/* ============================================
   STEEL FRAME 工務店 - Stylesheet
   Industrial Strong Design
   ============================================ */

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

:root {
  --bg: #E8E8E8;
  --bg-light: #F2F2F2;
  --bg-dark: #2A2A2A;
  --text: #2A2A2A;
  --text-light: #666;
  --text-muted: #999;
  --accent: #E8621A;
  --accent-dark: #C94F10;
  --white: #FFFFFF;
  --border: #D0D0D0;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-en: 'Barlow', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.sp-only { display: none; }
.pc-only { display: inline; }

@media (max-width: 768px) {
  .sp-only { display: inline; }
  .pc-only { display: none; }
}

/* --- Sample Banner --- */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--accent);
  color: var(--white);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.sample-banner a {
  color: var(--white);
  text-decoration: underline;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 33px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(232, 232, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-en {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--text);
}

.logo-jp {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.15em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-desktop a {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-desktop a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 700;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--accent-dark);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text);
  position: absolute;
  left: 0;
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  background: var(--white);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
  background: var(--white);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1050;
  background: var(--bg-dark);
  opacity: 0;
  visibility: hidden;
  transition: 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-inner {
  text-align: center;
}

.mobile-nav-logo {
  margin-bottom: 40px;
}

.mobile-nav-logo .logo-en {
  font-size: 28px;
  color: var(--white);
  display: block;
}

.mobile-nav-logo .logo-jp {
  font-size: 13px;
  color: var(--text-muted);
  display: block;
  margin-top: 4px;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav-links a {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: var(--transition);
}

.mobile-nav-links a:hover {
  color: var(--accent);
}

.mobile-cta {
  display: inline-block;
  margin-top: 12px;
  background: var(--accent);
  color: var(--white) !important;
  padding: 14px 40px;
  border-radius: var(--radius);
  font-weight: 700;
}

.mobile-nav-info {
  margin-top: 48px;
}

.mobile-nav-phone {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.mobile-nav-hours {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

@media (max-width: 960px) {
  .nav-desktop { display: none; }
  .hamburger { display: block; }
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  letter-spacing: 0.04em;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 98, 26, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--text);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 103px;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(42,42,42,0.85) 0%, rgba(42,42,42,0.5) 100%);
}

.hero-diagonal {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--bg);
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-sub {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(32px, 5.5vw, 60px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 140px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* --- Section Header --- */
.section-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-label.light {
  color: var(--accent);
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.section-title.light {
  color: var(--white);
}

.section-desc {
  font-size: 15px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

.section-desc.light {
  color: rgba(255,255,255,0.7);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* --- About --- */
.about {
  background: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}

.about-portrait {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.about-portrait::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: 8px;
  bottom: 8px;
  border: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.founder-svg {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
}

.about-image-label {
  margin-top: 16px;
  text-align: center;
}

.about-label-name {
  display: block;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.about-label-title {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.about-story p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 2;
  color: var(--text);
}

.about-signature {
  font-size: 18px !important;
  font-weight: 900;
  color: var(--accent) !important;
  margin-top: 24px !important;
}

.about-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 2px solid var(--border);
}

.about-number {
  text-align: center;
}

.number-value {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.number-unit {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-left: 2px;
}

.number-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-portrait {
    max-width: 260px;
    margin: 0 auto;
  }

  .about-numbers {
    gap: 16px;
  }

  .number-value {
    font-size: 36px;
  }
}

/* --- Strength --- */
.strength {
  background: var(--bg);
  overflow: hidden;
}

.strength-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(42,42,42,0.015) 40px,
      rgba(42,42,42,0.015) 42px
    );
  pointer-events: none;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.strength-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
  border: 1px solid transparent;
  overflow: hidden;
}

.strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
}

.strength-card:hover::before {
  transform: scaleX(1);
}

.strength-card-number {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 900;
  color: rgba(42,42,42,0.06);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
}

.strength-card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
}

.strength-card-icon svg {
  width: 100%;
  height: 100%;
}

.strength-card-title {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.strength-card-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

@media (max-width: 960px) {
  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .strength-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Works --- */
.works {
  background: var(--bg-light);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.works-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.works-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.works-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.works-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.6s ease;
}

.works-card:hover .works-card-image img {
  transform: scale(1.06);
}

.works-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius);
}

.works-card-body {
  padding: 24px;
}

.works-card-title {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 8px;
}

.works-card-spec {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.works-card-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .works-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

/* --- Factory --- */
.factory {
  background: var(--bg);
  padding: 0;
  overflow: hidden;
}

.factory-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
}

.factory-image {
  position: relative;
  overflow: hidden;
}

.factory-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.factory-image-accent {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 80px;
  background: linear-gradient(to right, transparent, var(--bg));
}

.factory-content {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.factory-text {
  font-size: 15px;
  color: var(--text-light);
  line-height: 2;
  margin-bottom: 32px;
}

.factory-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.factory-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
}

.factory-feature svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .factory-inner {
    grid-template-columns: 1fr;
  }

  .factory-image {
    aspect-ratio: 16/9;
  }

  .factory-image-accent { display: none; }

  .factory-content {
    padding: 48px 24px;
  }
}

/* --- Process --- */
.process {
  background: var(--bg-light);
}

.process-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.process-line {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.process-step {
  display: flex;
  gap: 28px;
  margin-bottom: 40px;
  position: relative;
}

.process-step:last-child { margin-bottom: 0; }

.process-step-marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.process-step-marker span {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
  color: var(--accent);
}

.process-step-content {
  padding-top: 8px;
}

.process-step-content h3 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 8px;
}

.process-step-content p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

@media (max-width: 580px) {
  .process-step { gap: 20px; }
  .process-step-marker { width: 44px; height: 44px; }
  .process-step-marker span { font-size: 14px; }
  .process-line { left: 21px; }
}

/* --- FAQ --- */
.faq {
  background: var(--bg);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid transparent;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.9;
}

/* --- Company --- */
.company {
  background: var(--bg-light);
}

.company-table {
  max-width: 800px;
  margin: 0 auto;
}

.company-table table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--border);
}

.company-table th,
.company-table td {
  padding: 18px 20px;
  font-size: 14px;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 160px;
  font-weight: 700;
  background: rgba(42,42,42,0.03);
  white-space: nowrap;
}

.company-table td {
  color: var(--text-light);
}

@media (max-width: 580px) {
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 12px 16px;
  }

  .company-table th {
    padding-bottom: 4px;
  }

  .company-table td {
    padding-top: 4px;
    padding-bottom: 16px;
  }
}

/* --- Contact --- */
.contact {
  background: var(--bg-dark);
  overflow: hidden;
}

.contact-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.015) 60px,
      rgba(255,255,255,0.015) 62px
    );
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
  position: relative;
}

.contact-phone {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
}

.contact-phone-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.contact-phone-number {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.04em;
  display: block;
}

.contact-phone-number:hover {
  color: var(--accent);
}

.contact-phone-hours {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.required {
  background: var(--accent);
  color: var(--white);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-jp);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23999' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-dark);
  color: var(--white);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

/* --- Footer --- */
.footer {
  background: #1A1A1A;
  color: var(--white);
  padding: 60px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  gap: 60px;
}

.footer-nav-col h4 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.6);
}

.footer-nav-col a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-nav-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  margin-top: 0;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-credit {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-credit a {
  color: var(--accent);
  text-decoration: underline;
}

.footer-credit a:hover {
  color: var(--white);
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .footer-nav {
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* --- Animations --- */
.animate-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.delay-1 { transition-delay: 0.15s !important; }
.delay-2 { transition-delay: 0.3s !important; }
.delay-3 { transition-delay: 0.45s !important; }

/* --- Utility: Responsive tweaks --- */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero-scroll { display: none; }

  .hero-diagonal {
    height: 60px;
  }
}

@media (max-width: 480px) {
  .header-inner { height: 60px; }
  .header { top: 33px; }

  .hero {
    padding-top: 93px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}