:root{--ink:#26301e;--deep:#1d3b2e;--paper:#f1efe8;--white:#fff;--leaf:#74a85a;--lime:#cfe86a;--reef:#91d5e7;--line:rgba(38,48,30,.16);--max:1180px;--why-copy:#d7ded4;--why-line:rgba(245,243,234,.24)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}img{display:block;max-width:100%}a{color:inherit}
.wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}h1,h2,h3{margin:0;line-height:1.02;font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.04em}h2{font-size:clamp(2.5rem,5vw,4.8rem)}h3{font-size:clamp(2rem,3.4vw,3.5rem)}p{margin:0 0 1.25rem}
.lead{font-size:clamp(1.1rem,2vw,1.35rem);color:#4d5747}
.eyebrow{margin:0 0 1.2rem;font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#527748;display:flex;align-items:center;gap:.65rem}
.eyebrow:before{content:"";width:30px;height:2px;background:currentColor}
.eyebrow.light{color:var(--lime)}
.site-header{position:fixed;inset:0 0 auto;z-index:60;background:linear-gradient(to bottom,rgba(7,20,15,.7),transparent);color:#fff}
.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between}
.brand img{width:165px}
.desktop-nav{display:flex;gap:28px}
.desktop-nav a{font-size:.92rem;font-weight:760;text-decoration:none;text-shadow:0 1px 12px #000}
.menu-toggle{display:none;width:48px;height:48px;border:1px solid #ffffff66;border-radius:50%;background:#0d2018aa;color:#fff}
.menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:20px;height:2px;background:currentColor;margin:4px auto}
.offcanvas{position:fixed;inset:0 0 0 auto;width:min(88vw,380px);padding:34px;background:#15251b;color:#fff;z-index:100;transform:translateX(100%);transition:.3s}
.offcanvas.open{transform:none}.offcanvas nav{display:grid;gap:22px;margin-top:80px}
.offcanvas a{text-decoration:none;font:2rem Georgia,serif}
.menu-close{float:right;border:0;background:none;color:#fff;font-size:2.4rem}
.menu-shade{position:fixed;inset:0;background:#0008;z-index:90;opacity:0;pointer-events:none;transition:.3s}
.menu-shade.show{opacity:1;pointer-events:auto}
.hero{position:relative;min-height:900px;height:100svh;max-height:1060px;color:#fff;background:#16301d}
.hero-environments{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.environment{position:relative;background-size:cover;background-position:center;overflow:hidden}
.environment:after{content:"";position:absolute;inset:0}
.environment.wet{background-image:url('assets/hero-wet.jpg');background-position:55% left}
.environment.wet:after{background:linear-gradient(90deg,rgba(10,33,17,.35),rgba(10,33,17,.15) 70%,rgba(2,20,17,.45))}
.environment.reef{background-image:url('assets/hero-reef-1.jpg');background-position:55% center}
.environment.reef:after{background:linear-gradient(90deg,rgba(2,20,17,.45),rgba(0,37,58,.12) 30%,rgba(0,26,46,.32))}
.environment span{position:absolute;z-index:2;bottom:48px;font-size:.73rem;letter-spacing:.18em;text-transform:uppercase;font-weight:800;opacity:.72}
.environment.wet span{left:44px}
.environment.reef span{right:44px}
.hero-scrim{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 42%,rgba(5,19,13,.05),rgba(4,17,12,.54) 56%,rgba(3,11,8,.76)),linear-gradient(to bottom,rgba(0,0,0,.12),rgba(0,0,0,.08) 55%,rgba(6,16,10,.86))}
.hero-content{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:138px}
.hero-kicker{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;margin-bottom:20px}
.hero-logo{width:min(330px,62vw);margin:20px 0 25px 0;filter:drop-shadow(0 8px 24px rgba(0,0,0,.28))}
.hero-content h1{font-size:clamp(3rem,6.3vw,6.3rem);max-width:930px;text-wrap:balance;text-shadow:0 3px 30px rgba(0,0,0,.35)}
.hero-intro{font-size:clamp(1.05rem,1.8vw,1.35rem);max-width:720px;margin:24px auto 28px;color:#eef6e9}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:0;border-radius:999px;padding:15px 24px;background:var(--lime);color:var(--ink);font-weight:850;text-decoration:none;box-shadow:0 8px 25px rgba(0,0,0,.18)}
.hero-covers{position:absolute;z-index:5;left:50%;bottom:-245px;translate:-50% 0;display:flex;align-items:flex-start;gap:52px;pointer-events:none}
.cover-card{width:300px;text-decoration:none;pointer-events:auto;transition:transform .3s ease}.cover-card img{width:100%;height:auto;border-radius:7px;box-shadow:0 28px 65px rgba(0,0,0,.48)}
.wet-cover{transform:rotate(-3deg)}
.reef-cover{transform:rotate(3deg)}
.wet-cover:hover{transform:rotate(-3deg) translateY(-10px)}
.reef-cover:hover{transform:rotate(3deg) translateY(-10px)}
.hero-copy{
    margin:2rem auto 0!important;
    max-width:900px;
    font-size:1.5rem;
    line-height:1.45;
}
.hero-stat{
    margin:1.2rem 0 .25rem;
    font-size:2.2rem;
    font-weight:500;
    line-height:1;
}

.hero-proof{
    margin:0;
    font-size:1.2rem;
    opacity:.9;
}
.hero-button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
	margin-top:2rem;
    transition:
        transform .28s ease,
        background-color .28s ease,
        color .28s ease,
        border-color .28s ease,
        box-shadow .28s ease;
    will-change: transform;
}
.hero p{
    margin:0;
}

.hero p + p{
    margin-top:1rem;
}
.hero-button:hover{
    transform: scale(1.06);
}

.hero-button:active{
    transform: scale(0.98);
}
.intro-section{padding:330px 0 110px;background:var(--white)}.intro-grid{display:grid;grid-template-columns:.42fr 1.58fr;gap:70px}.intro-grid h2{max-width:900px}.intro-grid .lead{max-width:850px;margin-top:28px}

/* ==========================
   WHY THESE GUIDES WORK
========================== */
.why-guides{background:var(--deep);color:#f2f5ed;padding:95px 0 110px}
.why-guides .wrap{
    max-width:1180px;
    margin:0 auto;
}
.why-guides__heading{display:flex;align-items:center;gap:16px;margin-bottom:60px}
.why-guides__rule{width:40px;height:3px;background:var(--lime)}
.why-guides__heading h2{margin:0;font-size:.82rem;font-family:Inter,sans-serif;font-weight:800;text-transform:uppercase;letter-spacing:.14em;color:var(--lime)}
.why-guides__grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:0;
    border-top:1px solid var(--why-line);
}
.why-guides__item{
    display:grid;
    grid-template-columns:90px 1fr;
    gap:2rem;
    padding:4rem 2.5rem;
}
.why-guides__item:nth-child(odd){
    padding-left:0;
}
.why-guides__item:nth-child(even){
    padding-right:0;
}
.why-guides__icon{width:90px;height:90px}
.why-guides__number{display:block;margin-bottom:18px;font:500 4rem Georgia,serif;color:var(--lime);line-height:.9}
.why-guides__item h3{margin:0 0 18px;color:#fff;font-size:2.3rem}
.why-guides__item p{margin:0;max-width:34ch;color:var(--why-copy);font-size:1.1rem;line-height:1.6}

.books-section{padding:115px 0}
.collection-head{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end;margin-bottom:58px}
.collection-head>p{max-width:470px;color:#586153}
.book-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center;border-radius:28px;padding:58px;margin-bottom:64px}
.reef-panel{background:linear-gradient(135deg,#c9edf5,#82c9dc)}
.wet-panel{background:linear-gradient(135deg,#e2efc4,#9dcd76)}
.book-cover-block{position:relative;display:grid;place-items:center;min-height:500px}
.book-cover-block img{width:min(330px,82%);border-radius:6px;box-shadow:0 24px 52px rgba(0,0,0,.32)}
.edition-pill{position:absolute;left:0;top:0;padding:8px 13px;border-radius:999px;background:#ffffffdd;font-size:.72rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.book-type{text-transform:uppercase;letter-spacing:.13em;font-size:.75rem;font-weight:850;color:#3e7154}
.book-panel-copy h3{max-width:650px}
.book-lead{font-size:1.17rem;font-weight:760;margin-top:24px}
.book-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}
.book-stats span{border-top:1px solid rgba(38,48,30,.24);padding-top:14px;font-size:.73rem;line-height:1.3}
.book-stats strong{display:block;font:1.8rem Georgia,serif}
.book-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.book-actions a,.preview-button{font:inherit;font-weight:850;color:var(--ink);background:none;border:0;border-bottom:2px solid var(--ink);padding:0 0 3px;cursor:pointer;text-decoration:none}
.statement-section{padding:105px 0;background:#14271d;color:#bad698}
.statement-section blockquote{margin:0;max-width:980px;font:clamp(2.4rem,5vw,5rem)/1.06 Georgia,serif;letter-spacing:-.04em}
.about-section{padding:110px 0;background:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.bios{font-size:1.12rem}
.contact-section{padding:110px 0;background:linear-gradient(135deg,#eaf2d6,#cce8a8)}
.contact-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:80px;align-items:center}
.contact-grid>div:first-child>p:last-child{font-size:1.12rem;max-width:660px}
.contact-card{background:#ffffffc4;border:1px solid #26301e22;border-radius:24px;padding:30px}
.contact-card a{display:block;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:1.25rem;font-weight:800}.contact-card a:last-child{border-bottom:0}.contact-card small{display:block;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#66705e;margin-bottom:2px}
.pictorial-strip{
    height:270px;
    background:
        linear-gradient(
            90deg,
            rgba(18,39,27,.18),
            rgba(18,39,27,.08)
        ),
url('assets/footer-montage.jpg');
    background-size:cover;
    background-position:center center;
}

footer{
    padding:32px 0;
    background:#101d15;
    color:#e8f0df;
}

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

.footer-inner img{
    width:180px;
}

.footer-inner p{
    margin:0;
    font-size:.9rem;
    color:#c5d0ba;
}
.gallery-dialog{width:min(1180px,calc(100% - 30px));max-height:92vh;border:0;border-radius:22px;padding:34px;background:#f7f5ef;color:var(--ink);box-shadow:0 28px 100px rgba(0,0,0,.5)}
.gallery-dialog::backdrop{background:rgba(7,16,11,.82)}
.gallery-close{position:sticky;float:right;top:0;border:0;background:var(--ink);color:#fff;width:44px;height:44px;border-radius:50%;font-size:1.8rem;cursor:pointer;z-index:2}.gallery-header{padding-right:55px}.gallery-header h2{font-size:clamp(2rem,4vw,3.8rem)}
.gallery-grid{display:grid;gap:24px;margin-top:28px}
.gallery-grid img{width:100%;border-radius:12px;box-shadow:0 12px 35px rgba(0,0,0,.16)}

@media(max-width:900px){
	.why-guides__grid{grid-template-columns:1fr}
	.why-guides__item,.why-guides__item:nth-child(odd),.why-guides__item:nth-child(even){border-right:0;padding-inline:0}
	.desktop-nav{display:none}.menu-toggle{display:block}
	.hero{min-height:850px;height:auto}.hero-content{padding-top:130px}
	.hero-covers{bottom:-205px;gap:34px}.cover-card{width:240px}
	.intro-section{padding-top:280px}
	.intro-grid,.collection-head,.about-grid,.contact-grid{grid-template-columns:1fr;gap:28px}
	.book-panel{grid-template-columns:1fr;padding:42px}
	.book-cover-block{min-height:450px}
	.edition-pill{left:8px}
	.pictorial-strip{height:220px}}
/* ------------------------------
   Mobile Hero
---------------------------------*/
@media (max-width: 768px) {

    .hero{
        min-height:100svh;
        padding:90px 0 80px;
    }

    .hero-content{
        padding:0;
		padding-top:0;
    }

    .hero-topline{
        margin-bottom:28px;
        line-height:1.5;
        letter-spacing:.14em;
    }

    .hero-logo{
        width:240px;
        margin:20px auto 28px;
    }

    .hero h1{
        margin:0 0 28px;
        line-height:.96;
    }
	.hero h1{
        font-size:clamp(3.3rem,12vw,4.6rem);
    }

    .hero-intro{
        margin:0 auto 40px;
        max-width:320px;
        line-height:1.6;
    }

    .hero-button{
        margin-bottom:70px;
    }

    .hero-books{
        margin-top:30px;
    }

    .hero-books img:first-child{
        margin-right:-28px;
    }

    .hero-books img:last-child{
        margin-left:-28px;
    }
}

@media(max-width:620px){
	.why-guides{padding:75px 0}
	.why-guides__item{grid-template-columns:70px 1fr;gap:18px;min-height:auto}
	.why-guides__icon{width:64px;height:64px}
	.why-guides__number{font-size:3rem}
	.why-guides__item h3{font-size:2rem}
	.wrap{width:min(calc(100% - 24px),var(--max))}
	.header-inner{height:72px}.brand img{width:145px}
	.hero{min-height:760px}
	.environment span{display:none}.hero-content{padding-top:0}
	.hero-logo{width:215px}
	.hero-content h1{font-size:3rem}
	.hero-intro{font-size:1rem;max-width:94%}
	.hero-covers{bottom:-145px;gap:18px}
	.cover-card{width:155px}
	.intro-section{padding:210px 0 75px}
	.why-section,.books-section,.about-section,.contact-section,.statement-section{padding:75px 0}
	.collection-head{margin-bottom:35px}
	.book-panel{padding:28px 22px;border-radius:20px}
	.book-cover-block{min-height:350px}
	.book-cover-block img{width:min(245px,78%)}
	.edition-pill{position:static;justify-self:start;margin-bottom:20px}
	.book-stats{grid-template-columns:1fr}
	.pictorial-strip{height:190px}
	.footer-inner{display:block}
	.footer-inner p{margin-top:14px}
	.gallery-dialog{padding:22px 14px}
	.gallery-close{width:40px;height:40px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
	.cover-card{transition:none}}