/* ============================================================
   Dr. Aran Castro A J — Official Website
   Style Sheet
   ============================================================ */

/* ── Variables ── */
:root {
  --navy:        #2B3381;   /* deep indigo — Geospatial Campus primary dark */
  --navy-dark:   #0A0D28;   /* near-black indigo */
  --indigo:      #3F3A64;   /* secondary purple */
  --pink:        #D11A6C;   /* primary CTA — Geospatial Campus brand */
  --teal:        #20AD96;   /* emerald teal accent */
  --teal-light:  #35C4AE;
  --white:       #FFFFFF;
  --gold:        #D4A843;
  --gold-dark:   #B8921E;
  --off-white:   #FAF8F6;   /* warm cream */
  --gray-100:    #F5F1ED;   /* warm beige */
  --gray-200:    #EAE1D6;   /* deeper warm beige */
  --gray-400:    #8C89A2;   /* muted purple-gray */
  --gray-500:    #6B6880;
  --gray-600:    #444444;
  --text-primary:   #0A0D28;
  --text-secondary: #444444;
  --border:      #E8DDD4;   /* warm border */
  --shadow-sm:   0 1px 3px rgba(43,51,129,0.08);
  --shadow-md:   0 4px 16px rgba(43,51,129,0.10);
  --shadow-lg:   0 8px 32px rgba(43,51,129,0.15);
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:      8px;
  --radius-lg:   16px;
  --max-width:   1200px;
  --transition:  0.25s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); line-height: 1.25; color: var(--navy); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { margin-bottom: 1rem; color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

/* ── Layout ── */
.container  { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-alt  { background: var(--off-white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.75); }

.section-label { font-size: 0.73rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; display: block; }
.section-heading { margin-bottom: 48px; }
.section-heading h2 { margin-bottom: 10px; }
.section-heading.centered { text-align: center; }
.section-heading.centered p { margin: 0 auto; max-width: 600px; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all var(--transition); border: 2px solid transparent; text-decoration: none; white-space: nowrap; }
.btn-primary   { background: var(--pink); color: var(--white); border-color: var(--pink); }
.btn-primary:hover { background: #b5155c; border-color: #b5155c; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline   { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.55); }
.btn-outline-white:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-outline-navy { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }
.btn-sm  { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg  { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Navigation ── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,0.07); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 24px; max-width: var(--max-width); margin: 0 auto; height: 68px; }
.nav-brand { display: flex; flex-direction: column; line-height: 1; gap: 3px; }
.nav-brand-name  { font-family: var(--font-serif); font-size: 1.05rem; color: var(--white); font-weight: 700; }
.nav-brand-title { font-size: 0.67rem; color: var(--teal-light); letter-spacing: 0.09em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { display: block; padding: 8px 13px; color: rgba(255,255,255,0.78); font-size: 0.875rem; font-weight: 500; border-radius: 6px; transition: all var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--teal); }
.nav-cta { background: var(--pink) !important; color: var(--white) !important; padding: 8px 16px !important; border-radius: 6px; font-weight: 700 !important; }
.nav-cta:hover { background: #b5155c !important; opacity: 1; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
.hero { min-height: 100vh; background: var(--navy); display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 68px; }
.hero-bg { position: absolute; inset: 0; background-image: radial-gradient(ellipse at 72% 50%, rgba(209,26,108,0.12) 0%, transparent 60%), radial-gradient(ellipse at 8% 80%, rgba(32,173,150,0.08) 0%, transparent 50%); }
.hero-bg::before { content: ''; position: absolute; inset: 0; opacity: 0.4; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cpath d='M0 80 Q150 50 300 80 Q450 110 600 80' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 130 Q150 100 300 130 Q450 160 600 130' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 180 Q150 150 300 180 Q450 210 600 180' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 230 Q150 200 300 230 Q450 260 600 230' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 280 Q150 250 300 280 Q450 310 600 280' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 330 Q150 300 300 330 Q450 360 600 330' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 380 Q150 350 300 380 Q450 410 600 380' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 430 Q150 400 300 430 Q450 460 600 430' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 480 Q150 450 300 480 Q450 510 600 480' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3Cpath d='M0 530 Q150 500 300 530 Q450 560 600 530' stroke='rgba(255,255,255,0.025)' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-size: 600px 600px; }
.hero-inner { max-width: var(--max-width); margin: 0 auto; padding: 60px 24px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; position: relative; z-index: 1; width: 100%; }
.hero-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.hero-label::before { content: ''; width: 28px; height: 2px; background: var(--teal); display: block; }
.hero-headline { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3rem); color: var(--white); line-height: 1.2; margin-bottom: 14px; }
.hero-headline em { color: var(--gold); font-style: normal; }
.hero-subtitle { font-size: 0.95rem; color: rgba(255,255,255,0.65); margin-bottom: 22px; font-weight: 400; line-height: 1.6; }
.hero-description { font-size: 0.975rem; color: rgba(255,255,255,0.62); line-height: 1.85; margin-bottom: 36px; max-width: 540px; }
.hero-benefits { list-style: none; margin: 0 0 32px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.hero-benefits li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.82); font-weight: 500; }
.hero-benefits li svg { color: var(--teal); flex-shrink: 0; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-orgs { display: flex; align-items: center; gap: 20px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); flex-wrap: wrap; }
.hero-orgs-label { font-size: 0.67rem; font-weight: 600; letter-spacing: 0.13em; text-transform: uppercase; color: rgba(255,255,255,0.4); white-space: nowrap; }
.hero-orgs-logos { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.hero-orgs-logos a { display: flex; align-items: center; transition: opacity var(--transition); }
.hero-orgs-logos a:hover { opacity: 0.75; }
.hero-orgs-logos img { height: 52px; width: auto; object-fit: contain; opacity: 1; transition: opacity var(--transition); }
.hero-orgs-logos a:hover img { opacity: 1; }
.hero-orgs-sep { width: 1px; height: 44px; background: rgba(255,255,255,0.2); flex-shrink: 0; }
.hero-image { display: flex; justify-content: center; align-items: flex-end; }
.hero-photo-wrap { position: relative; width: 360px; max-width: 100%; }
.hero-photo-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 2px solid rgba(32,173,150,0.35); box-shadow: 0 24px 64px rgba(0,0,0,0.45); }
.hero-photo-frame::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,13,40,0.55) 0%, transparent 55%); pointer-events: none; }
.hero-photo-frame img { width: 100%; height: 470px; object-fit: cover; object-position: top center; }
.hero-photo-placeholder { width: 100%; height: 470px; background: linear-gradient(160deg, rgba(32,173,150,0.3) 0%, rgba(10,13,40,0.8) 100%); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.4); font-size: 0.85rem; text-align: center; padding: 20px; }
.hero-badge { position: absolute; bottom: 20px; left: 20px; z-index: 2; background: rgba(10,13,40,0.88); backdrop-filter: blur(10px); border: 1px solid rgba(32,173,150,0.35); border-radius: var(--radius); padding: 12px 16px; }
.hero-badge p { margin: 0; color: var(--white); font-size: 0.8rem; font-weight: 600; }
.hero-badge span { color: var(--teal); font-size: 0.7rem; font-weight: 400; display: block; margin-top: 2px; }
.hero-deco { position: absolute; top: -16px; right: -16px; width: 72px; height: 72px; border: 2px solid var(--gold); border-radius: var(--radius); opacity: 0.25; }

/* ── Trust Bar ── */
.trust-bar { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 20px 0; }
.trust-bar-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 9px; color: var(--gray-600); font-size: 0.83rem; font-weight: 500; }
.trust-item svg { color: var(--teal); flex-shrink: 0; }
.trust-sep { width: 1px; height: 22px; background: var(--border); }

/* ── Service Cards ── */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 32px; transition: all var(--transition); display: flex; flex-direction: column; }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--pink); }
.card-icon { width: 52px; height: 52px; background: rgba(209,26,108,0.08); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--pink); }
.card-title { margin-bottom: 12px; }
.card-text { font-size: 0.9rem; line-height: 1.75; flex: 1; margin-bottom: 24px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--pink); font-size: 0.875rem; font-weight: 600; transition: gap var(--transition); margin-top: auto; }
.card-link:hover { gap: 10px; }

/* ── Books ── */
.books-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.book-item { display: grid; grid-template-columns: 150px 1fr; gap: 24px; align-items: start; }
.book-cover-wrap { aspect-ratio: 3/4; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: linear-gradient(145deg, var(--teal) 0%, var(--navy) 100%); }
.book-cover-wrap img { width: 100%; height: 100%; object-fit: cover; }
.book-cover-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 16px; text-align: center; font-size: 0.78rem; color: rgba(255,255,255,0.55); line-height: 1.4; }
.book-badge { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pink); margin-bottom: 8px; display: block; }
.book-title { font-size: 1.1rem; margin-bottom: 6px; }
.book-author { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 4px; }
.book-date { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 12px; }
.book-desc { font-size: 0.875rem; line-height: 1.7; margin-bottom: 16px; }
.book-asins { font-size: 0.75rem; color: var(--gray-400); margin-bottom: 14px; }
.book-asins span { font-family: monospace; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.stat-item { text-align: center; padding: 24px 12px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.09); }
.stat-number { font-family: var(--font-serif); font-size: 2.4rem; color: var(--gold); display: block; line-height: 1; margin-bottom: 8px; font-weight: 700; }
.stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); line-height: 1.45; }

/* ── Testimonials ── */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 32px; }
.testimonial-quote { color: var(--teal); font-size: 2.5rem; line-height: 1; margin-bottom: 14px; font-family: Georgia, serif; display: block; }
.testimonial-text { font-size: 0.9rem; line-height: 1.75; color: var(--text-secondary); font-style: italic; margin-bottom: 20px; }
.testimonial-name  { font-weight: 700; font-size: 0.875rem; color: var(--navy); }
.testimonial-role  { font-size: 0.78rem; color: var(--gray-400); margin-top: 3px; }
.testimonial-pending { background: var(--off-white); border: 1.5px dashed var(--border); color: var(--gray-400); text-align: center; font-style: italic; font-size: 0.85rem; }

/* ── CTA Banner ── */
.cta-banner { background: linear-gradient(135deg, var(--navy) 0%, #1e2466 100%); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(209,26,108,0.14) 0%, transparent 70%); }
.cta-banner-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; padding: 0 24px; }
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p  { color: rgba(255,255,255,0.72); font-size: 1.05rem; margin-bottom: 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Page Header ── */
.page-header { background: var(--navy); padding: 110px 0 56px; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(ellipse at 80% 60%, rgba(209,26,108,0.12) 0%, transparent 55%); }
.page-header-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.page-header h1 { color: var(--white); margin-bottom: 12px; }
.page-header p  { color: rgba(255,255,255,0.68); font-size: 1.05rem; max-width: 600px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 0.78rem; }
.breadcrumb a { color: var(--teal); }
.breadcrumb span { color: rgba(255,255,255,0.35); }

/* ── Footer ── */
.footer { background: var(--navy-dark); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
.footer-brand-name  { font-family: var(--font-serif); font-size: 1.15rem; color: var(--white); margin-bottom: 3px; }
.footer-brand-title { color: var(--teal); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px; display: block; }
.footer-brand p { font-size: 0.855rem; line-height: 1.7; color: rgba(255,255,255,0.45); max-width: 270px; }
.footer-col h4 { font-family: var(--font-serif); font-size: 0.88rem; color: var(--white); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.84rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-links a:hover { color: var(--teal); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.84rem; margin-bottom: 10px; color: rgba(255,255,255,0.5); }
.footer-contact-item svg { color: var(--teal); flex-shrink: 0; margin-top: 2px; }
.footer-contact-item a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--teal); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.07); margin-bottom: 22px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: rgba(255,255,255,0.3); }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid rgba(255,255,255,0.13); color: rgba(255,255,255,0.45); transition: all var(--transition); font-size: 0.75rem; }
.footer-social a:hover { border-color: var(--teal); color: var(--teal); background: rgba(32,173,150,0.1); }

/* ── WhatsApp Float ── */
.whatsapp-float { position: fixed; bottom: 28px; right: 28px; width: 54px; height: 54px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37,211,102,0.38); z-index: 998; transition: all var(--transition); color: white; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.52); }

/* ── Map / Satellite Visual Banners ── */
.map-banner {
  position: relative;
  overflow: hidden;
  padding: 64px 0;
}
.map-banner-satellite {
  background: var(--navy);
}
.map-banner-satellite::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(32,173,150,0.18) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(209,26,108,0.10) 0%, transparent 40%),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.03) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.03) 40px);
  pointer-events: none;
}
.map-banner-topo {
  background: var(--gray-100);
}
.map-banner-topo::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='400'%3E%3Cellipse cx='400' cy='200' rx='350' ry='150' fill='none' stroke='%2320AD96' stroke-width='1' stroke-opacity='0.25'/%3E%3Cellipse cx='400' cy='200' rx='290' ry='120' fill='none' stroke='%2320AD96' stroke-width='1' stroke-opacity='0.25'/%3E%3Cellipse cx='400' cy='200' rx='230' ry='90' fill='none' stroke='%2320AD96' stroke-width='1' stroke-opacity='0.3'/%3E%3Cellipse cx='400' cy='200' rx='170' ry='60' fill='none' stroke='%2320AD96' stroke-width='1' stroke-opacity='0.35'/%3E%3Cellipse cx='400' cy='200' rx='110' ry='35' fill='none' stroke='%2320AD96' stroke-width='1.5' stroke-opacity='0.4'/%3E%3Cellipse cx='400' cy='200' rx='55' ry='18' fill='none' stroke='%2320AD96' stroke-width='1.5' stroke-opacity='0.5'/%3E%3Cellipse cx='200' cy='300' rx='160' ry='70' fill='none' stroke='%232B3381' stroke-width='1' stroke-opacity='0.12'/%3E%3Cellipse cx='200' cy='300' rx='110' ry='48' fill='none' stroke='%232B3381' stroke-width='1' stroke-opacity='0.12'/%3E%3Cellipse cx='200' cy='300' rx='65' ry='28' fill='none' stroke='%232B3381' stroke-width='1' stroke-opacity='0.15'/%3E%3Cellipse cx='620' cy='110' rx='130' ry='55' fill='none' stroke='%232B3381' stroke-width='1' stroke-opacity='0.12'/%3E%3Cellipse cx='620' cy='110' rx='85' ry='35' fill='none' stroke='%232B3381' stroke-width='1' stroke-opacity='0.15'/%3E%3C/svg%3E");
  background-size: cover;
  pointer-events: none;
}
.map-banner-inner { position: relative; z-index: 1; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Satellite grid decoration */
.sat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0;
}
.sat-tile {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
  background: var(--navy-dark);
  border: 1px solid rgba(32,173,150,0.25);
}
.sat-tile-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(15,25,41,0.9) 0%, transparent 100%);
  padding: 20px 12px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
}
/* ── Stock image sat tiles ── */
.sat-tile-lulc {
  background: #2a4a1a url("https://images.unsplash.com/photo-1500382017468-9049fed747ef?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
}
.sat-tile-coastal {
  background: #0a4a6e url("https://images.unsplash.com/photo-1505118380757-91f5f5632de0?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
}
.sat-tile-dem {
  background: #1a3a1a url("https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
  background-size: cover;
}
.sat-tile-urban {
  background: #c8cdd5 url("https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
}
.sat-tile-ndvi {
  background: #1a4a1a url("https://images.unsplash.com/photo-1448375240586-882707db888b?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
}
.sat-tile-shoreline {
  background: #0066aa url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e?w=600&h=400&fit=crop&q=80") center/cover no-repeat;
}

/* ── Org Logos Strip ── */
.org-strip {
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.org-strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.org-strip-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-right: 32px;
  white-space: nowrap;
}
.org-logos {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.org-logo-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: opacity var(--transition);
}
.org-logo-link:hover { opacity: 0.75; }
.org-logo-link img {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
}
.org-logo-role {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--pink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}

/* ── Who I Help hooks ── */
.hooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}
.hook-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.hook-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.hook-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.hook-card:hover::before { transform: scaleX(1); }
.hook-persona {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 10px;
}
.hook-question {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 14px;
}
.hook-answer {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}
.hook-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  border-radius: var(--radius);
  padding: 9px 18px;
  transition: all var(--transition);
  text-decoration: none;
  margin-top: auto;
  align-self: flex-start;
}
.hook-cta:hover { background: var(--navy); color: var(--white); }

/* ── Projects Section ── */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 7px 18px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--gray-600);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.project-card-item {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  transition: transform 0.25s, box-shadow 0.25s, opacity 0.25s;
  display: flex;
  flex-direction: column;
}
.project-card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.13);
}
.project-card-item.hidden {
  display: none;
}
.project-card-img {
  height: 155px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.project-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.08), rgba(0,0,0,0.48));
}
.project-cat-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
}
.project-cat-water   { background: rgba(26,111,168,0.9); }
.project-cat-hazard  { background: rgba(192,57,43,0.9); }
.project-cat-coastal { background: rgba(14,116,144,0.9); }
.project-cat-ecology { background: rgba(45,122,52,0.9); }
.project-cat-urban   { background: rgba(107,33,168,0.9); }
.project-cat-other   { background: rgba(71,85,105,0.9); }
.project-card-body {
  padding: 15px 17px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 6px;
  line-height: 1.4;
  font-family: var(--font-sans);
}
.project-card-desc {
  font-size: 0.79rem;
  color: var(--gray-500);
  line-height: 1.55;
  margin: 0;
}

/* Syllabus accordion */
.syllabus-wrap { margin: 28px 0; }
.syllabus-month {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.syllabus-month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--navy);
  cursor: pointer;
  user-select: none;
}
.syllabus-month-header h4 { color: var(--white); margin: 0; font-size: 0.95rem; }
.syllabus-month-header span { color: var(--teal); font-size: 0.8rem; font-weight: 600; }
.syllabus-month-header .chevron { color: var(--gold); font-size: 1rem; transition: transform 0.25s; }
.syllabus-month-header.open .chevron { transform: rotate(180deg); }
.syllabus-month-body { display: none; padding: 20px; background: var(--white); }
.syllabus-month-body.open { display: block; }
.syllabus-module { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.syllabus-module:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.syllabus-module h5 { font-size: 0.9rem; color: var(--navy); margin-bottom: 8px; font-family: var(--font-sans); font-weight: 700; }
.syllabus-module ul { padding-left: 0; display: flex; flex-direction: column; gap: 5px; }
.syllabus-module ul li { font-size: 0.84rem; color: var(--text-secondary); display: flex; gap: 8px; line-height: 1.55; }
.syllabus-module ul li::before { content: '›'; color: var(--teal); flex-shrink: 0; font-weight: 700; }

/* Course highlight strip */
.course-strip {
  background: linear-gradient(135deg, var(--navy) 0%, #1e2466 60%, rgba(32,173,150,0.4) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.course-strip::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 40px solid rgba(32,173,150,0.12);
  pointer-events: none;
}
.course-strip::after {
  content: '';
  position: absolute;
  bottom: -60px; right: 80px;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 30px solid rgba(212,168,67,0.08);
  pointer-events: none;
}
.course-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; z-index: 1; }
.course-stat { text-align: center; }
.course-stat-num { font-family: var(--font-serif); font-size: 2rem; color: var(--gold); display: block; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.course-stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.65); line-height: 1.4; }

@media (max-width: 768px) {
  .sat-grid { grid-template-columns: repeat(2, 1fr); }
  .course-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .course-strip { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .sat-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Scroll Reveal ── */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.55s ease, transform 0.55s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ── About Page ── */
.about-layout { display: grid; grid-template-columns: 260px 1fr; gap: 60px; align-items: start; }
.about-sidebar { position: sticky; top: 90px; }
.about-photo { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); margin-bottom: 20px; }
.about-photo img { width: 100%; }
.about-photo-caption h3 { font-size: 1rem; margin-bottom: 2px; }
.about-photo-caption p { font-size: 0.8rem; color: var(--teal); margin: 0; }
.about-section { margin-bottom: 52px; }
.about-section h2 { margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--border); }
.about-section h3 { margin: 24px 0 10px; color: var(--teal); font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--font-sans); font-weight: 700; }
.about-section p { margin-bottom: 1.1rem; }
.credential-item { display: flex; gap: 16px; padding: 20px; background: var(--off-white); border-radius: var(--radius); border-left: 4px solid var(--teal); margin-bottom: 12px; }
.credential-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); flex-shrink: 0; margin-top: 6px; }
.credential-title { font-size: 1rem; color: var(--navy); font-weight: 600; margin-bottom: 3px; }
.credential-sub   { font-size: 0.85rem; color: var(--gray-600); margin: 0; }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tech-item { padding: 14px 16px; background: var(--off-white); border-radius: var(--radius); border: 1px solid var(--border); }
.tech-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: var(--teal); margin-bottom: 4px; }
.tech-value { font-size: 0.88rem; color: var(--text-primary); font-weight: 500; }
.connect-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.connect-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--off-white); border-radius: var(--radius); border: 1px solid var(--border); transition: all var(--transition); font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.connect-item:hover { border-color: var(--teal); background: rgba(32,173,150,0.05); color: var(--teal); }
.connect-item svg { color: var(--teal); flex-shrink: 0; }

/* ── Services Page ── */
.service-block { padding: 56px 0; border-bottom: 1px solid var(--border); }
.service-block:last-of-type { border-bottom: none; }
.service-head { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 28px; }
.service-icon-box { width: 60px; height: 60px; background: rgba(209,26,108,0.08); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--pink); }
.service-head-text h2 { margin-bottom: 8px; }
.service-head-text > p { margin: 0; font-size: 0.95rem; }
.service-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.service-sidebar { position: sticky; top: 90px; }
.service-cta-box { background: var(--navy); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 16px; }
.service-cta-box h4 { color: var(--white); font-size: 1rem; margin-bottom: 8px; }
.service-cta-box p  { color: rgba(255,255,255,0.65); font-size: 0.85rem; margin-bottom: 18px; }
.who-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.who-list li { display: flex; gap: 10px; font-size: 0.9rem; color: var(--text-secondary); padding: 9px 14px; background: var(--off-white); border-radius: 6px; }
.who-list li::before { content: '›'; color: var(--teal); flex-shrink: 0; font-weight: 700; }
.offering-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.offering-item { border-left: 3px solid var(--teal); padding-left: 16px; }
.offering-item h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 4px; }
.offering-item p  { font-size: 0.875rem; margin: 0; }
.tag { display: inline-block; padding: 3px 11px; background: rgba(32,173,150,0.1); color: var(--teal); border-radius: 20px; font-size: 0.76rem; font-weight: 600; margin: 3px; }
.steps-list { counter-reset: step; display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.step-item { display: flex; gap: 14px; padding: 16px; background: var(--off-white); border-radius: var(--radius); align-items: flex-start; }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: var(--teal); color: white; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; flex-shrink: 0; }
.step-text { font-size: 0.875rem; color: var(--text-secondary); }
.step-text strong { color: var(--navy); }

/* ── Publications Page ── */
.pub-books-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.pub-book-item { display: grid; grid-template-columns: 155px 1fr; gap: 24px; }
.pub-book-cover { aspect-ratio: 3/4; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: linear-gradient(145deg, var(--teal) 0%, var(--navy) 100%); }
.pub-book-cover img { width: 100%; height: 100%; object-fit: cover; }
.pub-book-cover-ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 14px; text-align: center; font-size: 0.76rem; color: rgba(255,255,255,0.5); }
.pub-section-heading { font-size: 1.5rem; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 2px solid var(--border); }
.journal-item { padding: 22px 24px; background: var(--off-white); border-radius: var(--radius); border-left: 4px solid var(--teal); margin-bottom: 16px; }
.journal-item h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 6px; line-height: 1.55; }
.journal-meta { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 10px; font-style: italic; }
.journal-item a { color: var(--teal); font-size: 0.85rem; font-weight: 500; text-decoration: underline; }
.under-review { padding: 18px 22px; background: rgba(212,168,67,0.07); border-radius: var(--radius); border: 1px solid rgba(212,168,67,0.2); margin-bottom: 16px; }
.under-review p { margin: 0; font-size: 0.9rem; color: var(--gray-600); }
.thesis-box { background: var(--off-white); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); }
.thesis-box h3 { margin-bottom: 8px; }
.thesis-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; }
.thesis-meta-item { font-size: 0.8rem; color: var(--gray-400); display: flex; align-items: center; gap: 6px; }
.thesis-abstract { font-size: 0.9rem; line-height: 1.75; }
.talks-list { display: flex; flex-direction: column; gap: 12px; }
.talk-item { display: flex; align-items: center; gap: 14px; padding: 16px 20px; background: var(--off-white); border-radius: var(--radius); }
.talk-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); flex-shrink: 0; }
.talk-name { font-size: 0.9rem; font-weight: 600; color: var(--navy); }
.talk-detail { font-size: 0.8rem; color: var(--gray-400); margin-left: auto; }

/* ── Blog Page ── */
.blog-layout { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.blog-posts { display: flex; flex-direction: column; gap: 52px; }
.blog-post-item { border-bottom: 1px solid var(--border); padding-bottom: 52px; }
.blog-post-item:last-child { border-bottom: none; padding-bottom: 0; }
.blog-post-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.blog-tag  { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--teal); background: rgba(32,173,150,0.09); padding: 3px 10px; border-radius: 20px; }
.blog-date { font-size: 0.8rem; color: var(--gray-400); }
.blog-post-item h2 { font-size: 1.5rem; margin-bottom: 14px; }
.blog-intro { font-size: 1rem; color: var(--text-secondary); margin-bottom: 22px; font-weight: 400; }
.blog-content h3 { font-size: 1.05rem; color: var(--navy); margin: 28px 0 10px; }
.blog-content p  { font-size: 0.925rem; line-height: 1.82; margin-bottom: 16px; }
.blog-content ol { padding-left: 0; margin-bottom: 16px; counter-reset: item; }
.blog-content ol li { display: flex; gap: 12px; font-size: 0.925rem; line-height: 1.7; margin-bottom: 10px; }
.blog-content ol li::before { content: counter(item, decimal); counter-increment: item; color: var(--teal); font-weight: 700; min-width: 20px; }
.blog-post-author { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 0.84rem; color: var(--gray-400); }
.blog-post-author strong { color: var(--navy); }
.upcoming-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.upcoming-card { padding: 18px; background: var(--off-white); border-radius: var(--radius); border: 1.5px dashed var(--border); }
.upcoming-badge { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: var(--gold); background: rgba(212,168,67,0.1); padding: 2px 9px; border-radius: 10px; display: inline-block; margin-bottom: 8px; }
.upcoming-card h4 { font-size: 0.875rem; color: var(--navy); line-height: 1.45; }
.blog-sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget { background: var(--off-white); border-radius: var(--radius-lg); padding: 22px; }
.sidebar-widget h3 { font-size: 0.95rem; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.sidebar-widget ul li { font-size: 0.84rem; color: var(--text-secondary); padding: 7px 0; border-bottom: 1px solid var(--border); }
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-cta { background: var(--navy); color: white; border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.sidebar-cta h3 { color: white; font-size: 0.95rem; margin-bottom: 8px; border: none; padding: 0; }
.sidebar-cta p  { color: rgba(255,255,255,0.65); font-size: 0.84rem; margin-bottom: 16px; }

/* ── Contact Page ── */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.contact-methods { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.contact-method { display: flex; align-items: flex-start; gap: 14px; padding: 16px 18px; background: var(--off-white); border-radius: var(--radius); border: 1px solid var(--border); transition: all var(--transition); color: var(--text-primary); }
.contact-method:hover { border-color: var(--pink); background: rgba(209,26,108,0.04); }
.cm-icon { width: 40px; height: 40px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: white; }
.cm-icon.wa { background: #25D366; }
.cm-icon.email { background: var(--teal); }
.cm-icon.li { background: #0A66C2; }
.cm-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray-400); margin-bottom: 2px; }
.cm-value { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.cm-note  { font-size: 0.76rem; color: var(--gray-400); margin-top: 2px; }
.contact-form-wrap { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 40px; box-shadow: var(--shadow-sm); }
.contact-form-wrap h2 { margin-bottom: 6px; }
.contact-form-wrap > p { margin-bottom: 28px; font-size: 0.9rem; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.9rem; color: var(--text-primary); background: var(--white); transition: border-color var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(43,51,129,0.1); }
.form-group textarea { height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.map-wrap { border-radius: var(--radius-lg); overflow: hidden; height: 400px; border: 1px solid var(--border); }
.map-wrap iframe { width: 100%; height: 100%; border: none; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-layout { grid-template-columns: 220px 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 16px; border-top: 1px solid rgba(255,255,255,0.07); gap: 2px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-ctas, .hero-label { justify-content: center; }
  .hero-description { max-width: 100%; }
  .hero-benefits { align-items: flex-start; }
  .hero-orgs { justify-content: center; }
  .hero-orgs-logos { justify-content: center; }
  .hero-photo-wrap { width: 280px; margin: 0 auto; }
  .hero-photo-frame img { height: 360px; }
  .hero-photo-placeholder { height: 360px; }
  .cards-grid { grid-template-columns: 1fr; }
  .hooks-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .org-strip-inner { gap: 16px; flex-direction: column; align-items: flex-start; }
  .org-strip-label { margin-right: 0; }
  .org-logos { gap: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-bar-inner { gap: 20px; justify-content: flex-start; }
  .trust-sep { display: none; }
  .about-layout { grid-template-columns: 1fr; }
  .about-sidebar { position: static; display: flex; flex-direction: column; align-items: center; }
  .about-photo { max-width: 240px; }
  .tech-grid { grid-template-columns: 1fr; }
  .connect-grid { grid-template-columns: 1fr 1fr; }
  .service-layout { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
  .pub-books-grid { grid-template-columns: 1fr; }
  .pub-book-item { grid-template-columns: 120px 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .upcoming-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}

@media (max-width: 480px) {
  .book-item { grid-template-columns: 110px 1fr; gap: 16px; }
  .connect-grid { grid-template-columns: 1fr; }
}