { border-color: var(--bronze); gap: 10px; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 245, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.03em;
  color: var(--iron-dark);
}
.logo__mark { display: inline-flex; color: var(--bronze); }
.logo__text em { font-style: normal; font-weight: 500; }
.logo--footer { color: var(--bone); font-size: 18px; }

.nav { display: flex; gap: 30px; }
.nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-600);
  transition: color 0.2s var(--ease);
}
.nav a:hover { color: var(--iron-dark); }
.nav__cta { display: inline-flex; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 480px at 78% -8%, rgba(184, 115, 51, 0.12), transparent 60%),
    var(--bone);
  padding: 96px 0 104px;
  border-bottom: 1px solid var(--gray-200);
}
.hero__inner { max-width: 880px; }
.hero__eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 22px;
}
.hero__headline {
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--iron-dark);
}
.hero__headline em { font-style: normal; color: var(--bronze); }
.hero__sub {
  margin-top: 26px;
  font-size: clamp(1.1rem, 1.9vw, 1.3rem);
  color: var(--gray-600);
  max-width: 60ch;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
}
.hero__trust li {
  position: relative;
  padding-left: 26px;
  font-weight: 700;
  font-size: 15px;
  color: var(--iron-dark);
}
.hero__trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--bronze);
  -webkit-mask: var(--check-mask);
  mask: var(--check-mask);
}

/* ---------- Problem grid ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.problem-card {
  background: var(--bone);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.problem-card:hover { box-shadow: var(--shadow-md); border-color: var(--gray-300); }
.problem-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(184, 115, 51, 0.12);
  color: var(--bronze-dark);
  margin-bottom: 18px;
}
.problem-card h3 {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--iron-dark);
  margin-bottom: 8px;
}
.problem-card p { font-size: 15.5px; color: var(--gray-600); }

.problem-math {
  margin-top: 40px;
  padding: 26px 30px;
  background: var(--iron-dark);
  color: var(--bone);
  border-radius: var(--radius);
  font-size: 1.15rem;
  line-height: 1.55;
}
.problem-math strong { color: #E9B782; font-weight: 800; }

/* ---------- Services ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--gray-300); }
.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--iron-dark);
  color: var(--bone);
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--iron-dark);
  margin-bottom: 9px;
}
.service-card p { font-size: 15.5px; color: var(--gray-600); }
.service-card--featured {
  border: 2px solid var(--bronze);
  background: linear-gradient(180deg, rgba(184, 115, 51, 0.06), var(--white));
}
.service-card--featured .service-card__icon { background: var(--bronze); }

/* ---------- Offer + Guarantee ---------- */
.offer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.offer__price-card {
  background: var(--white);
  color: var(--gray-700);
  border-radius: var(--radius);
  padding: 38px 34px;
  box-shadow: var(--shadow-lg);
}
.offer__price-row { display: flex; align-items: baseline; gap: 12px; }
.offer__price {
  font-size: clamp(2.6rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--iron-dark);
  line-height: 1;
}
.offer__price-label { font-size: 15px; font-weight: 600; color: var(--gray-600); }
.offer__plus {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--bronze);
  margin: 10px 0;
}
.offer__list { margin: 24px 0 28px; display: grid; gap: 12px; }
.offer__list li {
  position: relative;
  padding-left: 30px;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
}
.offer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  background: var(--success);
  -webkit-mask: var(--check-mask);
  mask: var(--check-mask);
}
.offer__compare {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--gray-600);
  line-height: 1.5;
}
.offer__guarantee {
  background: rgba(250, 248, 245, 0.05);
  border: 2px solid rgba(184, 115, 51, 0.4);
  border-radius: var(--radius);
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
}
.offer__seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(184, 115, 51, 0.18);
  color: #E9B782;
  margin-bottom: 18px;
}
.offer__guarantee-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}
.offer__guarantee-quote {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--bone);
  border-left: 3px solid var(--bronze);
  padding-left: 18px;
  margin-bottom: 18px;
}
.offer__guarantee-note { font-size: 15px; color: #B9C0CA; }

/* ---------- Work / proof ---------- */
.work-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--bone);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.browser {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
}
.browser__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}
.browser__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gray-300); }
.browser__url {
  margin-left: 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 3px 12px;
}
.browser__shot {
  padding: 34px 28px 40px;
  background:
    radial-gradient(600px 300px at 80% -20%, rgba(184, 115, 51, 0.10), transparent),
    var(--bone);
}
.shot__eyebrow { font-size: 12.5px; font-weight: 700; color: var(--bronze); margin-bottom: 12px; }
.shot__h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; color: var(--iron-dark); line-height: 1.1; }
.shot__sub { margin-top: 8px; font-size: 14.5px; color: var(--gray-600); }
.shot__btns { display: flex; gap: 10px; margin-top: 18px; }
.shot__btn { font-size: 13px; font-weight: 700; padding: 9px 16px; border-radius: 8px; }
.shot__btn--primary { background: var(--bronze); color: var(--white); }
.shot__btn--ghost { border: 2px solid var(--gray-300); color: var(--iron-dark); }

.work-card__tag {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 8px;
}
.work-card__title { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--iron-dark); margin-bottom: 12px; }
.work-card__body p { font-size: 16px; color: var(--gray-600); }
.work-card__features { display: grid; gap: 9px; margin: 18px 0 22px; }
.work-card__features li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
}
.work-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  background: var(--bronze);
  -webkit-mask: var(--check-mask);
  mask: var(--check-mask);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
  text-align: center;
}
.trust-strip__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px 16px;
}
.trust-strip__num {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--bronze);
  line-height: 1;
}
.trust-strip__label { display: block; margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--gray-600); }

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.about__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--iron-dark);
  border-radius: var(--radius);
  padding: 56px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about__initial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: var(--bronze);
  color: var(--white);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.about__name { font-size: 1.25rem; font-weight: 800; color: var(--white); letter-spacing: -0.02em; }
.about__role { font-size: 14px; font-weight: 600; color: #B9C0CA; }
.about__content p { margin-top: 16px; font-size: 16.5px; color: var(--gray-600); }
.about__content .link-arrow { margin-top: 24px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.faq__item[open] { border-color: var(--gray-300); box-shadow: var(--shadow-sm); }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 56px 22px 24px;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--iron-dark);
  position: relative;
  transition: color 0.2s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--bronze-dark); }
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%) rotate(0deg);
  background: var(--bronze);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.2s var(--ease);
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.faq__answer { padding: 0 24px 24px; }
.faq__answer p { font-size: 16px; color: var(--gray-600); }

/* ---------- CTA ---------- */
.cta { text-align: center; max-width: 760px; }
.cta__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
}
.cta__sub { margin: 22px auto 0; font-size: 1.18rem; color: #C7CDD6; max-width: 56ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 36px; }
.cta__fineprint { margin-top: 28px; font-size: 14px; color: #9099A6; }

/* ---------- Footer ---------- */
.footer { background: var(--iron-dark); color: #B9C0CA; padding: 64px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer__tag { margin-top: 16px; font-size: 15px; color: #9099A6; max-width: 34ch; }
.footer__col h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone);
  margin-bottom: 16px;
}
.footer__col ul { display: grid; gap: 10px; }
.footer__col a, .footer__col li { font-size: 15px; color: #B9C0CA; transition: color 0.2s var(--ease); }
.footer__col a:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0; }
.footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  font-size: 13.5px;
  color: #9099A6;
}

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  background: var(--bronze);
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
  text-align: center;
  padding: 16px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(19, 24, 34, 0.3);
}
.mobile-cta:hover { background: var(--bronze-dark); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .offer { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .work-card { grid-template-columns: 1fr; gap: 28px; }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav__cta { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 84px; }
  .header__inner { height: 64px; }
  html { scroll-padding-top: 76px; }
  .mobile-cta { display: block; }
  body { padding-bottom: 76px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .btn--large { width: 100%; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
  .cta__actions { flex-direction: column; }
  .cta__actions .btn { width: 100%; }
  .trust-strip { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}