/* ============================================
   有限会社システム開発 - Corporate Design System
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700;900&family=Noto+Serif+JP:wght@400;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary Colors - Dark Green (環境・自然) */
  --color-primary-900: #0a1f14;
  --color-primary-800: #122d1e;
  --color-primary-700: #1a3f2a;
  --color-primary-600: #245236;
  --color-primary-500: #2e6844;
  --color-primary-400: #3d8a5a;
  --color-primary-300: #5aad78;
  --color-primary-200: #8ecba2;
  --color-primary-100: #c3e5d0;
  --color-primary-50: #eaf6ef;

  /* Accent Colors - Gold (信頼・品格) */
  --color-accent-900: #3d2e00;
  --color-accent-800: #614a00;
  --color-accent-700: #8a6b00;
  --color-accent-600: #b38d00;
  --color-accent-500: #d4a816;
  --color-accent-400: #e8c34a;
  --color-accent-300: #f0d678;
  --color-accent-200: #f5e5a5;
  --color-accent-100: #faf2d2;
  --color-accent-50: #fdf9ec;

  /* Neutral Colors */
  --color-neutral-950: #0a0a0a;
  --color-neutral-900: #171717;
  --color-neutral-800: #262626;
  --color-neutral-700: #404040;
  --color-neutral-600: #525252;
  --color-neutral-500: #737373;
  --color-neutral-400: #a3a3a3;
  --color-neutral-300: #d4d4d4;
  --color-neutral-200: #e5e5e5;
  --color-neutral-100: #f5f5f5;
  --color-neutral-50: #fafafa;

  /* Semantic Colors */
  --color-bg-dark: #0c1a12;
  --color-bg-section: #f8faf9;
  --color-bg-white: #ffffff;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #525252;
  --color-text-light: #f5f5f5;
  --color-text-accent: #d4a816;
  --color-border: #e0e0e0;

  /* Typography */
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-gold: 0 4px 20px rgba(212, 168, 22, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* --- Section Base --- */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section--alt {
  background-color: var(--color-bg-section);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-500);
  margin-bottom: var(--space-md);
  position: relative;
  padding: var(--space-xs) var(--space-lg);
  border: 1px solid var(--color-accent-500);
  border-radius: var(--radius-full);
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-lg);
  color: var(--color-primary-800);
}

.section--dark .section__title {
  color: var(--color-text-light);
}

.section__subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section--dark .section__subtitle {
  color: var(--color-neutral-400);
}

/* --- Gold Divider --- */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-500), var(--color-accent-300));
  margin: var(--space-lg) auto;
  border-radius: var(--radius-full);
}

/* ===========================
   HEADER / NAVIGATION
   =========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 31, 20, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-sm) 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-300));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-primary-900);
}

.header__logo-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.header__logo-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--color-accent-400);
  letter-spacing: 0.1em;
}

.nav__list {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.nav__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  position: relative;
  padding: var(--space-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-500);
  transition: var(--transition-base);
}

.nav__link:hover {
  color: var(--color-accent-400);
}

.nav__link:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-light);
  transition: var(--transition-base);
  border-radius: 2px;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    160deg,
    var(--color-primary-900) 0%,
    var(--color-primary-800) 30%,
    var(--color-primary-700) 60%,
    var(--color-primary-600) 100%
  );
  overflow: hidden;
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    radial-gradient(circle at 20% 50%, var(--color-accent-500) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, var(--color-accent-500) 1px, transparent 1px),
    radial-gradient(circle at 50% 80%, var(--color-accent-500) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px, 100px 100px;
  animation: patternFloat 20s ease-in-out infinite;
}

@keyframes patternFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10px, -10px); }
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero__glow--1 {
  top: -200px;
  right: -100px;
  background: var(--color-accent-500);
}

.hero__glow--2 {
  bottom: -200px;
  left: -100px;
  background: var(--color-primary-300);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--space-5xl) var(--space-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(212, 168, 22, 0.1);
  border: 1px solid rgba(212, 168, 22, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-accent-400);
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent-400), var(--color-accent-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 650px;
  margin: 0 auto var(--space-2xl);
  line-height: 2;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero__actions {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  animation: fadeInUp 0.8s ease 1s both;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent-500), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  letter-spacing: 0.05em;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-400));
  color: var(--color-primary-900);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 168, 22, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid rgba(255,255,255,0.3);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-accent-400);
  color: var(--color-accent-400);
}

.btn__arrow {
  transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
}

.service-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-2xl);
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

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

.service-card__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  color: var(--color-primary-600);
  transition: var(--transition-base);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-400));
  color: white;
  transform: scale(1.05);
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-primary-800);
}

.service-card__description {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.service-card__features {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.service-card__feature-check {
  width: 18px;
  height: 18px;
  background: var(--color-primary-100);
  color: var(--color-primary-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-card__feature-check svg {
  width: 10px;
  height: 10px;
}

/* ===========================
   COMPANY OVERVIEW SECTION
   =========================== */
.company__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.company__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.company__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.company__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 31, 20, 0.6), transparent);
}

.company__image-badge {
  position: absolute;
  bottom: var(--space-xl);
  left: var(--space-xl);
  background: rgba(10, 31, 20, 0.8);
  backdrop-filter: blur(10px);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  color: white;
  border-left: 3px solid var(--color-accent-500);
}

.company__image-badge-label {
  font-size: 0.7rem;
  color: var(--color-accent-400);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.company__image-badge-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

.company__table {
  width: 100%;
  border-collapse: collapse;
}

.company__table tr {
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.company__table tr:hover {
  background: var(--color-primary-50);
}

.company__table th {
  padding: var(--space-lg) var(--space-lg);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-700);
  text-align: left;
  width: 140px;
  vertical-align: top;
  white-space: nowrap;
}

.company__table td {
  padding: var(--space-lg) var(--space-lg);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  line-height: 1.7;
}

/* ===========================
   GREETING SECTION
   =========================== */
.greeting__content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-4xl);
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}

.greeting__photo-wrapper {
  position: relative;
}

.greeting__photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
  display: flex;
  align-items: center;
  justify-content: center;
}

.greeting__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.greeting__photo-accent {
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 80px;
  height: 80px;
  border: 3px solid var(--color-accent-500);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.greeting__name-card {
  text-align: center;
  margin-top: var(--space-lg);
}

.greeting__position {
  font-size: 0.8rem;
  color: var(--color-accent-600);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.greeting__name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-800);
}

.greeting__text {
  padding-top: var(--space-lg);
}

.greeting__text h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-800);
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

.greeting__text p {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.greeting__signature {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary-700);
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.contact__info {
  padding: var(--space-3xl);
  background: linear-gradient(
    160deg,
    var(--color-primary-800),
    var(--color-primary-700)
  );
  border-radius: var(--radius-lg);
  color: white;
  position: relative;
  overflow: hidden;
}

.contact__info::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(212, 168, 22, 0.1);
}

.contact__info-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2xl);
}

.contact__info-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: flex-start;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  background: rgba(212, 168, 22, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent-400);
}

.contact__info-icon svg {
  width: 20px;
  height: 20px;
}

.contact__info-label {
  font-size: 0.75rem;
  color: var(--color-accent-400);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.contact__info-value {
  font-size: 0.95rem;
  line-height: 1.7;
}

.contact__form {
  padding: var(--space-3xl);
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.form__group {
  margin-bottom: var(--space-xl);
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-700);
  margin-bottom: var(--space-sm);
}

.form__label--required::after {
  content: '必須';
  display: inline-block;
  margin-left: var(--space-sm);
  padding: 1px 8px;
  background: var(--color-accent-100);
  color: var(--color-accent-700);
  font-size: 0.65rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: var(--transition-base);
  background: var(--color-neutral-50);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(46, 104, 68, 0.1);
  background: white;
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  letter-spacing: 0.05em;
}

.form__submit:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--color-primary-900);
  color: var(--color-text-light);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer__brand-description {
  font-size: 0.85rem;
  color: var(--color-neutral-400);
  line-height: 1.8;
  max-width: 400px;
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-400);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.1em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__link {
  font-size: 0.85rem;
  color: var(--color-neutral-400);
}

.footer__link:hover {
  color: var(--color-accent-400);
}

.footer__bottom {
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.75rem;
  color: var(--color-neutral-500);
}

/* ===========================
   SECURITY PAGE
   =========================== */
.security-hero {
  background: linear-gradient(
    160deg,
    var(--color-primary-900) 0%,
    var(--color-primary-800) 100%
  );
  padding: 160px 0 var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.security-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  color: white;
  margin-bottom: var(--space-lg);
}

.security-hero__subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  max-width: 600px;
  margin: 0 auto;
}

.security-hero__shield {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-300));
  border-radius: 50%;
  margin-bottom: var(--space-2xl);
  box-shadow: 0 0 40px rgba(212, 168, 22, 0.3);
}

.security-hero__shield svg {
  color: var(--color-primary-900);
}

.security-content {
  padding: var(--space-4xl) 0;
}

.security-section {
  margin-bottom: var(--space-4xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.security-section__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-800);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-primary-200);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.security-section__icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-400));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.security-section__text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 2;
  margin-bottom: var(--space-lg);
}

.security-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.security-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary-500);
  transition: var(--transition-base);
}

.security-list__item:hover {
  background: var(--color-primary-50);
  transform: translateX(4px);
}

.security-list__number {
  width: 28px;
  height: 28px;
  background: var(--color-primary-500);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.security-list__content {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}

.security-date {
  text-align: center;
  padding: var(--space-3xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: var(--space-3xl) auto 0;
}

.security-date__label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.security-date__company {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-800);
  margin-bottom: var(--space-sm);
}

.security-date__person {
  font-size: 1rem;
  color: var(--color-text-primary);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.animate-left {
  transform: translateX(-30px);
}

.animate-on-scroll.animate-left.is-visible {
  transform: translateX(0);
}

.animate-on-scroll.animate-right {
  transform: translateX(30px);
}

.animate-on-scroll.animate-right.is-visible {
  transform: translateX(0);
}

/* Stagger delay for children */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
  .company__content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .greeting__content {
    grid-template-columns: 200px 1fr;
    gap: var(--space-2xl);
  }

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

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  /* Header Mobile */
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-primary-900);
    flex-direction: column;
    padding: var(--space-5xl) var(--space-2xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: -5px 0 30px rgba(0,0,0,0.3);
    z-index: 999;
  }

  .nav__list.is-open {
    right: 0;
  }

  .nav__link {
    font-size: 1rem;
  }

  /* Nav overlay */
  .nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
  }

  .nav__overlay.is-open {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: 90vh;
  }

  .hero__content {
    padding: var(--space-4xl) var(--space-lg);
  }

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

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
  }

  /* Greeting */
  .greeting__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .greeting__photo-wrapper {
    max-width: 250px;
    margin: 0 auto;
  }

  .greeting__text {
    text-align: left;
  }

  /* Company table */
  .company__table th,
  .company__table td {
    padding: var(--space-md);
  }

  .company__table th {
    width: 100px;
    font-size: 0.8rem;
  }

  .company__table td {
    font-size: 0.85rem;
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero__title {
    font-size: 1.8rem;
  }

  .service-card {
    padding: var(--space-2xl) var(--space-lg);
  }

  .contact__info,
  .contact__form {
    padding: var(--space-2xl);
  }
}