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

:root {
  --green: #00A758;
  --green-light: #00c066;
  --green-dark: #008a48;
  --green-bg: rgba(0,167,88,0.06);
  --green-border: rgba(0,167,88,0.18);
  --navy: #1a2332;
  --navy-light: #2c3e50;
  --white: #ffffff;
  --off-white: #f8f9fb;
  --gray-50: #f1f3f5;
  --gray-100: #e9ecef;
  --gray-200: #dee2e6;
  --gray-400: #adb5bd;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --text: #4a5568;
  --text-heading: #1a2332;
  --border: #e2e6ea;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--white); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

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

/* ── Navigation ── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 68px; }
.nav-logo img { height: 30px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.87rem; font-weight: 500; color: var(--gray-600); transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-links a.active:not(.nav-cta):not(.nav-login) { position: relative; }
.nav-links a.active:not(.nav-cta):not(.nav-login)::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--green); border-radius: 1px; }
.nav-cta { background: var(--green); color: var(--white) !important; padding: 10px 22px; border-radius: 6px; font-weight: 600; font-size: 0.84rem; transition: all 0.3s; }
.nav-cta:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,167,88,0.25); }
.nav-login { display: inline-flex; align-items: center; gap: 5px; padding: 6px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.3px; color: var(--gray-600) !important; background: var(--off-white); border: 1px solid transparent; transition: all 0.3s; }
.nav-login svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; flex-shrink: 0; }
.nav-login:hover { color: var(--green) !important; background: var(--green-bg); border-color: var(--green-border); }
.lang-toggle { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; gap: 0; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: var(--white); box-shadow: 0 4px 20px rgba(0,0,0,0.12); }
.lang-btn { background: none; border: none; padding: 8px 16px; font-size: 0.82rem; font-weight: 600; color: var(--gray-400); cursor: pointer; transition: all 0.2s; font-family: var(--font-body); }
.lang-btn.active { background: var(--green); color: var(--white); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; transition: all 0.3s; border-radius: 2px; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 28px; border-radius: 6px; font-weight: 600; font-size: 0.9rem; transition: all 0.3s; border: none; cursor: pointer; letter-spacing: 0.2px; }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,167,88,0.25); }
.btn-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-white { background: var(--white); color: var(--green); }
.btn-white:hover { background: var(--off-white); transform: translateY(-2px); }

/* ── Page Hero ── */
.page-hero { padding: 120px 0 60px; background: linear-gradient(170deg, var(--off-white) 60%, rgba(0,167,88,0.04) 100%); border-bottom: 1px solid var(--border); }
.page-hero .sec-label { margin-bottom: 12px; }
.page-hero h1 { font-family: var(--font-heading); font-size: 2.6rem; font-weight: 600; color: var(--text-heading); line-height: 1.25; margin-bottom: 14px; text-wrap: balance; }
.page-hero p { font-size: 1.05rem; color: var(--gray-600); max-width: 600px; line-height: 1.8; }

/* ── Section ── */
.section { padding: 90px 0; }
.section--alt { background: var(--off-white); }
.sec-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.75rem; font-weight: 600; color: var(--green); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 14px; }
.sec-label::before { content: ''; width: 24px; height: 2px; background: var(--green); border-radius: 1px; }
.sec-title { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 600; color: var(--text-heading); line-height: 1.25; margin-bottom: 14px; text-wrap: balance; }
.sec-sub { font-size: 1rem; color: var(--gray-600); max-width: 580px; line-height: 1.8; }

/* ── Cards ── */
.card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 32px 28px; transition: all 0.35s; }
.card:hover { border-color: var(--green-border); border-top: 2px solid var(--green); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { width: 48px; height: 48px; background: var(--green-bg); border: 1px solid var(--green-border); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.card-icon svg { width: 22px; height: 22px; stroke: var(--green); fill: none; stroke-width: 1.5; }
.card h3 { font-family: var(--font-heading); font-size: 1.08rem; color: var(--text-heading); font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 0.87rem; color: var(--gray-600); line-height: 1.75; }

/* ── Highlight Box ── */
.highlight-box { background: var(--green-bg); border-left: 3px solid var(--green); padding: 22px 26px; border-radius: 0 8px 8px 0; margin: 24px 0; }
.highlight-box p { margin: 0; font-size: 0.95rem; color: var(--text); font-style: italic; line-height: 1.8; }

/* ── Info Cards (small) ── */
.info-card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 24px; display: flex; gap: 16px; align-items: start; transition: all 0.3s; }
.info-card:hover { border-color: var(--green-border); }
.info-card-icon { width: 42px; height: 42px; min-width: 42px; background: var(--green-bg); border: 1px solid var(--green-border); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.info-card-icon svg { width: 20px; height: 20px; stroke: var(--green); fill: none; stroke-width: 1.5; }
.info-card h4 { font-size: 0.92rem; color: var(--text-heading); font-weight: 600; margin-bottom: 4px; }
.info-card p { font-size: 0.84rem; color: var(--gray-600); line-height: 1.65; }

/* ── Timeline ── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(to bottom, var(--green), var(--gray-200)); border-radius: 1px; }
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot { position: absolute; left: -29px; top: 6px; width: 12px; height: 12px; background: var(--green); border-radius: 50%; border: 2px solid var(--white); box-shadow: 0 0 0 2px var(--green); }
.timeline-date { font-size: 0.78rem; color: var(--green); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.timeline-role { font-family: var(--font-heading); font-size: 1.12rem; color: var(--text-heading); font-weight: 600; margin-bottom: 3px; }
.timeline-company { font-size: 0.88rem; color: var(--gray-600); margin-bottom: 8px; }
.timeline-desc { font-size: 0.85rem; color: var(--gray-600); line-height: 1.75; }

/* ── CTA Banner ── */
.cta-banner { padding: 72px 0; background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%); text-align: center; }
.cta-banner h2 { font-family: var(--font-heading); font-size: 2rem; color: var(--white); font-weight: 600; margin-bottom: 14px; text-wrap: balance; }
.cta-banner p { font-size: 1rem; color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 28px; line-height: 1.8; }

/* ── Contact Info ── */
.contact-detail { display: flex; gap: 14px; align-items: start; }
.contact-detail-icon { width: 42px; height: 42px; min-width: 42px; background: var(--green-bg); border: 1px solid var(--green-border); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.contact-detail-icon svg { width: 20px; height: 20px; stroke: var(--green); fill: none; stroke-width: 1.5; }
.contact-detail h4 { font-size: 0.88rem; color: var(--text-heading); font-weight: 600; margin-bottom: 2px; }
.contact-detail p, .contact-detail a { font-size: 0.88rem; color: var(--gray-600); line-height: 1.5; }
.contact-detail a:hover { color: var(--green); }

/* ── Contact Form ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; margin-top: 44px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-form-box { background: var(--off-white); border: 1px solid var(--border); border-radius: 12px; padding: 34px; }
.contact-form-box h3 { font-family: var(--font-heading); font-size: 1.25rem; color: var(--text-heading); font-weight: 600; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--gray-600); margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; background: var(--white); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text-heading); font-family: var(--font-body); font-size: 0.88rem; transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,167,88,0.08); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-400); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group select { cursor: pointer; }
.form-status { margin-top: 12px; padding: 10px 14px; border-radius: 6px; font-size: 0.85rem; text-align: center; display: none; }
.form-status--success { display: block !important; background: rgba(0,167,88,0.08); color: var(--green-dark); border: 1px solid var(--green-border); }
.form-status--error { display: block !important; background: rgba(239,68,68,0.08); color: #dc2626; border: 1px solid rgba(239,68,68,0.2); }

/* ── Footer ── */
.footer { padding: 48px 0 24px; border-top: 1px solid var(--border); background: var(--off-white); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-brand img { height: 26px; opacity: 0.8; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.82rem; color: var(--gray-600); transition: color 0.3s; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.73rem; color: var(--gray-400); line-height: 1.6; }
.footer-disclaimer { max-width: 780px; }

/* ── Footer Social ── */
.footer-social { display: flex; gap: 10px; margin-top: 10px; }
.footer-social a { width: 28px; height: 28px; border-radius: 50%; background: var(--green-bg); border: 1px solid var(--green-border); display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
.footer-social a svg { width: 13px; height: 13px; fill: var(--green); }
.footer-social a:hover { background: var(--green); border-color: var(--green); }
.footer-social a:hover svg { fill: var(--white); }

/* ── Article Container (Philosophy page) ── */
.article-container { max-width: 720px; margin: 0 auto; }
.article-container h2 { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 600; color: var(--text-heading); margin: 48px 0 18px; line-height: 1.3; text-wrap: balance; }
.article-container h2:first-child { margin-top: 0; }
.article-container p { font-size: 0.95rem; color: var(--text); line-height: 1.9; margin-bottom: 16px; }
.article-container p em { color: var(--text-heading); font-style: italic; }
.article-container blockquote { background: var(--green-bg); border-left: 3px solid var(--green); padding: 22px 26px; border-radius: 0 8px 8px 0; margin: 28px 0; }
.article-container blockquote p { margin: 0; font-style: italic; color: var(--text-heading); font-size: 1rem; line-height: 1.8; }
.article-container blockquote cite { display: block; margin-top: 8px; font-size: 0.82rem; color: var(--gray-600); font-style: normal; }
.article-container ul { list-style: none; padding: 0; margin: 18px 0 24px; }
.article-container ul li { font-size: 0.93rem; color: var(--text); padding: 6px 0 6px 22px; position: relative; line-height: 1.75; }
.article-container ul li::before { content: ''; position: absolute; left: 0; top: 14px; width: 8px; height: 8px; background: var(--green); border-radius: 50%; }
.article-container .article-author { display: flex; align-items: center; gap: 16px; padding: 24px; background: var(--off-white); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 40px; }
.article-container .article-author img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--green-border); }
.article-container .article-author-name { font-weight: 600; color: var(--text-heading); font-size: 0.95rem; }
.article-container .article-author-title { font-size: 0.82rem; color: var(--gray-600); }
.article-container .article-divider { width: 60px; height: 2px; background: var(--green); border-radius: 1px; margin: 36px 0; }
.article-container .article-lead { font-size: 1.1rem; color: var(--text-heading); line-height: 1.85; font-weight: 400; margin-bottom: 24px; }

/* ── Fade Animation ── */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .page-hero h1 { font-size: 2rem; }
  .sec-title { font-size: 1.8rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-banner h2 { font-size: 1.6rem; }
  .cta-banner { padding: 56px 0; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 68px; left: 0; right: 0; height: calc(100vh - 68px); height: calc(100dvh - 68px); background: var(--white); flex-direction: column; padding: 24px; gap: 12px; box-shadow: var(--shadow-lg); overflow-y: auto; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; padding: 10px 0; }
  .nav-links a.active:not(.nav-cta):not(.nav-login)::after { display: none; }
  .nav-cta { text-align: center; margin-top: 8px; display: block; padding: 14px 22px; }
  .nav-login { align-self: center; padding: 10px 20px; margin-top: 8px; font-size: 0.85rem; }
  .hamburger { display: block; }
  .container { padding: 0 18px; }
  .page-hero { padding: 96px 0 36px; }
  .page-hero h1 { font-size: 1.7rem; }
  .page-hero p { font-size: 0.95rem; }
  .section { padding: 56px 0; }
  .sec-title { font-size: 1.5rem; }
  .sec-sub { font-size: 0.92rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; padding: 13px 14px; }
  .btn { padding: 14px 24px; font-size: 0.92rem; width: 100%; }
  .card { padding: 24px 20px; }
  .contact-form-box { padding: 24px 18px; }
  .info-card { padding: 18px; }
  .highlight-box { padding: 18px 20px; }
  .footer-social { justify-content: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-disclaimer { max-width: 100%; }
  .cta-banner h2 { font-size: 1.4rem; }
  .cta-banner p { font-size: 0.92rem; }
  .cta-banner { padding: 48px 0; }
  /* Images */
  img { height: auto; }
  .approach-img { max-height: 280px; width: 100%; object-fit: cover; }
  /* Article / Philosophy */
  .article-container h2 { font-size: 1.3rem; margin: 32px 0 14px; }
  .article-container blockquote { padding: 16px 18px; }
  .article-container .article-author { padding: 16px; gap: 12px; }
}
@media (max-width: 480px) {
  .page-hero { padding: 88px 0 28px; }
  .page-hero h1 { font-size: 1.45rem; }
  .page-hero p { font-size: 0.88rem; }
  .section { padding: 40px 0; }
  .sec-title { font-size: 1.3rem; }
  .sec-sub { font-size: 0.85rem; }
  .cta-banner { padding: 36px 0; }
  .cta-banner h2 { font-size: 1.2rem; }
  .cta-banner p { font-size: 0.85rem; }
  .card { padding: 20px 16px; }
  .info-card { padding: 14px; gap: 12px; }
  .info-card-icon { width: 36px; height: 36px; min-width: 36px; }
  .contact-detail { gap: 10px; }
  .contact-detail-icon { width: 36px; height: 36px; min-width: 36px; }
}