/* ================================================================
   style.css — Base styles, CSS variables, typography, layout
   Shree Industries Website
================================================================ */

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { 
  scroll-behavior: smooth; 
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }
ul, ol { list-style: none; }
address { font-style: normal; }
button { 
  cursor: pointer; 
  border: none; 
  background: none; 
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}

/* CSS VARIABLES */
:root {
  --orange:       #E85D04;
  --orange-dark:  #C44B00;
  --orange-light: #F48C06;
  --orange-pale:  #FFF3EB;
  --steel:        #1A1A2E;
  --steel-mid:    #16213E;
  --dark:         #111118;
  --gray:         #6B7280;
  --gray-light:   #E5E7EB;
  --off-white:    #F9F5F0;
  --white:        #FFFFFF;
  --font-head: 'Oswald', Arial, sans-serif;
  --font-body: 'Lato', sans-serif;
  --ease: 0.3s ease;
  --ease-slow: 0.45s ease;
}

/* UTILITIES */
.mt-16 { margin-top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* TYPOGRAPHY */
.eyebrow {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--orange); font-weight: 700; margin-bottom: 12px;
}
.sec-title {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--steel); line-height: 1.1; margin-bottom: 18px;
}
.sec-title em        { color: var(--orange); font-style: normal; }
.sec-title--white    { color: #ffffff; }
.sec-body            { font-size: 16px; line-height: 1.82; color: var(--gray); }
.sec-body--muted     { color: rgba(255,255,255,0.55); }
.divider-bar         { width: 54px; height: 3px; background: var(--orange); margin: 18px 0 24px; }

/* SECTIONS */
.section        { padding: 100px 8%; }
.section__inner { max-width: 1320px; margin: 0 auto; }
.section__center-head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section--white     { background: var(--white); }
.section--off-white { background: var(--off-white); }
.section--steel     { background: var(--steel); }

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 15px; letter-spacing: 1.5px; text-transform: uppercase;
  text-decoration: none; padding: 14px 34px;
  transition: all var(--ease);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  white-space: nowrap;
}
.btn--primary       { background: var(--orange); color: #fff; }
.btn--primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost         { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.35); }
.btn--ghost:hover   { border-color: var(--orange); color: var(--orange); }
.btn--ghost:active  { opacity: 0.8; }
.btn--full          { width: 100%; text-align: center; }

/* HERO */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; align-items: center;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(10,10,22,0.92) 48%, rgba(10,10,22,0.5) 100%);
}
.hero__content { position: relative; z-index: 2; padding: 0 8%; max-width: 820px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(232,93,4,0.15); border: 1px solid rgba(232,93,4,0.4);
  padding: 7px 16px; font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--orange-light); margin-bottom: 28px;
}
.hero__badge-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--orange); flex-shrink: 0;
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.35;transform:scale(0.65)} }
.hero__h1 {
  font-family: var(--font-head);
  font-size: clamp(44px, 6.5vw, 80px);
  font-weight: 700; color: #fff; line-height: 1.05;
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
.hero__h1 em { color: var(--orange); font-style: normal; }
.hero__sub   { font-size: 16px; color: rgba(255,255,255,0.62); line-height: 1.78; max-width: 540px; margin-bottom: 40px; font-weight: 300; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll  { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); z-index: 2; }
.hero__scroll span {
  display: block; width: 1px; height: 54px;
  background: linear-gradient(to bottom, transparent, var(--orange));
  margin: 0 auto; animation: scrollDrop 2.2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%{opacity:0;transform:translateY(-16px)}
  50%{opacity:1;transform:translateY(0)}
  100%{opacity:0;transform:translateY(16px)}
}

/* STATS BAR */
.stats-bar { background: var(--orange); padding: 30px 8%; display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; }
.stats-bar__item  { text-align: center; color: #fff; }
.stats-bar__num   { font-family: var(--font-head); font-size: 46px; font-weight: 700; line-height: 1; }
.stats-bar__label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; opacity: 0.82; margin-top: 5px; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-grid__img-wrap { position: relative; }
.about-grid__img      { width: 100%; height: 500px; object-fit: cover; }
.about-grid__badge    { position: absolute; bottom: -24px; right: -24px; background: var(--orange); color: #fff; padding: 26px 30px; text-align: center; }
.about-grid__badge strong { display: block; font-family: var(--font-head); font-size: 42px; font-weight: 700; }
.about-grid__badge span   { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; opacity: 0.85; }
.check-list       { margin-top: 28px; display: flex; flex-direction: column; gap: 15px; }
.check-list__item { display: flex; align-items: flex-start; gap: 13px; font-size: 15px; color: var(--dark); line-height: 1.5; }
.check-list__icon { width: 22px; height: 22px; min-width: 22px; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; margin-top: 1px; }
.cert-row  { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
.cert-pill { background: #fff; border: 1px solid var(--gray-light); padding: 9px 18px; font-size: 12px; color: var(--steel); font-weight: 700; letter-spacing: 1.5px; }

/* SERVICES */
.svc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; margin-top: 60px; }
.svc-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07); padding: 44px 36px; transition: background var(--ease); position: relative; overflow: hidden; }
.svc-card::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: var(--orange); transition: width var(--ease-slow); }
.svc-card:hover::after { width: 100%; }
.svc-card:hover        { background: rgba(232,93,4,0.07); }
.svc-card__num         { font-family: var(--font-head); font-size: 58px; font-weight: 700; color: rgba(232,93,4,0.1); line-height: 1; margin-bottom: 18px; }
.svc-card__icon-box    { width: 54px; height: 54px; background: var(--orange); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.svc-card__icon-box svg { width: 28px; height: 28px; fill: #fff; }
.svc-card__name        { font-family: var(--font-head); font-size: 20px; font-weight: 600; color: #fff; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.svc-card__desc        { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.82; }
.svc-card__tags        { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 7px; }
.svc-tag               { font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--orange-light); background: rgba(232,93,4,0.1); padding: 4px 10px; }

/* CAPABILITIES */
.cap-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: start; margin-top: 20px; }
.cap-grid__img-wrap  { position: relative; }
.cap-grid__img-main  { width: 100%; height: 380px; object-fit: cover; }
.cap-grid__img-sub   { width: 55%; height: 205px; object-fit: cover; position: absolute; bottom: -36px; right: -36px; border: 5px solid #fff; }
.spec-grid           { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 40px; }
.spec-box            { background: var(--off-white); padding: 22px 20px; border-left: 3px solid var(--orange); }
.spec-box__val       { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--orange); }
.spec-box__label     { font-size: 11px; color: var(--gray); text-transform: uppercase; letter-spacing: 1.2px; margin-top: 5px; }
.mat-section         { margin-top: 30px; }
.mat-section__title  { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gray); margin-bottom: 12px; font-weight: 700; }
.mat-chips           { display: flex; flex-wrap: wrap; gap: 8px; }
.mat-chip            { background: var(--off-white); border: 1px solid var(--gray-light); font-size: 12px; color: var(--steel); padding: 6px 14px; font-weight: 700; }

/* INDUSTRIES */
.ind-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(190px,1fr)); gap: 20px; margin-top: 58px; }
.ind-card { background: #fff; border: 1px solid var(--gray-light); padding: 36px 24px; text-align: center; transition: all var(--ease); }
.ind-card:hover { border-color: var(--orange); transform: translateY(-5px); box-shadow: 0 16px 36px rgba(232,93,4,0.1); }
.ind-card__icon-box { width: 58px; height: 58px; margin: 0 auto 18px; background: var(--orange-pale); display: flex; align-items: center; justify-content: center; }
.ind-card__icon-box svg { width: 28px; height: 28px; fill: var(--orange); }
.ind-card__name { font-family: var(--font-head); font-size: 15px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--steel); }

/* PROCESS */
.process-steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; margin-top: 64px; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 37px; left: 10%; right: 10%; height: 1px; background: rgba(232,93,4,0.25); }
.process-step { text-align: center; padding: 0 10px; position: relative; z-index: 1; }
.process-step__circle { width: 74px; height: 74px; border-radius: 50%; border: 2px solid var(--orange); background: var(--steel-mid); display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--orange); transition: all var(--ease); }
.process-step:hover .process-step__circle { background: var(--orange); color: #fff; }
.process-step__title { font-family: var(--font-head); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: #fff; margin-bottom: 9px; }
.process-step__desc  { font-size: 12px; color: rgba(255,255,255,0.42); line-height: 1.68; }

/* WHY */
.why-grid       { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 36px; margin-top: 58px; }
.why-card       { position: relative; }
.why-card__num  { font-family: var(--font-head); font-size: 74px; font-weight: 700; color: var(--orange-pale); line-height: 1; position: absolute; top: -14px; left: -4px; }
.why-card__inner { position: relative; z-index: 1; padding-left: 22px; padding-top: 34px; }
.why-card__title { font-family: var(--font-head); font-size: 18px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--steel); margin-bottom: 10px; }
.why-card__text  { font-size: 14px; color: var(--gray); line-height: 1.8; }

/* CONTACT */
.contact-grid        { display: grid; grid-template-columns: 1fr 1.2fr; gap: 72px; margin-top: 20px; }
.contact-items       { margin-top: 32px; display: flex; flex-direction: column; gap: 26px; }
.contact-item        { display: flex; align-items: flex-start; gap: 16px; }
.contact-item__icon  { width: 48px; height: 48px; background: var(--orange); flex-shrink: 0; display: flex; align-items: center; justify-content: center; min-height: 44px; }
.contact-item__icon svg { width: 20px; height: 20px; fill: #fff; }
.contact-item__label { font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--steel); margin-bottom: 5px; }
.contact-item__val   { font-size: 14px; color: var(--gray); line-height: 1.68; }
.contact-item__val a { text-decoration: none; color: var(--gray); transition: color var(--ease); }
.contact-item__val a:hover { color: var(--orange); }

/* FORM */
.contact-form-wrap    { background: #fff; padding: 44px; box-shadow: 0 4px 32px rgba(0,0,0,0.06); }
.enquiry-form__title  { font-family: var(--font-head); font-size: 22px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--steel); margin-bottom: 30px; }
.form-row             { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group           { margin-bottom: 20px; }
.form-group label     { display: block; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gray); margin-bottom: 8px; }
.form-group .req      { color: var(--orange); }
.form-group input,
.form-group select,
.form-group textarea  {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--gray-light);
  background: var(--off-white);
  font-family: var(--font-body); font-size: 16px; color: var(--dark);
  outline: none; -webkit-appearance: none; border-radius: 0;
  transition: border-color var(--ease), background var(--ease);
  min-height: 44px;
  -webkit-font-smoothing: antialiased;
}
/* iOS zoom prevention: font-size must be >= 16px on input focus */
@media (max-width: 767px) {
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
  }
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { 
  border-color: var(--orange); 
  background: #fff;
  outline: 2px solid rgba(232, 93, 4, 0.1);
  outline-offset: 2px;
}
.form-group textarea   { 
  resize: vertical; 
  min-height: 110px;
  line-height: 1.5;
}
.form-group label {
  cursor: pointer;
}
.form-message          { padding: 14px 18px; margin-bottom: 20px; font-size: 14px; font-weight: 700; border-radius: 2px; }
.form-message--success { background: #ecfdf5; color: #065f46; border-left: 3px solid #059669; }
.form-message--error   { background: #fef2f2; color: #991b1b; border-left: 3px solid #dc2626; }

/* FOOTER */
.footer { background: var(--dark); }
.footer__inner { max-width: 1320px; margin: 0 auto; padding: 68px 8% 0; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 52px; }
.footer__logo  { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.footer__logo-badge { width: 40px; height: 40px; background: var(--orange); display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 700; font-size: 16px; color: #fff; }
.footer__logo span   { font-family: var(--font-head); font-size: 16px; font-weight: 600; letter-spacing: 1px; color: #fff; }
.footer__tagline     { font-size: 12px; color: var(--orange-light); letter-spacing: 0.5px; margin-top: 10px; font-style: italic; }
.footer__about       { font-size: 13px; color: rgba(255,255,255,0.38); line-height: 1.8; margin-top: 10px; max-width: 290px; }
.footer__certs       { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.cert-badge          { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.45); border: 1px solid rgba(255,255,255,0.12); padding: 5px 10px; }
.footer__social      { display: flex; gap: 12px; margin-top: 18px; }
.social-icon         { width: 36px; height: 36px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; transition: background var(--ease); }
.social-icon:hover   { background: var(--orange); }
.footer__col-title   { font-family: var(--font-head); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 2.5px; color: #fff; margin-bottom: 20px; }
.footer__links       { display: flex; flex-direction: column; gap: 11px; }
.footer__links a     { font-size: 13px; color: rgba(255,255,255,0.38); text-decoration: none; transition: color var(--ease); }
.footer__links a:hover { color: var(--orange); }
.footer__contact-item  { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.footer__contact-icon  { width: 14px; height: 14px; fill: var(--orange); flex-shrink: 0; margin-top: 2px; }
.footer__contact-item span,
.footer__contact-item a { font-size: 13px; color: rgba(255,255,255,0.38); text-decoration: none; line-height: 1.6; }
.footer__contact-item a:hover { color: var(--orange); }
.footer__bottom        { border-top: 1px solid rgba(255,255,255,0.07); margin-top: 52px; }
.footer__bottom-inner  { max-width: 1320px; margin: 0 auto; padding: 28px 8%; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer__copy          { font-size: 12px; color: rgba(255,255,255,0.25); }
.footer__legal         { display: flex; gap: 20px; }
.footer__legal span    { font-size: 11px; color: rgba(255,255,255,0.2); }

/* WHATSAPP */
.wa-float { position: fixed; bottom: 32px; right: 32px; z-index: 999; width: 58px; height: 58px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(37,211,102,0.4); text-decoration: none; animation: waBob 3s ease-in-out infinite; }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }
.wa-float__tooltip { position: absolute; right: 68px; background: var(--dark); color: #fff; font-size: 12px; padding: 6px 12px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
.wa-float:hover .wa-float__tooltip { opacity: 1; }
@keyframes waBob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

/* NAVBAR */
.nav { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(10,10,22,0.94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(232,93,4,0.18); transition: background var(--ease); }
.nav.scrolled     { background: rgba(10,10,22,0.99); }
.nav__inner       { max-width: 1320px; margin: 0 auto; padding: 0 5%; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav__logo        { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav__logo-badge  { width: 42px; height: 42px; background: var(--orange); display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 700; font-size: 18px; color: #fff; }
.nav__logo-img    { height: 40px; width: auto; }
.nav__logo-text strong { font-family: var(--font-head); font-size: 17px; font-weight: 600; letter-spacing: 1px; display: block; color: #fff; }
.nav__logo-text span   { font-size: 10px; letter-spacing: 2px; color: rgba(255,255,255,0.42); text-transform: uppercase; }
.nav__links       { display: flex; gap: 30px; list-style: none; }
.nav__link        { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; transition: color var(--ease); }
.nav__link:hover  { color: var(--orange-light); }
.nav__cta         { font-size: 13px !important; padding: 10px 22px !important; }
.nav__hamburger   { display: none; flex-direction: column; gap: 5px; padding: 4px; background: none; border: none; cursor: pointer; }
.nav__hamburger span { display: block; width: 24px; height: 2px; background: #fff; transition: all var(--ease); border-radius: 1px; }
.nav__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.nav__mobile-drawer { display: none; background: var(--steel); padding: 0; overflow: hidden; max-height: 0; transition: max-height 0.4s ease; }
.nav__mobile-drawer.open { max-height: 600px; }
.nav__mobile-links { padding: 20px 5%; }
.nav__mobile-link  { display: block; color: rgba(255,255,255,0.75); text-decoration: none; font-size: 15px; letter-spacing: 1px; text-transform: uppercase; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06); transition: color var(--ease); }
.nav__mobile-link:hover { color: var(--orange-light); }
.nav__mobile-cta   { color: var(--orange) !important; font-weight: 700; }
.nav__mobile-contact { padding: 16px 5% 24px; display: flex; flex-direction: column; gap: 6px; }
.nav__mobile-contact a { font-size: 13px; color: rgba(255,255,255,0.45); text-decoration: none; }