/* ============================================
   D.P.S SainikSchool - Enhanced Design System
   ============================================ */

:root {
    /* Sainik School Color Palette - Military Academic Theme */
    --primary: #4a5a3c;
    --primary-gradient: linear-gradient(135deg, #4a5a3c 0%, #5c6d4a 100%);
    --primary-dark: #363f2d;
    --primary-light: #e8ebe5;
    --primary-ultra-light: #f0f2ed;

    --secondary: #1a2332;
    --accent: #b8985d;
    --accent-orange: #a67c52;

    --text-main: #2c3e50;
    --text-muted: #546e7a;
    --text-light: #90a4ae;
    --white: #ffffff;
    --off-white: #f7f5f0;

    /* Background Gradients - Formal & Structured */
    --bg-gradient-1: linear-gradient(135deg, #ffffff 0%, #f7f5f0 100%);
    --bg-gradient-2: linear-gradient(180deg, #ffffff 0%, #e8ebe5 100%);
    --bg-gradient-radial: radial-gradient(
        circle at top right,
        #f0f2ed,
        #ffffff
    );

    /* Shadow System - More Defined for Institutional Look */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.09);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.11);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.13);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 8px 20px rgba(74, 90, 60, 0.25);
    --shadow-primary-lg: 0 12px 28px rgba(74, 90, 60, 0.3);

    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    /* Border Radius - More Angular for Formal Look */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions - Linear & Professional */
    --transition-fast: 0.2s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
    --transition-smooth: 0.35s ease;
}

/* ============================================
   Base Styles & Typography
   ============================================ */

* {
    box-sizing: border-box;
}

body {
    font-family:
        "Outfit",
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    color: var(--text-main);
    line-height: 1.65;
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 0.75em;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
}
h2 {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
}
h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}
h4 {
    font-size: 1.25rem;
}
h5 {
    font-size: 1.125rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}
.lead {
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.6;
}
.small,
small {
    font-size: 0.875rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(46, 125, 50, 0.08);
    padding: 0.75rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.header.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar-brand .logo-img {
    height: 42px;
    transition: transform var(--transition-base);
}

.navbar-brand:hover .logo-img {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    font-size: 0.9375rem;
    padding: 0.75rem 1.25rem !important;
    margin: 0 0.25rem;
    border-radius: 50px;
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::before {
    content: "";
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: width var(--transition-base);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 50%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
}

/* Hamburger Icon */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.hamburger-icon {
    width: 26px;
    height: 20px;
    position: relative;
    cursor: pointer;
}

.hamburger-icon span {
    display: block;
    position: absolute;
    height: 2.5px;
    width: 100%;
    background: var(--text-main);
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transition: 0.25s ease-in-out;
}

.hamburger-icon span:nth-child(1) {
    top: 0;
}
.hamburger-icon span:nth-child(2) {
    top: 9px;
}
.hamburger-icon span:nth-child(3) {
    top: 18px;
}

.navbar-toggler:not(.collapsed) .hamburger-icon span:nth-child(1) {
    top: 9px;
    transform: rotate(135deg);
    background: var(--primary);
}

.navbar-toggler:not(.collapsed) .hamburger-icon span:nth-child(2) {
    opacity: 0;
    left: -30px;
}

.navbar-toggler:not(.collapsed) .hamburger-icon span:nth-child(3) {
    top: 9px;
    transform: rotate(-135deg);
    background: var(--primary);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    font-size: 0.875rem;
}

.btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition:
        width 0.6s,
        height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary-lg);
    color: #fff;
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
}

/* ============================================
   Layout & Sections
   ============================================ */

.section-wrapper {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
}

@media (max-width: 768px) {
    .section-wrapper {
        padding: 3rem 0;
    }
}

/* Section Backgrounds */
.bg-white {
    background-color: var(--white);
}
.bg-soft {
    background: var(--bg-gradient-1);
}
.bg-off-white {
    background-color: var(--off-white);
}
.bg-gradient-soft {
    background: var(--bg-gradient-2);
}
.bg-gradient-radial {
    background: var(--bg-gradient-radial);
}

.bg-pattern-dots {
    position: relative;
}

.bg-pattern-dots::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(
        circle,
        rgba(74, 90, 60, 0.05) 1px,
        transparent 1px
    );
    background-size: 24px 24px;
    opacity: 0.6;
}

/* Section Titles */
.section-title-wrapper {
    margin-bottom: 3.5rem;
    position: relative;
}

.section-title {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 0.75rem;
    display: block;
}

.title-accent-line {
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 1rem auto 0;
    border-radius: 2px;
    position: relative;
}

.title-accent-line::after {
    content: "";
    position: absolute;
    left: 70px;
    top: 0;
    width: 20px;
    height: 4px;
    background: var(--accent);
    opacity: 0.5;
    border-radius: 2px;
}

.text-center .title-accent-line {
    margin-left: auto;
    margin-right: auto;
}

.title-accent-line.ms-0::after {
    left: 70px;
}

/* Dividers */
.section-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.section-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.5px);
    height: 60px;
}

/* ============================================
   Cards System
   ============================================ */

.custom-card {
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
    height: 100%;
}

.custom-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(74, 90, 60, 0.2);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--secondary);
}

.card-img-top {
    transition: transform var(--transition-slow);
}

.custom-card:hover .card-img-top {
    transform: scale(1.08);
}

.badge-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(46, 125, 50, 0.1);
}

/* ============================================
   Teacher Cards
   ============================================ */

.teacher-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
}

.teacher-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.teacher-card:hover::before {
    transform: scaleX(1);
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.teacher-img-container {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
}

.teacher-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: all var(--transition-slow);
}

.teacher-card:hover .teacher-img {
    transform: scale(1.1);
}

.teacher-info {
    padding: 1.5rem;
    background: var(--white);
    position: relative;
}

.teacher-info h5 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.teacher-info small {
    display: block;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

/* ============================================
   Alumni Cards
   ============================================ */

.alumni-card {
    background: var(--white);
    padding: 2.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
    height: 100%;
}

.alumni-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary-gradient);
    transition: height var(--transition-base);
    border-radius: 0 0 4px 0;
}

.alumni-card:hover::before {
    height: 100%;
}

.alumni-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(46, 125, 50, 0.1);
}

.alumni-quote-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 4.5rem;
    color: rgba(46, 125, 50, 0.04);
    z-index: 0;
    line-height: 1;
}

.alumni-card img {
    border: 3px solid var(--off-white);
    transition: border-color var(--transition-base);
}

.alumni-card:hover img {
    border-color: var(--primary-light);
}

/* ============================================
   Stat Cards
   ============================================ */

.stat-card {
    background: var(--white);
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--off-white);
    border-color: var(--primary-light);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.stat-card:hover .stat-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.stat-text h6 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.125rem;
    color: var(--text-main);
}

.stat-text p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.3;
}

/* ============================================
   Gallery
   ============================================ */

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.gallery-overlay {
    background: linear-gradient(
        135deg,
        rgba(74, 90, 60, 0.9),
        rgba(92, 109, 74, 0.85)
    );
    backdrop-filter: blur(4px);
    transition: opacity var(--transition-base);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    color: #b0b0b0;
    position: relative;
}

.footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(184, 152, 93, 0.3),
        transparent
    );
}

.footer h5 {
    color: var(--white);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.footer .text-muted {
    color: #ccc !important;
    transition: var(--transition-base);
}

.footer a {
    color: #ccc;
    transition: var(--transition-base);
    display: inline-block;
}

.footer a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer ul li {
    margin-bottom: 0.5rem;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.slide-in-left {
    animation: slideInLeft var(--transition-slow) ease-out;
}

.slide-in-right {
    animation: slideInRight var(--transition-slow) ease-out;
}

/* Stagger animation delays */
.reveal:nth-child(1) {
    transition-delay: 0.1s;
}
.reveal:nth-child(2) {
    transition-delay: 0.2s;
}
.reveal:nth-child(3) {
    transition-delay: 0.3s;
}
.reveal:nth-child(4) {
    transition-delay: 0.4s;
}

/* ============================================
   Utility Classes
   ============================================ */

.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spacing-1 {
    letter-spacing: 1px;
}
.spacing-2 {
    letter-spacing: 2px;
}

/* Map Container */
.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 992px) {
    .section-wrapper {
        padding: 3.5rem 0;
    }
    .section-title-wrapper {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    .btn {
        padding: 0.625rem 1.5rem;
    }
    .btn-lg {
        padding: 0.875rem 2rem;
    }
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Testimonials Slider
   ============================================ */

.testimonials-slider-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 60px;
}

.testimonials-slider {
    position: relative;
    min-height: 300px;
}

.testimonial-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.testimonial-slide:first-child {
    display: block;
    opacity: 1;
}

.testimonial-card {
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-xl);
}

.testimonial-message {
    position: relative;
}

/* Navigation Buttons */
.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.testimonial-nav:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-50%) scale(1.1);
}

.testimonial-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.testimonial-prev {
    left: 0;
}

.testimonial-next {
    right: 0;
}

/* Indicators */
.testimonial-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 0;
    margin: 0;
}

.testimonial-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-light);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.testimonial-indicator:hover {
    background: var(--accent);
    transform: scale(1.2);
}

.testimonial-indicator.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* Responsive Design for Testimonials */
@media (max-width: 992px) {
    .testimonials-slider-wrapper {
        padding: 0 50px;
    }

    .testimonial-nav {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .testimonials-slider-wrapper {
        padding: 0 15px;
    }

    .testimonial-nav {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .testimonial-prev {
        left: -5px;
    }

    .testimonial-next {
        right: -5px;
    }

    .testimonial-card {
        padding: 1.5rem !important;
    }

    .testimonial-message {
        font-size: 0.9375rem !important;
    }
}

@media (max-width: 576px) {
    .testimonials-slider-wrapper {
        padding: 0;
    }

    .testimonial-nav {
        display: none; /* Hide navigation buttons on small mobile */
    }

    .testimonial-indicators {
        margin-top: 1.5rem;
    }
}

/* Admission Enquiry Form Responsive Adjustments */
@media (max-width: 768px) {
    #admission-enquiry .row.g-3 {
        gap: 1rem !important;
    }

    #admission-enquiry .col-sm-6 {
        margin-bottom: 0.5rem;
    }
}

/* ============================================
   Testimonials Infinite Marquee (NEW)
   ============================================ */

.testimonials-marquee-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.testimonials-marquee {
    display: flex;
    width: fit-content;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    animation: marquee 40s linear infinite;
    will-change: transform;
}

.testimonials-marquee-wrapper:hover .testimonials-track {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card-marquee {
    flex-shrink: 0;
    width: 350px;
    max-width: 90vw;
}

\n.testimonial-inner {
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card-marquee img.rounded-circle {
    display: block;
    border-radius: 50%;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .testimonials-track {
        gap: 1.5rem;
        animation-duration: 30s;
    }
    .testimonial-card-marquee {
        width: 300px;
    }
    .testimonial-inner {
        min-height: 260px;
        padding: 1.5rem !important;
    }
}

@media (max-width: 576px) {
    .testimonials-track {
        gap: 1rem;
        animation-duration: 25s;
    }
    .testimonial-card-marquee {
        width: 280px;
    }
    .testimonial-inner {
        min-height: 240px;
    }
}