/*
Theme Name: Biogreen Straws
Theme URI: https://example.com
Author: Biogreen Straws
Description: Complete website theme for Biogreen Straws — a Vietnamese compostable straw manufacturer. Installs all pages, menu and settings automatically on activation. Company info, contact details and slider videos are editable in Appearance → Customize.
Version: 1.7
License: GNU General Public License v2 or later
Text Domain: vietstraw
*/

/* Palette: all-green (brown/kraft tones removed in v1.3) */
:root{
  --green:#7DBB63;
  --green-deep:#4E8A3E;
  --paper:#F2F7ED;
  --ink:#1B2B1D;
  --leaf:#20512F;
  --leaf-bright:#3E7C4B;
  --white:#FFFFFF;
  --radius:14px;
  --display:'Bricolage Grotesque',sans-serif;
  --body:'Instrument Sans',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}
img{max-width:100%}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(242,247,237,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(27,43,29,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--display);font-weight:800;font-size:1.3rem;letter-spacing:-.02em;display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{width:26px;height:26px;border-radius:50%;background:repeating-linear-gradient(135deg,var(--green) 0 5px,var(--paper) 5px 10px);border:2px solid var(--ink)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{text-decoration:none;font-weight:500;font-size:.95rem;opacity:.85;transition:opacity .2s}
.nav-links a:hover,.nav-links a:focus-visible{opacity:1;color:var(--leaf)}
.btn{display:inline-block;background:var(--leaf);color:var(--white);padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:background .2s,transform .15s}
.btn:hover,.btn:focus-visible{background:var(--leaf-bright);transform:translateY(-1px)}
.btn.small{padding:9px 18px}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- Mobile menu ---------- */
.nav-toggle{display:none;width:42px;height:42px;border:none;background:transparent;cursor:pointer;padding:9px;flex-direction:column;justify-content:center;gap:5px;margin-left:4px}
.nav-toggle span{display:block;height:2.5px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-cta-mobile{display:none}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid rgba(27,43,29,.12);box-shadow:0 14px 30px rgba(27,43,29,.12);padding:10px 24px 22px;display:none}
  header.nav-open .site-nav{display:block}
  header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  header.nav-open .nav-toggle span:nth-child(2){opacity:0}
  header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .nav-links{flex-direction:column;gap:0}
  .nav-links a{display:block;padding:13px 0;font-size:1.05rem;border-bottom:1px solid rgba(27,43,29,.08)}
  .nav-cta-mobile{display:inline-block;margin-top:16px}
}
@media(max-width:480px){.nav-cta-desktop{display:none}}

/* ---------- Video slider ---------- */
.slider{position:relative;background:var(--ink);overflow:hidden}
.slides{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.slide{flex:0 0 100%;position:relative;aspect-ratio:21/9;min-height:280px;max-height:560px;display:grid;place-items:center;overflow:hidden}
.slide video,.slide iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.slide-caption{position:absolute;left:0;right:0;bottom:0;padding:60px 32px 24px;background:linear-gradient(transparent,rgba(27,43,29,.75));color:#fff;pointer-events:none}
.slide-caption h3{font-family:var(--display);font-weight:600;font-size:1.2rem}
.slide-caption p{font-size:.9rem;opacity:.85}
.slide-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--paper);background:repeating-linear-gradient(125deg,rgba(125,187,99,.18) 0 24px,transparent 24px 72px),var(--ink)}
.slide-placeholder .ph-ic{font-size:2.6rem;display:block;margin-bottom:10px}
.slide-placeholder span{opacity:.7;font-size:.95rem}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;border:none;background:rgba(242,247,237,.9);color:var(--ink);font-size:1.2rem;cursor:pointer;display:grid;place-items:center;transition:background .2s}
.slider-arrow:hover,.slider-arrow:focus-visible{background:var(--green)}
.slider-arrow.prev{left:18px}
.slider-arrow.next{right:18px}
.slider-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.dot{width:10px;height:10px;border-radius:50%;border:none;background:rgba(242,247,237,.45);cursor:pointer;padding:0;transition:background .2s,transform .2s}
.dot.active{background:var(--green);transform:scale(1.2)}
@media(max-width:600px){.slide{aspect-ratio:16/9}.slide-caption{padding:40px 18px 34px}.slider-arrow{width:36px;height:36px}}

/* ---------- Hero ---------- */
.hero{background:var(--green);color:var(--ink);overflow:hidden;position:relative}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:90px 0 0}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;background:var(--ink);color:var(--green);padding:6px 14px;border-radius:999px;margin-bottom:22px}
h1{font-family:var(--display);font-weight:800;font-size:clamp(2.4rem,5.4vw,4.2rem);line-height:1.04;letter-spacing:-.03em;margin-bottom:22px}
h1 .green{color:var(--leaf)}
.hero p.lead{font-size:1.15rem;max-width:32rem;margin-bottom:32px;opacity:.9}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:60px}

/* signature: spiral-wound CSS straws */
.straws{display:flex;align-items:flex-end;gap:18px;justify-content:center;height:100%;padding-bottom:0}
.straw{width:34px;border-radius:17px 17px 0 0;position:relative;animation:rise .9s cubic-bezier(.2,.8,.3,1) both}
.straw::after{content:"";position:absolute;inset:0;border-radius:inherit;background:repeating-linear-gradient(125deg,rgba(255,255,255,.55) 0 7px,transparent 7px 22px)}
.straw:nth-child(1){height:240px;background:#DDEDCF;animation-delay:.05s}
.straw:nth-child(2){height:320px;background:var(--green-deep);animation-delay:.15s}
.straw:nth-child(3){height:280px;background:var(--leaf);animation-delay:.25s}
.straw:nth-child(4){height:360px;background:#DDEDCF;animation-delay:.35s}
.straw:nth-child(5){height:300px;background:var(--leaf-bright);animation-delay:.45s}
@keyframes rise{from{transform:translateY(60px);opacity:0}to{transform:translateY(0);opacity:1}}
@media(prefers-reduced-motion:reduce){.straw{animation:none}}

/* Real product photo in the hero (replaces drawn straws when set) */
.hero-photo{align-self:end;animation:rise .9s cubic-bezier(.2,.8,.3,1) both}
.hero-photo img{display:block;width:100%;max-height:440px;object-fit:cover;object-position:center;border-radius:var(--radius) var(--radius) 0 0;border:4px solid rgba(255,255,255,.55);border-bottom:none;box-shadow:0 24px 60px rgba(27,43,29,.28)}
@media(prefers-reduced-motion:reduce){.hero-photo{animation:none}}
@media(max-width:820px){.hero-inner{grid-template-columns:1fr;padding-top:60px}.straws{height:200px;overflow:hidden}.straw{width:26px}.straw:nth-child(1){height:120px}.straw:nth-child(2){height:180px}.straw:nth-child(3){height:150px}.straw:nth-child(4){height:200px}.straw:nth-child(5){height:165px}.hero-photo img{max-height:280px;border-width:3px}}

/* ---------- Stats ---------- */
.stats{background:var(--ink);color:var(--paper)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0}
.stat b{display:block;font-family:var(--display);font-size:2rem;font-weight:800;color:var(--green)}
.stat span{font-size:.9rem;opacity:.8}
@media(max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Sections ---------- */
section:not(.elementor *){padding:90px 0}
.sec-label{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--leaf);margin-bottom:12px}
h2{font-family:var(--display);font-weight:800;font-size:clamp(1.8rem,3.5vw,2.6rem);letter-spacing:-.02em;line-height:1.1;margin-bottom:18px;max-width:34rem}
.sec-intro{max-width:36rem;opacity:.85;margin-bottom:48px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-card{background:var(--white);border-radius:var(--radius);padding:36px;border:1px solid rgba(27,43,29,.1)}
.about-card ul{list-style:none;display:grid;gap:16px}
.about-card li{display:flex;gap:12px;align-items:flex-start}
.tick{flex:none;width:22px;height:22px;border-radius:50%;background:var(--leaf);color:#fff;display:grid;place-items:center;font-size:.75rem;margin-top:2px}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}

/* Products */
.products{background:var(--white)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod{background:var(--paper);border-radius:var(--radius);padding:30px;border:1px solid rgba(27,43,29,.08);transition:transform .2s,box-shadow .2s}
.prod:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(27,43,29,.12)}
.prod-straw{height:110px;display:flex;align-items:flex-end;gap:10px;margin-bottom:22px}
.mini{width:0;border-radius:8px 8px 0 0;position:relative}
.mini::after{content:"";position:absolute;inset:0;border-radius:inherit;background:repeating-linear-gradient(125deg,rgba(255,255,255,.5) 0 4px,transparent 4px 12px)}
.prod h3{font-family:var(--display);font-weight:600;font-size:1.25rem;margin-bottom:6px}
.prod .dims{font-size:.85rem;color:var(--leaf);font-weight:600;margin-bottom:10px}
.prod p{font-size:.95rem;opacity:.85}
@media(max-width:820px){.prod-grid{grid-template-columns:1fr}}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:var(--white);border-radius:var(--radius);padding:26px;border:1px solid rgba(27,43,29,.1)}
.step-ic{width:44px;height:44px;border-radius:12px;background:var(--green);display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px}
.step h3{font-family:var(--display);font-weight:600;font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.9rem;opacity:.8}
@media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.process-grid{grid-template-columns:1fr}}

/* Certs */
.certs{background:var(--leaf);color:var(--paper)}
.certs h2{color:#fff}
.cert-row{display:flex;gap:16px;flex-wrap:wrap}
.chip{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem}
.certs .sec-label{color:var(--green)}
.certs .sec-intro{opacity:.9}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.contact-info p{margin-bottom:14px}
.contact-info b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--leaf);margin-bottom:2px}
form:not(.elementor *){display:grid;gap:14px}
input:not(.elementor *),textarea:not(.elementor *){font-family:var(--body);font-size:1rem;padding:14px 16px;border-radius:10px;border:1.5px solid rgba(27,43,29,.2);background:var(--white);width:100%}
input:focus:not(.elementor *),textarea:focus:not(.elementor *){outline:2px solid var(--leaf);border-color:var(--leaf)}
textarea{min-height:120px;resize:vertical}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}

/* Footer */
footer{background:var(--ink);color:var(--paper);padding:36px 0;font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;opacity:.85}

/* ---------- Inner pages ---------- */
.page-hero{background:var(--green);padding:70px 0 56px}
.page-hero h1{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.03em;line-height:1.08;margin-top:14px}
.page-hero-sub{max-width:34rem;margin-top:14px;font-size:1.05rem;opacity:.9}
.page-body{padding:70px 0}

/* Content written in the WordPress editor */
.entry h2{margin-top:32px}
.entry h3{font-family:var(--display);font-weight:600;font-size:1.3rem;margin:26px 0 8px}
.entry p{margin-bottom:16px;opacity:.9}
.entry ul,.entry ol{margin:0 0 16px 22px;opacity:.9}
.entry img{border-radius:var(--radius)}
.entry a{color:var(--leaf);font-weight:500}

/* Products page CTA */
.page-cta{margin-top:64px;background:var(--white);border:1px solid rgba(27,43,29,.1);border-radius:var(--radius);padding:44px;text-align:center}
.page-cta h2{margin:0 auto 8px}

/* News cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid rgba(27,43,29,.1);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(27,43,29,.12)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:22px}
.news-date{font-size:.8rem;color:var(--leaf);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.news-body h3{font-family:var(--display);font-weight:600;font-size:1.15rem;margin:6px 0 8px;line-height:1.25}
.news-body h3 a{text-decoration:none}
.news-body h3 a:hover{color:var(--leaf)}
.news-body p{font-size:.92rem;opacity:.8}
.pagination{margin-top:40px;text-align:center}
.pagination .nav-links{display:flex;gap:8px;justify-content:center}
.pagination a,.pagination span{padding:8px 14px;border-radius:8px;background:var(--white);border:1px solid rgba(27,43,29,.15);text-decoration:none}
.pagination .current{background:var(--leaf);color:#fff;border-color:var(--leaf)}
@media(max-width:900px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.news-grid{grid-template-columns:1fr}}

/* Photo slides — auto-fit any image size */
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide img.slide-bg{filter:blur(26px) brightness(.72) saturate(1.05);transform:scale(1.15)}
.slide img.slide-fit{object-fit:contain;z-index:1}
.slide-caption{z-index:2}

/* ---------- About page ---------- */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.value-card{background:var(--white);border:1px solid rgba(27,43,29,.1);border-radius:var(--radius);padding:30px}
.value-card .v-ic{width:48px;height:48px;border-radius:14px;background:var(--green);display:grid;place-items:center;font-size:1.4rem;margin-bottom:16px}
.value-card h3{font-family:var(--display);font-weight:600;font-size:1.15rem;margin-bottom:8px}
.value-card p{font-size:.93rem;opacity:.82}
@media(max-width:820px){.values-grid{grid-template-columns:1fr}}

.capacity{background:var(--white)}
.capacity-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px;max-width:760px}
.cap-item{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(27,43,29,.12);font-size:.98rem}
.cap-item b{white-space:nowrap;color:var(--leaf)}
@media(max-width:640px){.capacity-grid{grid-template-columns:1fr}}

.why-vn{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.why-vn ul{list-style:none;display:grid;gap:14px}
.why-vn li{display:flex;gap:12px;align-items:flex-start}
@media(max-width:820px){.why-vn{grid-template-columns:1fr}}

.about-cta{background:var(--green);text-align:center;padding:80px 0}
.about-cta h2{margin:0 auto 12px;max-width:30rem}
.about-cta p{max-width:32rem;margin:0 auto 28px;opacity:.85}

/* ---------- Products catalog ---------- */
.cat-head{margin:56px 0 22px}
.cat-head:first-of-type{margin-top:0}
.cat-head h2{font-size:1.5rem;margin-bottom:4px}
.cat-head p{opacity:.75;font-size:.95rem}
.badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:12px}
.badge.best{background:var(--leaf);color:#fff}
.badge.new{background:var(--green);color:var(--ink)}
.specs{list-style:none;margin-top:14px;border-top:1px solid rgba(27,43,29,.1);font-size:.88rem}
.specs li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid rgba(27,43,29,.08)}
.specs li span:first-child{opacity:.65}
.specs li span:last-child{font-weight:600;text-align:right}
.spec-table-wrap{overflow-x:auto;margin-top:8px;border:1px solid rgba(27,43,29,.12);border-radius:var(--radius);background:var(--white)}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:640px}
.spec-table th{background:var(--ink);color:var(--paper);text-align:left;padding:12px 16px;font-weight:600;white-space:nowrap}
.spec-table td{padding:12px 16px;border-bottom:1px solid rgba(27,43,29,.08)}
.spec-table tr:last-child td{border-bottom:none}
.spec-table tr:nth-child(even) td{background:rgba(125,187,99,.07)}
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pack-card{background:var(--white);border:1px solid rgba(27,43,29,.1);border-radius:var(--radius);padding:28px}
.pack-card .p-ic{font-size:1.8rem;margin-bottom:12px;display:block}
.pack-card h3{font-family:var(--display);font-weight:600;font-size:1.1rem;margin-bottom:6px}
.pack-card p{font-size:.92rem;opacity:.82}
@media(max-width:820px){.pack-grid{grid-template-columns:1fr}}

/* ---------- Materials section (paper vs sugarcane) ---------- */
:root{--cane:#7FA96B;--cane-deep:#5E8A4C}
.materials{background:var(--white)}
.mat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mat-card{border-radius:var(--radius);padding:36px;position:relative;overflow:hidden;border:1px solid rgba(27,43,29,.1)}
.mat-card.paper{background:linear-gradient(160deg,#F1F7E6,#DFEECB)}
.mat-card.cane{background:linear-gradient(160deg,#E4EDDC,#CCDEBE)}
.mat-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:16px;color:#fff}
.mat-card.paper .mat-tag{background:var(--green-deep)}
.mat-card.cane .mat-tag{background:var(--cane-deep)}
.mat-card h3{font-family:var(--display);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;margin-bottom:10px}
.mat-card>p{opacity:.85;margin-bottom:18px;max-width:26rem}
.mat-points{list-style:none;display:grid;gap:9px;font-size:.93rem}
.mat-points li{display:flex;gap:10px;align-items:flex-start}
.mat-points li::before{content:"✓";flex:none;width:19px;height:19px;border-radius:50%;color:#fff;display:grid;place-items:center;font-size:.68rem;margin-top:3px}
.mat-card.paper .mat-points li::before{background:var(--green-deep)}
.mat-card.cane .mat-points li::before{background:var(--cane-deep)}
.mat-deco{position:absolute;right:-10px;bottom:-10px;display:flex;gap:8px;align-items:flex-end;opacity:.5}
.mat-deco i{display:block;width:18px;border-radius:9px 9px 0 0}
@media(max-width:820px){.mat-grid{grid-template-columns:1fr}}

/* ---------- Global mobile refinements ---------- */
@media(max-width:900px){
  .values-grid,.pack-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  section:not(.elementor *){padding:56px 0}
  .sec-intro{margin-bottom:32px}
  .hero-inner{padding-top:48px;gap:28px}
  .hero-ctas{margin-bottom:40px}
  .hero p.lead{font-size:1.05rem}
  .stats-grid{padding:32px 0;gap:16px}
  .stat b{font-size:1.6rem}
  .about-grid,.contact-grid,.why-vn{gap:32px}
  .about-card,.mat-card,.page-cta{padding:26px 20px}
  .value-card,.pack-card,.prod,.step{padding:22px 18px}
  .page-hero{padding:48px 0 40px}
  .page-body{padding:48px 0}
  .page-cta{margin-top:44px}
  .cat-head{margin:40px 0 18px}
  .about-cta{padding:56px 0}
  .foot{flex-direction:column;text-align:center;gap:8px}
}
@media(max-width:560px){
  .values-grid,.pack-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .wrap{padding:0 18px}
  .btn{padding:11px 20px;font-size:.9rem}
  .hero-ctas .btn{width:100%;text-align:center}
}

/* ---------- Elementor compatibility ---------- */
/* Let Elementor control its own typography & spacing instead of the theme */
.elementor h1,.elementor h2{max-width:none;margin-bottom:0}
.elementor p{margin-bottom:0}
.elementor img{border-radius:0}
/* Keep theme buttons usable inside Elementor if the user adds class "btn" */
.elementor a.btn{color:var(--white)}