/* ===== DR. RAJENDRA PATIL (YADRAVKAR) — PHOTO DOCUMENTARY ===== */
/* Charcoal (#18181B) + Warm Vermilion (#DC2626) + Off-White (#FAFAFA) */
/* Sora + Source Serif 4 (classic editorial) */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;0,8..60,700;0,8..60,900;1,8..60,400&display=swap');

:root {
    --charcoal: #18181B;
    --charcoal-800: #27272A;
    --charcoal-700: #3F3F46;
    --charcoal-600: #52525B;
    --vermilion: #DC2626;
    --vermilion-dark: #B91C1C;
    --vermilion-light: #FEF2F2;
    --off-white: #FAFAFA;
    --off-100: #F4F4F5;
    --off-200: #E4E4E7;
    --off-300: #D4D4D8;
    --zinc-400: #A1A1AA;
    --zinc-500: #71717A;
    --zinc-600: #52525B;
    --zinc-700: #3F3F46;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .1);
    --shadow-lg: 0 12px 36px rgba(0, 0, 0, .14);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, .2);
    --tr: .4s cubic-bezier(.4, 0, .2, 1);
    --radius: 8px
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    font-family: 'Sora', sans-serif;
    background: var(--off-white);
    color: var(--zinc-600);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased
}

a {
    text-decoration: none;
    color: inherit
}

img {
    max-width: 100%;
    display: block
}

ul,
ol {
    list-style: none
}

h1,
h2,
h3,
h4 {
    font-family: 'Source Serif 4', serif;
    color: var(--charcoal);
    font-weight: 900
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(24, 24, 27, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0;
    transition: var(--tr)
}

.navbar.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, .3)
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--vermilion);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Sora';
    font-size: .6rem;
    font-weight: 800;
    color: var(--white)
}

.logo-name {
    font-family: 'Sora';
    font-size: .85rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -.02em
}

.logo-name span {
    color: var(--vermilion)
}

.nav-links {
    display: flex;
    gap: 0
}

.nav-links a {
    color: rgba(255, 255, 255, .4);
    font-family: 'Sora';
    font-size: .72rem;
    font-weight: 600;
    padding: 16px 14px;
    transition: var(--tr);
    position: relative
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--vermilion);
    border-radius: 2px 2px 0 0
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
    border-radius: 4px;
    transition: var(--tr)
}

/* ===== FULLSCREEN IMAGE SLIDER ===== */
.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: var(--charcoal)
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    z-index: 0
}

.slide.active {
    opacity: 1;
    z-index: 1
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(24, 24, 27, .85) 0%, rgba(24, 24, 27, .3) 40%, rgba(24, 24, 27, .1) 100%)
}

.slide-content {
    position: absolute;
    bottom: 80px;
    left: 0;
    right: 0;
    z-index: 2;
    padding: 0 24px;
    max-width: 1100px;
    margin: 0 auto
}

.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(220, 38, 38, .15);
    border: 1px solid rgba(220, 38, 38, .2);
    color: var(--vermilion);
    font-family: 'Sora';
    font-size: .5rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: .16em;
    margin-bottom: 12px
}

.slide-badge .dot {
    width: 5px;
    height: 5px;
    background: var(--vermilion);
    border-radius: 50%;
    animation: pulse 2s ease infinite
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1)
    }

    50% {
        opacity: .3;
        transform: scale(1.6)
    }
}

.slide h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    line-height: 1.08;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: -.03em;
    max-width: 620px
}

.slide h1 em {
    color: var(--vermilion);
    font-style: normal
}

.slide p {
    color: rgba(255, 255, 255, .4);
    font-family: 'Source Serif 4', serif;
    font-size: .92rem;
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 18px
}

.slide-btns {
    display: flex;
    gap: 10px
}

/* Slider controls */
.slider-nav {
    position: absolute;
    bottom: 32px;
    right: 40px;
    z-index: 3;
    display: flex;
    gap: 6px
}

.slider-dot {
    width: 28px;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, .15);
    cursor: pointer;
    transition: var(--tr);
    border: none
}

.slider-dot.active {
    width: 44px;
    background: var(--vermilion)
}

.slider-arrows {
    position: absolute;
    top: 50%;
    right: 30px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateY(-50%)
}

.s-arrow {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, .06);
    background: rgba(255, 255, 255, .04);
    color: var(--white);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--tr);
    backdrop-filter: blur(10px)
}

.s-arrow:hover {
    background: var(--vermilion);
    border-color: transparent
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 6px;
    font-family: 'Sora';
    font-weight: 700;
    font-size: .76rem;
    cursor: pointer;
    border: none;
    transition: var(--tr)
}

.btn-red {
    background: var(--vermilion);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(220, 38, 38, .2)
}

.btn-red:hover {
    background: var(--vermilion-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(220, 38, 38, .3)
}

.btn-dark {
    background: var(--charcoal);
    color: var(--white)
}

.btn-dark:hover {
    background: var(--charcoal-800);
    transform: translateY(-2px)
}

.btn-glass {
    background: rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .5);
    border: 1px solid rgba(255, 255, 255, .06);
    backdrop-filter: blur(10px)
}

.btn-glass:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff
}

.btn-outline {
    background: transparent;
    color: var(--vermilion);
    border: 1.5px solid var(--vermilion)
}

.btn-outline:hover {
    background: var(--vermilion);
    color: var(--white)
}

.btn-wh-outline {
    background: transparent;
    color: var(--charcoal);
    border: 1.5px solid var(--off-200)
}

.btn-wh-outline:hover {
    border-color: var(--charcoal);
    background: var(--charcoal);
    color: var(--white)
}

/* ===== SECTIONS ===== */
.section {
    padding: 68px 0
}

.sec-off {
    background: var(--off-white)
}

.sec-white {
    background: var(--white)
}

.sec-light {
    background: var(--off-100)
}

.sec-dark {
    background: var(--charcoal);
    color: var(--white)
}

.sec-charcoal {
    background: var(--charcoal-800);
    color: var(--white)
}

.sec-eyebrow {
    font-family: 'Sora';
    font-size: .52rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .18em;
    color: var(--vermilion);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px
}

.sec-eyebrow::before {
    content: '';
    width: 18px;
    height: 1.5px;
    background: var(--vermilion)
}

.sec-title {
    font-family: 'Source Serif 4', serif;
    font-size: clamp(1.3rem, 2.8vw, 1.8rem);
    margin-bottom: 8px;
    letter-spacing: -.015em
}

.sec-desc {
    color: var(--zinc-500);
    font-size: .85rem;
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 20px
}

/* ===== PHOTO GRID — Leader In Action / Gallery ===== */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 6px;
    margin: 20px 0
}

.photo-grid.large {
    grid-auto-rows: 260px
}

.pg-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer
}

.pg-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .6s
}

.pg-item:hover img {
    transform: scale(1.06)
}

.pg-ov {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(24, 24, 27, .85), transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 14px;
    opacity: 0;
    transition: var(--tr)
}

.pg-item:hover .pg-ov {
    opacity: 1
}

.pg-ov h4 {
    color: var(--white);
    font-family: 'Sora';
    font-size: .78rem;
    font-weight: 700
}

.pg-ov p {
    color: var(--vermilion);
    font-family: 'Sora';
    font-size: .48rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em
}

.pg-item.span-2 {
    grid-column: span 2
}

.pg-item.span-r2 {
    grid-row: span 2
}

/* ===== DUO LAYOUT ===== */
.duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
    margin: 24px 0
}

.duo.flip {
    direction: rtl
}

.duo.flip>* {
    direction: ltr
}

.duo-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg)
}

.duo-img img {
    width: 100%;
    height: 360px;
    object-fit: cover
}

/* ===== HIGHLIGHT STRIP ===== */
.h-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 20px 0;
    border-radius: var(--radius);
    overflow: hidden
}

.h-strip-item {
    padding: 22px 18px;
    background: var(--charcoal);
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, .04);
    transition: var(--tr)
}

.h-strip-item:last-child {
    border: none
}

.h-strip-item:hover {
    background: var(--charcoal-800)
}

.h-strip .sn {
    font-family: 'Sora';
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--vermilion);
    line-height: 1
}

.h-strip .sl {
    font-family: 'Sora';
    font-size: .48rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: rgba(255, 255, 255, .35);
    margin-top: 4px
}

/* ===== INFO CARDS ===== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 24px 0
}

.info-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--off-200);
    transition: var(--tr)
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--vermilion)
}

.info-card .ico {
    font-size: 1.2rem;
    margin-bottom: 10px
}

.info-card h3 {
    font-family: 'Sora';
    font-size: .82rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--charcoal)
}

.info-card p {
    font-size: .78rem;
    color: var(--zinc-500);
    line-height: 1.7
}

/* ===== WORK CARDS ===== */
.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 24px 0
}

.w-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    gap: 14px;
    border: 1px solid var(--off-200);
    transition: var(--tr)
}

.w-card:hover {
    border-color: var(--vermilion);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px)
}

.w-ico {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--vermilion-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0
}

.w-card h3 {
    font-family: 'Sora';
    font-size: .82rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--charcoal)
}

.w-card p {
    font-size: .76rem;
    color: var(--zinc-500);
    line-height: 1.7
}

/* ===== MILESTONE BAR ===== */
.ms-bar {
    display: flex;
    gap: 0;
    margin: 24px 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--off-200)
}

.ms-bar-item {
    flex: 1;
    padding: 20px 16px;
    text-align: center;
    background: var(--white);
    border-right: 1px solid var(--off-200);
    transition: var(--tr)
}

.ms-bar-item:last-child {
    border: none
}

.ms-bar-item:hover {
    background: var(--vermilion-light)
}

.ms-bar-item .mb-yr {
    font-family: 'Sora';
    font-size: .55rem;
    font-weight: 800;
    color: var(--vermilion);
    text-transform: uppercase;
    letter-spacing: .1em
}

.ms-bar-item h4 {
    font-family: 'Sora';
    font-size: .78rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-top: 4px
}

.ms-bar-item p {
    font-size: .68rem;
    color: var(--zinc-500);
    margin-top: 2px
}

/* CHIP BAR */
.chip-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px
}

.chip {
    background: var(--vermilion-light);
    color: var(--vermilion);
    padding: 4px 12px;
    border-radius: 6px;
    font-family: 'Sora';
    font-size: .68rem;
    font-weight: 700
}

/* PAGE HEADER */
.pg-header {
    padding: 120px 0 44px;
    background: var(--charcoal);
    position: relative;
    overflow: hidden
}

.pg-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(220, 38, 38, .04), transparent 70%);
    border-radius: 50%
}

.pg-header .container {
    position: relative;
    z-index: 2
}

.pg-header h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    color: var(--white);
    margin-bottom: 8px
}

.pg-header h1 span {
    color: var(--vermilion)
}

.pg-header p {
    color: rgba(255, 255, 255, .35);
    font-size: .85rem
}

.breadcrumb {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    font-size: .7rem
}

.breadcrumb a {
    color: var(--vermilion)
}

.breadcrumb em {
    color: rgba(255, 255, 255, .15);
    font-style: normal
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    margin: 24px 0
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.fg {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.fg label {
    font-family: 'Sora';
    font-size: .55rem;
    font-weight: 700;
    color: var(--zinc-500);
    text-transform: uppercase;
    letter-spacing: .1em
}

.fg input,
.fg textarea {
    padding: 12px 14px;
    border-radius: 6px;
    border: 1.5px solid var(--off-200);
    background: var(--white);
    color: var(--charcoal);
    font-family: 'Sora';
    font-size: .82rem;
    transition: var(--tr);
    outline: none
}

.fg input:focus,
.fg textarea:focus {
    border-color: var(--vermilion);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, .04)
}

.fg textarea {
    min-height: 110px;
    resize: vertical
}

.c-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.c-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border: 1px solid var(--off-200)
}

.c-ico {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--vermilion-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    flex-shrink: 0
}

.c-card h4 {
    font-family: 'Sora';
    font-size: .78rem;
    color: var(--charcoal);
    font-weight: 700;
    margin-bottom: 2px
}

.c-card p {
    color: var(--zinc-500);
    font-size: .72rem;
    line-height: 1.5
}

/* LIGHTBOX */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(24, 24, 27, .96);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--tr)
}

.lightbox.active {
    opacity: 1;
    visibility: visible
}

.lightbox img {
    max-width: 88%;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 6px
}

.lb-x {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, .06);
    background: rgba(255, 255, 255, .04);
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--tr)
}

.lb-x:hover {
    background: var(--vermilion);
    border-color: transparent
}

/* ===== FOOTER ===== */
.footer {
    background: var(--charcoal);
    padding: 44px 0 0
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 28px;
    padding-bottom: 28px
}

.footer-about h3 {
    color: var(--white);
    font-family: 'Source Serif 4', serif;
    font-size: .95rem;
    margin-bottom: 8px
}

.footer-about p {
    color: var(--zinc-500);
    font-size: .76rem;
    line-height: 1.7
}

.footer-links h4 {
    color: var(--white);
    font-family: 'Sora';
    font-size: .78rem;
    font-weight: 700;
    margin-bottom: 8px
}

.footer-links a {
    display: block;
    color: var(--zinc-500);
    font-size: .72rem;
    padding: 3px 0;
    transition: var(--tr)
}

.footer-links a:hover {
    color: var(--vermilion)
}

.footer-contact h4 {
    color: var(--white);
    font-family: 'Sora';
    font-size: .78rem;
    font-weight: 700;
    margin-bottom: 8px
}

.footer-contact p {
    color: var(--zinc-500);
    font-size: .72rem;
    line-height: 1.8
}

.footer-bar {
    border-top: 1px solid rgba(255, 255, 255, .04);
    padding: 14px 0
}

.footer-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px
}

.footer-bar-left {
    color: var(--zinc-600);
    font-size: .68rem
}

.footer-bar-right {
    font-size: .68rem;
    color: var(--zinc-600)
}

.footer-bar-right a {
    color: var(--vermilion);
    font-weight: 700
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 0 0;
    margin-top: 6px
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .04);
    color: var(--zinc-500);
    transition: var(--tr)
}

.footer-social a:hover {
    background: var(--vermilion);
    color: var(--white);
    transform: translateY(-3px)
}

.footer-social a svg {
    width: 13px;
    height: 13px;
    fill: currentColor
}

/* ANIMATIONS */
.rv {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .6s ease, transform .6s ease
}

.rv.on {
    opacity: 1;
    transform: translateY(0)
}

.rvl {
    opacity: 0;
    transform: translateX(-22px);
    transition: opacity .6s ease, transform .6s ease
}

.rvl.on {
    opacity: 1;
    transform: translateX(0)
}

.rvr {
    opacity: 0;
    transform: translateX(22px);
    transition: opacity .6s ease, transform .6s ease
}

.rvr.on {
    opacity: 1;
    transform: translateX(0)
}

.rvs {
    opacity: 0;
    transform: scale(.93);
    transition: opacity .5s ease, transform .5s ease
}

.rvs.on {
    opacity: 1;
    transform: scale(1)
}

/* RESPONSIVE */
@media(max-width:1024px) {

    .duo,
    .duo.flip,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr
    }

    .duo.flip {
        direction: ltr
    }

    .photo-grid,
    .info-grid,
    .h-strip {
        grid-template-columns: 1fr 1fr
    }

    .ms-bar {
        flex-direction: column
    }

    .ms-bar-item {
        border-right: none;
        border-bottom: 1px solid var(--off-200)
    }
}

@media(max-width:768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--charcoal);
        flex-direction: column;
        padding: 70px 24px;
        gap: 0;
        transition: var(--tr);
        box-shadow: -4px 0 20px rgba(0, 0, 0, .3)
    }

    .nav-links.active {
        right: 0
    }

    .nav-toggle {
        display: flex
    }

    .nav-links a {
        padding: 11px 0
    }

    .nav-links a.active::after {
        display: none
    }

    .photo-grid {
        grid-template-columns: 1fr
    }

    .photo-grid .pg-item.span-2 {
        grid-column: span 1
    }

    .info-grid,
    .work-grid,
    .h-strip {
        grid-template-columns: 1fr
    }

    .slider-arrows {
        display: none
    }

    .footer-bar .container {
        flex-direction: column;
        text-align: center
    }

    .slide-content {
        bottom: 50px
    }
}