/* ============================================================
   BFNUT Solar — site stylesheet
   Theme: LIGHT cream + SOLAR ORANGE accent (#FF6D00)
   ============================================================ */

:root {
  --cream: #FBF7F0;
  --cream-2: #F4ECE0;
  --cream-3: #EFE4D3;
  --white: #FFFFFF;
  --ink: #241D15;
  --ink-soft: #58483A;
  --ink-muted: #7A6A57;
  --orange: #FF6D00;
  --orange-deep: #E65C00;
  --orange-soft: #FF9A3D;
  --orange-pale: #FFE8D2;
  --line: #E8DCC9;
  --dark: #1F1810;
  --dark-2: #2B2118;
  --dark-3: #372B1F;
  --radius: 16px;
  --shadow: 0 18px 50px -20px rgba(36, 29, 21, 0.25);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-size: 16px;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-solid {
  background-color: var(--orange);
  color: var(--ink);
  border-color: var(--orange);
}

.btn-solid:hover {
  background-color: var(--orange-deep);
  border-color: var(--orange-deep);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 16px 30px -14px var(--orange-deep);
}

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

.btn-ghost:hover {
  background-color: var(--ink);
  color: var(--cream);
  transform: translateY(-3px);
}

.btn-cream {
  background-color: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}

.btn-cream:hover {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  transform: translateY(-3px);
}

/* ============================================================
   NAVIGATION — DOT-MARKER TOP BAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--cream);
  border-bottom: 1px solid var(--line);
}

.navbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--orange-soft), var(--orange-deep));
  box-shadow: 0 0 0 4px var(--orange-pale);
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--ink);
}

.brand-name .brand-accent {
  color: var(--orange-deep);
}

.dots-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.dot-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.25s ease;
}

.dot-link .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  background-color: transparent;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.dot-link:hover,
.dot-link.is-active {
  color: var(--orange-deep);
}

.dot-link:hover .dot,
.dot-link.is-active .dot {
  background-color: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-pale);
  transform: scale(1.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background-color: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============================================================
   HERO — SUNBURST RAYS
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 24px 72px;
  text-align: center;
}

.sunburst {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120vmin;
  height: 120vmin;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: repeating-conic-gradient(
    from 0deg,
    rgba(255, 154, 61, 0.2) 0deg 5deg,
    rgba(255, 109, 0, 0.2) 5deg 10deg,
    rgba(230, 92, 0, 0.2) 10deg 14deg
  );
  -webkit-mask-image: radial-gradient(circle, transparent 0 16%, #000 30%, #000 100%);
  mask-image: radial-gradient(circle, transparent 0 16%, #000 30%, #000 100%);
  z-index: 0;
  animation: sunspin 90s linear infinite;
  pointer-events: none;
}

@keyframes sunspin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.hero-kicker {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background-color: var(--orange-pale);
  color: var(--orange-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.hero-title {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-title .accent {
  color: var(--orange-deep);
}

.hero-sub {
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.stat {
  flex: 1 1 180px;
  max-width: 240px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
}

.stat-num {
  display: block;
  font-size: 40px;
  font-weight: 900;
  color: var(--orange-deep);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.3px;
}

/* ============================================================
   SECTION HEAD + STATEMENT ROW
   ============================================================ */
.section-head {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.overline {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange-deep);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-head p.lead {
  font-size: 17px;
  color: var(--ink-soft);
}

/* Statement row */
.statement {
  background-color: var(--dark);
  color: var(--cream);
  padding: 96px 24px;
}

.statement-inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.statement .overline {
  color: var(--orange-soft);
}

.statement-title {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--cream);
  margin-bottom: 26px;
}

.statement-text {
  font-size: 19px;
  line-height: 1.75;
  color: #F3EADF;
  max-width: 780px;
  margin: 0 auto 34px;
}

.statement-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.tag {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--orange-soft);
  color: var(--orange-soft);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* ============================================================
   CAPABILITIES — NUMBERED LIST
   ============================================================ */
.capabilities {
  background-color: var(--cream);
  padding: 96px 24px;
}

.section-shell {
  max-width: 1240px;
  margin: 0 auto;
}

.num-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.num-item {
  display: flex;
  gap: 28px;
  padding: 34px 8px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}

.num-item:first-child {
  border-top: 1px solid var(--line);
}

.num {
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  color: var(--orange);
  min-width: 68px;
}

.num-body h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.num-body p {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 760px;
}

/* ============================================================
   PROCESS — COMPARISON TABLE
   ============================================================ */
.process {
  background-color: var(--cream-2);
  padding: 96px 24px;
}

.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  min-width: 640px;
}

.compare-table th,
.compare-table td {
  padding: 22px 26px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.compare-table thead th {
  background-color: var(--dark);
  color: var(--cream);
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 15px;
}

.compare-table thead th.hl {
  background-color: var(--orange-deep);
  color: var(--white);
}

.compare-table tbody td {
  color: var(--ink-soft);
}

.compare-table tbody td:first-child {
  font-weight: 700;
  color: var(--ink);
}

.compare-table tbody tr:nth-child(even) {
  background-color: var(--cream-2);
}

.compare-table tbody td.hl {
  background-color: var(--orange-pale);
  color: var(--ink);
  font-weight: 600;
}

.check {
  color: var(--orange-deep);
  font-weight: 900;
}

/* ============================================================
   RESULTS — HORIZONTAL SCROLL CARDS
   ============================================================ */
.results {
  background-color: var(--cream);
  padding: 96px 0;
}

.results .section-head {
  padding: 0 24px;
}

.scroll-row {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 24px 32px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.result-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-top: 5px solid var(--orange);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: 0 14px 36px -22px rgba(36, 29, 21, 0.3);
}

.result-num {
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
  color: var(--orange-deep);
  margin-bottom: 12px;
}

.result-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.result-card p {
  font-size: 15px;
  color: var(--ink-soft);
}

/* ============================================================
   FAQ — ACCORDION
   ============================================================ */
.faq-section {
  background-color: var(--cream-2);
  padding: 96px 24px;
}

.accordion {
  max-width: 860px;
  margin: 0 auto;
}

.acc-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--white);
  margin-bottom: 14px;
  overflow: hidden;
}

.acc-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
}

.acc-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--orange-pale);
  color: var(--orange-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  transition: transform 0.3s ease;
}

.acc-item.open .acc-icon {
  transform: rotate(45deg);
}

.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.acc-panel-inner {
  padding: 0 26px 24px;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section {
  background-color: var(--cream);
  padding: 96px 24px;
}

.contact-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 18px;
}

.contact-info > p {
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 30px;
}

.contact-lines {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-line {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
}

.contact-line .icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--orange-pale);
  color: var(--orange-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  flex-shrink: 0;
}

.contact-form {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: var(--cream);
  color: var(--ink);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-pale);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 14px;
  color: var(--ink-muted);
  margin-top: 6px;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
}

.form-status.show {
  display: block;
}

.form-status.ok {
  background-color: #E8F4E3;
  color: #2F6B1F;
}

.form-status.err {
  background-color: #FDE7DF;
  color: #B03A12;
}

/* ============================================================
   FOOTER — NEWSLETTER + MULTI-COLUMN + WATERMARK
   ============================================================ */
.site-footer {
  background-color: var(--dark);
  color: var(--cream);
}

.newsletter-band {
  border-bottom: 1px solid var(--dark-3);
  padding: 48px 24px;
}

.newsletter-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.newsletter-inner h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--cream);
}

.newsletter-inner p {
  color: #D9CCBB;
  font-size: 15px;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.newsletter-form input {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--dark-3);
  background-color: var(--dark-2);
  color: var(--cream);
  font-size: 15px;
  min-width: 260px;
}

.newsletter-form input::placeholder {
  color: #B4A48F;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--orange);
}

.footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 24px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .brand-name {
  color: var(--cream);
}

.footer-brand p {
  color: #D9CCBB;
  font-size: 15px;
  margin: 18px 0 20px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--orange-soft);
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 11px;
}

.footer-col ul li a {
  color: #D9CCBB;
  font-size: 15px;
  transition: color 0.25s ease;
}

.footer-col ul li a:hover {
  color: var(--orange-soft);
}

.footer-watermark {
  padding: 8px 24px 0;
  max-width: 1240px;
  margin: 0 auto;
  font-size: clamp(56px, 11vw, 150px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 0.9;
  color: var(--dark-2);
  text-align: center;
  user-select: none;
  pointer-events: none;
}

.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: #B4A48F;
}

.footer-bottom .legal-links {
  display: flex;
  gap: 22px;
}

.footer-bottom .legal-links a {
  color: #D9CCBB;
  transition: color 0.25s ease;
}

.footer-bottom .legal-links a:hover {
  color: var(--orange-soft);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .dots-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: var(--cream);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 8px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .navbar.nav-open .dots-nav {
    max-height: 420px;
  }

  .dot-link {
    width: 100%;
    padding: 14px 24px;
    gap: 12px;
    font-size: 14px;
  }

  .navbar.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .navbar.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .navbar.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero {
    padding: 64px 20px 56px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .newsletter-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .num-item {
    flex-direction: column;
    gap: 10px;
  }
}