/* ============================================================
   ADVIKA SOLUTIONS — Website Styles v2
   Clean, light, corporate-professional design
   ============================================================ */

/* ---- RESET & VARIABLES ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --navy:        #0d2461;
    --navy-mid:    #1a3a6e;
    --orange:      #f07318;
    --orange-dark: #d4640e;
    --blue:        #1e6db5;
    --white:       #ffffff;
    --off-white:   #f8f9fa;
    --grey-light:  #f4f6fa;
    --grey:        #e2e8f0;
    --text:        #374151;
    --text-light:  #6b7280;
    --text-dark:   #0d1d3d;
    --shadow:      0 2px 8px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md:   0 8px 24px rgba(0,0,0,0.09);
    --shadow-lg:   0 20px 48px rgba(0,0,0,0.11);
    --radius:      8px;
    --radius-lg:   16px;
    --transition:  all 0.25s ease;
    --gradient-brand: linear-gradient(135deg, #1e6db5 0%, #f07318 100%);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background: var(--white);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- UTILITIES ---- */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 14px;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}
.section-header h2 {
    font-size: clamp(28px, 3.8vw, 42px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.5px;
}
.section-header p {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.75;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--orange);
    color: var(--white);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--orange);
    transition: var(--transition);
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--orange-dark);
    border-color: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240,115,24,0.35);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--navy);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--navy);
    transition: var(--transition);
}
.btn-secondary:hover {
    background: var(--navy);
    color: var(--white);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.btn-submit:hover {
    background: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240,115,24,0.3);
}

/* ---- NAVBAR ---- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid transparent;
    padding: 10px 0;
    transition: var(--transition);
}
.navbar.scrolled {
    border-bottom-color: var(--grey);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    padding: 8px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-img {
    height: 72px;
    width: auto;
    display: block;
    transition: var(--transition);
}
.logo-img:hover { opacity: 0.85; }

.footer-logo-img {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: 16px;
    background: var(--white);
    border-radius: 8px;
    padding: 6px 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0; right: 0;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--orange); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
    background: var(--orange) !important;
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: var(--radius);
    font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--orange-dark) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(240,115,24,0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
.hero {
    padding-top: 96px;
    min-height: 88vh;
    background: linear-gradient(140deg, #edf2ff 0%, #f5f8ff 45%, #ffffff 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -100px; right: -140px;
    width: 640px; height: 640px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240,115,24,0.08) 0%, rgba(30,109,181,0.05) 45%, transparent 68%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 420px; height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30,109,181,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-highlight {
    background: linear-gradient(135deg, #d4640e 0%, #f07318 55%, #f5a040 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 48px;
    padding-bottom: 80px;
    max-width: 740px;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240,115,24,0.08);
    border: 1px solid rgba(240,115,24,0.24);
    color: var(--orange-dark);
    padding: 8px 18px;
    border-radius: 24px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 28px;
}
.hero-tag-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--orange);
    box-shadow: 0 0 8px rgba(240,115,24,0.6);
    animation: pulse-dot 2s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.45; transform: scale(0.7); }
}
.hero-content h1 {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.1;
    margin-bottom: 22px;
    letter-spacing: -1.5px;
}
.hero-sub {
    font-size: clamp(16px, 1.8vw, 18px);
    color: var(--text);
    max-width: 580px;
    margin-bottom: 40px;
    line-height: 1.8;
}
.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---- STATS STRIP ---- */
.stats-strip {
    background: linear-gradient(135deg, var(--navy) 0%, #1a3a6e 50%, var(--navy) 100%);
    padding: 48px 0;
    position: relative;
}
.stats-strip::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-number {
    display: block;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.62);
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ---- ABOUT ---- */
.about {
    padding: 100px 0;
    background: var(--white);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-text h2 {
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.3px;
}
.about-text p {
    font-size: 16px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 16px;
}
.about-text strong { color: var(--text-dark); }
.about-text .btn-primary { margin-top: 16px; }

.about-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.pillar {
    background: var(--grey-light);
    padding: 26px 22px;
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--orange);
    transition: var(--transition);
}
.pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--white);
}
.pillar-icon { color: var(--orange); font-size: 16px; margin-bottom: 12px; }
.pillar h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.pillar p  { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ---- SERVICES ---- */
.services {
    padding: 100px 0;
    background: var(--grey-light);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.service-card {
    background: var(--white);
    padding: 40px 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1.5px solid transparent;
}
.service-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(240,115,24,0.12);
}
.service-card:hover::after { transform: scaleX(1); }

.service-card--wide {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
    border: 1.5px solid rgba(30,109,181,0.15) !important;
}
.service-card--wide::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
}
.service-card--wide::after { display: none; }
.service-wide-body h3 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.service-badge {
    display: inline-block;
    background: var(--gradient-brand);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 20px;
}
.service-number {
    font-size: 48px;
    font-weight: 800;
    color: #e6eaf2;
    line-height: 1;
    margin-bottom: 14px;
}
.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.service-card p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.75;
}

/* ---- SECTORS ---- */
.sectors {
    padding: 100px 0;
    background: var(--white);
}
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.sector-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--grey);
    transition: var(--transition);
    background: var(--white);
}
.sector-card:hover {
    border-color: var(--orange);
    box-shadow: 0 0 0 1px var(--orange), var(--shadow-lg);
    transform: translateY(-4px);
}
.sector-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
}
.bfsi-icon   { background: #1a3a6e; }
.mfg-icon    { background: #1e5e3e; }
.energy-icon { background: #c56b10; }
.it-icon     { background: #3d0f85; font-size: 13px; letter-spacing: 0.5px; }

.sector-card h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.sector-sub {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.3px;
    margin-bottom: 14px;
    text-transform: uppercase;
}
.sector-card > p { font-size: 15px; color: var(--text); line-height: 1.75; margin-bottom: 20px; }
.sector-roles { display: flex; flex-wrap: wrap; gap: 7px; }
.sector-roles span {
    background: var(--grey-light);
    color: var(--text);
    font-size: 12px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 20px;
}

/* ---- APPROACH ---- */
.approach {
    padding: 100px 0;
    background: var(--grey-light);
}
.approach-steps {
    max-width: 760px;
    margin: 0 auto;
}
.step {
    display: flex;
    gap: 36px;
    align-items: flex-start;
    padding: 32px 0;
    border-bottom: 1px solid var(--grey);
    transition: var(--transition);
}
.step:last-child { border-bottom: none; }
.step:hover .step-num { color: var(--orange); }

.step-num {
    font-size: 36px;
    font-weight: 800;
    color: #ced5e4;
    min-width: 64px;
    line-height: 1;
    transition: var(--transition);
    padding-top: 3px;
}
.step-content h4 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.step-content p  { font-size: 15px; color: var(--text); line-height: 1.75; }

/* ---- TESTIMONIAL ---- */
.testimonial {
    padding: 88px 0;
    background: var(--white);
}
.testimonial .container {
    max-width: 820px;
    text-align: center;
}
.testimonial-card {
    background: var(--grey-light);
    border-radius: var(--radius-lg);
    padding: 52px 60px;
    border-left: 4px solid var(--orange);
    text-align: left;
    position: relative;
}
blockquote p {
    font-size: clamp(17px, 2.2vw, 21px);
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.65;
    font-style: italic;
    margin-bottom: 28px;
    position: relative;
    padding: 0 8px;
}
blockquote p::before {
    content: '\201C';
    font-size: 88px;
    color: var(--orange);
    line-height: 0;
    position: absolute;
    top: 28px; left: -10px;
    font-style: normal;
    opacity: 0.18;
}
cite {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.5px;
    font-style: normal;
    text-transform: uppercase;
}

/* ---- CONTACT ---- */
.contact {
    padding: 100px 0;
    background: var(--grey-light);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}
.contact-text h2 {
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.3px;
}
.contact-text > p {
    font-size: 16px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 40px;
}
.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item    { display: flex; flex-direction: column; gap: 5px; }
.contact-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-light);
}
.contact-item a,
.contact-item span { font-size: 16px; color: var(--text-dark); font-weight: 500; }
.contact-item a:hover { color: var(--orange); }

/* Form */
.contact-form {
    background: var(--white);
    padding: 44px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--grey);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    background: var(--white);
    transition: var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(30,109,181,0.1);
}
.form-group textarea { resize: vertical; min-height: 104px; }
.form-note { text-align: center; font-size: 13px; color: var(--text-light); margin-top: 14px; }

/* ---- FOOTER ---- */
.footer {
    background: var(--navy);
    padding: 72px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.8; }
.footer h5 {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 18px;
}
.footer-links ul,
.footer-sectors ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-links a:hover { color: var(--orange); }
.footer-sectors li { font-size: 14px; color: rgba(255,255,255,0.5); }
.footer-contact p  { font-size: 14px; color: rgba(255,255,255,0.5); margin-bottom: 10px; }
.footer-contact a  { transition: var(--transition); }
.footer-contact a:hover { color: var(--orange); }
.footer-bottom { padding: 22px 0; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.22); text-align: center; }

/* Fade-in animation targets */
.service-card, .sector-card, .pillar, .step, .stat { will-change: opacity, transform; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .about-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 52px; }
    .footer-grid  { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 36px;
        z-index: 999;
    }
    .nav-links.open { display: flex; }
    .nav-links a { font-size: 20px; font-weight: 600; color: var(--text-dark); }
    .hamburger { display: flex; }

    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .stats-grid .stat:nth-child(4),
    .stats-grid .stat:nth-child(5) { grid-column: span 1; }
    .stats-grid .stat:nth-child(4) { grid-column-start: 1; }
    .stats-grid .stat:nth-child(5) { grid-column-start: 3; }

    .services-grid,
    .sectors-grid { grid-template-columns: 1fr; }
    .service-card--wide { grid-column: 1; }

    .about-pillars { grid-template-columns: 1fr; }
    .footer-grid   { grid-template-columns: 1fr; gap: 28px; }

    .hero-ctas { flex-direction: column; }
    .btn-primary, .btn-secondary { text-align: center; }

    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 20px; }

    blockquote p::before { display: none; }
    .testimonial-card { padding: 36px 28px; }

    .step { gap: 20px; }
    .step-num { min-width: 44px; font-size: 28px; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .stats-grid { gap: 14px; }
    .service-card, .sector-card { padding: 28px 22px; }
    .hero-content h1 { letter-spacing: -0.5px; }
    .logo-img { height: 56px; }
}