/* ═══════════════════════════════════════════════════════════════════════
   ShivAI Supply Chain Solutions — Website Styles
   ═══════════════════════════════════════════════════════════════════════ */

:root{
  --navy:#0A1628;--navy-mid:#1B3A6B;--navy-light:#243B6A;
  --orange:#E8721A;--orange-light:#FF8C3A;--orange-pale:#FFF3E8;
  --bg:#FAFBFC;--white:#FFFFFF;
  --text:#1a1a2e;--text-mid:#3d4f5f;--text-light:#556170;
  --border:#E2E8F0;--border-light:#EDF2F7;
  --green:#047857;--red:#B91C1C;--amber:#D97706;
  --radius:12px;--radius-lg:20px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.04);
  --shadow-lg:0 8px 30px rgba(0,0,0,.1);
  --font-body:'DM Sans',system-ui,sans-serif;
  --font-display:'Playfair Display',Georgia,serif;
  --max-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none;transition:color .2s}
a:hover{color:var(--orange-light)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
section{padding:80px 0}
@media(max-width:768px){section{padding:48px 0}.container{padding:0 16px}}

/* ── NAV ─────────────────────────────────────────────────────────────── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,22,40,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:all .3s}
nav .nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--white)}
.nav-logo img{width:32px;height:32px}
.nav-logo .brand-main{color:var(--orange)}
.nav-logo .brand-sub{color:var(--white);font-weight:500;font-size:.95rem;margin-left:2px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:#C5CDD5;font-size:.875rem;font-weight:500;letter-spacing:.3px;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.nav-cta{background:#B35012;color:var(--white)!important;padding:8px 20px;border-radius:8px;font-weight:600;font-size:.85rem;white-space:nowrap}
.nav-cta:hover{background:var(--orange)}
.nav-links a.portal-link{color:var(--orange);border:1px solid var(--orange);padding:7px 16px;border-radius:8px;font-weight:600;font-size:.85rem;white-space:nowrap;transition:background .2s,color .2s}
.nav-links a.portal-link:hover{background:rgba(232,114,26,.1);color:var(--orange)}
.nav-links a.lang-toggle{color:#8B95A0;font-size:.82rem;font-weight:500;padding-left:14px;border-left:1px solid rgba(255,255,255,.1);margin-left:4px}
.nav-links a.lang-toggle:hover{color:var(--orange)}
html[lang="ta"] body{font-family:'Noto Sans Tamil','DM Sans',-apple-system,sans-serif;font-size:.95rem}
html[lang="ta"] h1,html[lang="ta"] h2,html[lang="ta"] h3,html[lang="ta"] .hero-brand-text,html[lang="ta"] .section-title{font-family:'Noto Serif Tamil','Playfair Display',serif}
html[lang="ta"] .nav-brand-main,html[lang="ta"] .nav-brand-sub,html[lang="ta"] .brand-sub{font-family:'Noto Sans Tamil','DM Sans',sans-serif}
html[lang="ta"] .nav-links{gap:16px}
html[lang="ta"] .nav-links a{font-size:.78rem}
html[lang="ta"] .nav-links a.nav-cta,html[lang="ta"] .nav-links a.portal-link{font-size:.76rem;padding:7px 13px}
html[lang="ta"] .brand-sub{font-size:.72rem;white-space:nowrap}
html[lang="ta"] .hero h1{font-size:2.88rem;line-height:1.18}
html[lang="ta"] .hero .sub{font-size:1.05rem}
html[lang="ta"] .hero-badge{font-size:.74rem}
html[lang="ta"] .section-title{font-size:2rem;line-height:1.2}
html[lang="ta"] .section-desc{font-size:.98rem}
html[lang="ta"] .section-label{font-size:.74rem}
html[lang="ta"] .journey-card h3,html[lang="ta"] .price-card h4{font-size:1.05rem}
html[lang="ta"] .pain{font-size:.88rem}
html[lang="ta"] .price-card ul li,html[lang="ta"] .journey-card p,html[lang="ta"] .journey-card .includes{font-size:.86rem}
html[lang="ta"] .btn{font-size:.88rem}
html[lang="ta"] .btn-sm{font-size:.78rem}
@media(max-width:760px){
  html[lang="ta"] .hero h1{font-size:1.95rem}
  html[lang="ta"] .section-title{font-size:1.55rem}
}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.5rem;cursor:pointer}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:20px;gap:16px;border-bottom:2px solid var(--orange)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .nav-logo .brand-sub{display:none}
}

/* ── HERO ────────────────────────────────────────────────────────────── */
.hero{background:var(--navy);color:var(--white);padding:140px 0 100px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(232,114,26,.08) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(27,58,107,.3) 0%,transparent 70%);border-radius:50%}
.hero .container{position:relative;z-index:1}
.hero-brand-row{display:flex;align-items:center;gap:16px;margin-bottom:28px}
.hero-brand-row img{width:56px;height:56px;flex-shrink:0}
.hero-brand-text{color:var(--white);font-weight:700;font-size:1.75rem;line-height:1.1;letter-spacing:-.5px}
.hero-brand-text .accent{color:var(--orange)}
.hero-brand-text .sub{display:block;font-weight:400;font-size:1rem;color:#B8C4D0;letter-spacing:.5px;margin-top:4px}
.hero-badge{display:inline-block;padding:6px 16px;background:rgba(232,114,26,.12);border:1px solid rgba(232,114,26,.25);border-radius:100px;font-size:.8rem;font-weight:600;color:var(--orange);letter-spacing:1px;text-transform:uppercase;margin-bottom:24px}
.hero h1{font-family:var(--font-display);font-size:3.2rem;line-height:1.15;font-weight:800;margin-bottom:20px;max-width:700px}
.hero h1 .accent{color:var(--orange)}
.hero p.sub{font-size:1.15rem;color:#B8C4D0;max-width:600px;margin-bottom:36px;line-height:1.7}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-weight:600;font-size:.95rem;transition:all .25s;border:none;cursor:pointer}
.btn-primary{background:#B35012;color:var(--white)}
.btn-primary:hover{background:var(--orange);transform:translateY(-1px);box-shadow:0 8px 24px rgba(232,114,26,.3)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.25)}
.btn-outline:hover{border-color:var(--orange);color:var(--orange)}
@media(max-width:768px){
  .hero h1{font-size:2.2rem}
  .hero{padding:120px 0 60px}
  .hero-brand-text{font-size:1.35rem}
  .hero-brand-text .sub{font-size:.9rem}
  .hero-brand-row img{width:48px;height:48px}
}

/* ── SECTION HEADERS ─────────────────────────────────────────────────── */
.section-label{font-size:.8rem;font-weight:700;color:#A84B0D;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-title{font-family:var(--font-display);font-size:2.4rem;font-weight:700;color:var(--navy);line-height:1.2;margin-bottom:16px}
.section-desc{font-size:1.05rem;color:var(--text-mid);max-width:640px;line-height:1.7}
.section-center{text-align:center}.section-center .section-desc{margin:0 auto}
@media(max-width:768px){.section-title{font-size:1.8rem}}

/* ── JOURNEY CARDS ───────────────────────────────────────────────────── */
.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.journey-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;transition:all .3s;position:relative;overflow:hidden}
.journey-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--orange)}
.journey-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--orange);transform:scaleX(0);transition:transform .3s;transform-origin:left}
.journey-card:hover::before{transform:scaleX(1)}
.journey-icon{font-size:2.4rem;margin-bottom:16px}
.journey-card h3{font-size:1.3rem;font-weight:700;color:var(--navy);margin-bottom:8px}
.journey-card .pain{font-size:.9rem;color:var(--red);font-weight:600;font-style:italic;margin-bottom:12px}
.journey-card p{font-size:.95rem;color:var(--text-mid);margin-bottom:16px}
.journey-card .includes{font-size:.85rem;color:var(--text-light);border-top:1px solid var(--border-light);padding-top:12px;margin-top:auto}
.journey-card .includes strong{color:var(--navy)}
@media(max-width:768px){.journey-grid{grid-template-columns:1fr}}

/* ── SOLUTION SECTIONS ───────────────────────────────────────────────── */
.solution-section{background:var(--white);border-bottom:1px solid var(--border-light)}
.solution-section.alt{background:var(--bg)}
.solution-header{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.pain-item{background:var(--orange-pale);border-radius:var(--radius);padding:16px 20px}
.pain-item strong{color:var(--red);font-size:.95rem;display:block;margin-bottom:4px}
.pain-item span{font-size:.85rem;color:var(--text-mid)}
.solution-products{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:40px}
.product-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .3s}
.product-card:hover{border-color:var(--orange);box-shadow:var(--shadow)}
.product-card h4{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.product-card .tagline{font-size:.85rem;color:#A84B0D;font-weight:600;margin-bottom:10px}
.product-card p{font-size:.9rem;color:var(--text-mid);margin-bottom:14px}
.product-card .card-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-sm{padding:8px 16px;font-size:.8rem;border-radius:8px}
.btn-ghost{background:rgba(184,82,14,.1);color:#9E4A0C;font-weight:600}
.btn-ghost:hover{background:rgba(184,82,14,.18)}
@media(max-width:768px){.solution-header{grid-template-columns:1fr}}

/* ── PRICING ─────────────────────────────────────────────────────────── */
.pricing-section{background:var(--navy);color:var(--white);padding:100px 0}
.pricing-section .section-label{color:var(--orange)}
.pricing-section .section-title{color:var(--white)}
.pricing-section .section-desc{color:#A0B0C0}
.pricing-tabs{display:flex;gap:8px;margin:32px 0 24px;flex-wrap:wrap}
.pricing-tab{padding:10px 20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:100px;color:#C5CDD5;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}
.pricing-tab.active,.pricing-tab:hover{background:var(--orange);color:var(--white);border-color:var(--orange)}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.price-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:32px 24px;transition:all .3s;display:flex;flex-direction:column}
.price-card.featured{border-color:var(--orange);background:rgba(232,114,26,.06);position:relative}
.price-card.featured::before{content:'MOST POPULAR';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:var(--white);font-size:.7rem;font-weight:700;padding:4px 14px;border-radius:100px;letter-spacing:1px}
.price-card h4{color:var(--white);font-size:1.1rem;font-weight:700;margin-bottom:4px}
.price-card .price{font-size:2rem;font-weight:800;color:var(--orange);margin:12px 0 4px}
.price-card .price span{font-size:.9rem;font-weight:400;color:#94A3B8}
.price-card .annual{font-size:.8rem;color:#8899AA;margin-bottom:16px}
.price-card ul{list-style:none;margin:16px 0;flex-grow:1}
.price-card li{font-size:.88rem;color:#B8C4D0;padding:6px 0;padding-left:20px;position:relative}
.price-card li::before{content:'✓';position:absolute;left:0;color:var(--orange);font-weight:700}
.price-card .price-actions{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.price-card .btn{width:100%;justify-content:center}
.subscribe-link{font-size:.78rem;color:#B8C4D0;text-align:center;padding:6px;cursor:pointer;text-decoration:underline;text-decoration-color:rgba(184,196,208,.3);transition:color .2s}
.subscribe-link:hover{color:var(--orange)}

/* ── COMPARISON TABLE ────────────────────────────────────────────────── */
.comparison-table{width:100%;border-collapse:collapse;margin:32px 0;background:var(--white);border-radius:var(--radius);overflow:hidden}
.comparison-table th{background:var(--navy);color:var(--white);padding:14px 16px;font-size:.85rem;text-align:left;font-weight:600}
.comparison-table td{padding:12px 16px;font-size:.9rem;border-bottom:1px solid var(--border);color:var(--text)}
.comparison-table tr:nth-child(even) td{background:var(--orange-pale)}
.comparison-table .highlight{color:#A84B0D;font-weight:700}
.comparison-table td:last-child{font-weight:600;color:var(--green)}

/* ── ABOUT / VALUES ──────────────────────────────────────────────────── */
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.value-card{text-align:center;padding:32px 20px}
.value-letter{font-family:var(--font-display);font-size:3rem;font-weight:800;color:var(--orange);margin-bottom:8px}
.value-card h4{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:8px}
.value-card p{font-size:.88rem;color:var(--text-mid)}
@media(max-width:768px){.values-grid{grid-template-columns:1fr 1fr}}

/* ── CONTACT ─────────────────────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:40px}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:.95rem;margin-bottom:12px;transition:border .2s;background:var(--white);color:var(--text)}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--orange)}
.contact-form textarea{height:120px;resize:vertical}
.form-status{margin-top:12px;padding:12px;border-radius:8px;font-size:.9rem;display:none}
.form-status.success{display:block;background:#E8F5F0;color:var(--green);border:1px solid #A7D4C2}
.form-status.error{display:block;background:#FDE8E8;color:var(--red);border:1px solid #F5B5B5}
.contact-info-item{display:flex;gap:12px;margin-bottom:20px}
.contact-info-item .icon{width:40px;height:40px;background:var(--orange-pale);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}}

/* ── FOOTER ──────────────────────────────────────────────────────────── */
footer{background:var(--navy);color:#94A3B8;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
footer h4{color:var(--white);font-size:.9rem;font-weight:700;margin-bottom:16px}
footer a{color:#94A3B8;font-size:.85rem;display:block;margin-bottom:8px}
footer a:hover{color:var(--orange)}
.footer-brand{font-size:.9rem;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;font-size:.8rem;flex-wrap:wrap;gap:12px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:500px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ── UTILITY ─────────────────────────────────────────────────────────── */
.mt-sm{margin-top:16px}.mt-md{margin-top:32px}.mt-lg{margin-top:48px}
.how-it-works{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
.how-step{text-align:center;padding:24px}
.how-step .step-num{width:48px;height:48px;background:var(--orange);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;margin:0 auto 16px}
.how-step h4{font-weight:700;color:var(--navy);margin-bottom:8px}
.how-step p{font-size:.9rem;color:var(--text-mid)}
@media(max-width:768px){.how-it-works{grid-template-columns:1fr}}

/* ── ANIMATIONS ──────────────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.animate{opacity:0;animation:fadeUp .6s ease forwards}
.d1{animation-delay:.1s}.d2{animation-delay:.2s}.d3{animation-delay:.3s}.d4{animation-delay:.4s}

/* ── TERMS CHECKBOX ──────────────────────────────────────────────────── */
.terms-check{margin:8px 0 16px;padding:12px 16px;background:var(--orange-pale);border-radius:8px;border:1px solid var(--border)}
.terms-check label{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--text-mid);cursor:pointer;line-height:1.6}
.terms-check input[type="checkbox"]{margin-top:5px;width:18px;height:18px;accent-color:var(--orange);flex-shrink:0;cursor:pointer}
.terms-check a{color:#A84B0D;font-weight:600;text-decoration:underline}
.terms-check a:hover{color:var(--orange)}

/* ── FOOTER SOCIAL — JOIN US ─────────────────────────────────────────── */
.footer-social{display:flex;align-items:center;justify-content:center;gap:16px;padding:24px 0 8px;border-top:1px solid rgba(255,255,255,.08);margin-top:8px}
.social-label{font-size:.85rem;font-weight:600;color:var(--white)}
.social-icons{display:flex;gap:12px}
.social-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:50%;color:#94A3B8;transition:all .2s}
.social-icon:hover{background:var(--orange);border-color:var(--orange);color:var(--white)}

/* ── COMBO RIBBON — full-width card below product grid ────────────── */
.combo-row{margin-top:20px}
.combo-row .product-card{max-width:100%;border:1px solid var(--orange);border-left:5px solid var(--orange);background:var(--orange-pale)}
.combo-row .product-card:hover{background:var(--white);box-shadow:var(--shadow-lg)}
.combo-row .product-card ul{columns:2;column-gap:24px;margin-bottom:14px}
@media(max-width:768px){.combo-row .product-card ul{columns:1}}

/* ── SCREENSHOT GALLERY ──────────────────────────────────────────────── */
.screenshots-section{background:var(--navy);padding:60px 0}
.screenshots-section .section-label{color:var(--orange)}
.screenshots-section .section-title{color:var(--white)}
.screenshot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px;margin-top:32px}
.screenshot-item{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.1);transition:all .3s;cursor:pointer}
.screenshot-item:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.screenshot-item img{width:100%;display:block}
.screenshot-caption{padding:10px 14px;background:rgba(255,255,255,.04);font-size:.85rem;color:#B8C4D0;text-align:center}
@media(max-width:768px){.screenshot-grid{grid-template-columns:1fr}}