/* =========================================================
   ARCHITECTURE THROUGH THE AGES
   HISTORY EXPLORER
========================================================= */


/* =========================================================
   GLOBAL
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    background: #17120d;
    color: #ead9b5;
    font-family: "Libre Baskerville", serif;
    line-height: 1.8;
}

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

a {
    text-decoration: none;
}


/* =========================================================
   NAVIGATION
========================================================= */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    min-height: 78px;
    padding: 15px 6%;

    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(8, 10, 8, 0.96);

    border-bottom: 1px solid #51452d;

    backdrop-filter: blur(12px);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: "Cinzel", serif;
    font-size: 12px;
    letter-spacing: 4px;
    color: #b99658;
}

.project-name {
    font-family: "Cinzel", serif;
    font-size: 16px;
    letter-spacing: 2px;
    color: #e0cf9d;
}

.navbar nav {
    display: flex;
    gap: 28px;
}

.navbar nav a {
    font-family: "Cinzel", serif;
    font-size: 11px;
    letter-spacing: 1.5px;
    color: #a89c83;

    transition: 0.3s ease;
}

.navbar nav a:hover {
    color: #d6b56d;
}


/* =========================================================
   HERO
========================================================= */

.architecture-hero {
    min-height: 700px;

    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    text-align: center;

    background:
        linear-gradient(
            rgba(18, 13, 8, 0.48),
            rgba(18, 13, 8, 0.92)
        ),
        url("../assets/images/indian-architecture.webp");

    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;

    background:
        radial-gradient(
            circle at center,
            transparent 15%,
            rgba(0, 0, 0, 0.72) 100%
        );
}

.hero-content {
    position: relative;

    max-width: 1000px;

    padding: 50px 30px;
}

.hero-label {
    margin-bottom: 25px;

    color: #c7a45d;

    font-family: "Cinzel", serif;
    font-size: 13px;
    letter-spacing: 5px;
}

.architecture-hero h1 {
    font-family: "Cinzel", serif;

    font-size: clamp(50px, 8vw, 100px);

    line-height: 1;

    letter-spacing: 7px;

    color: #f0dfb8;

    text-shadow:
        0 5px 25px rgba(0, 0, 0, 0.9);
}

.architecture-hero h1 span {
    display: block;

    margin-top: 12px;

    color: #c39a52;
}

.hero-ornament {
    margin: 32px 0;

    color: #b08a4d;

    font-size: 18px;
}

.hero-description {
    max-width: 780px;

    margin: auto;

    color: #d8c9a8;

    font-size: 16px;

    line-height: 2;
}


/* =========================================================
   COMMON SECTION ELEMENTS
========================================================= */

.section-label {
    color: #b08a4d;

    font-family: "Cinzel", serif;

    font-size: 11px;

    letter-spacing: 4px;
}

.ornament {
    margin: 25px 0;

    color: #b08a4d;

    font-size: 20px;
}


/* =========================================================
   INTRODUCTION
========================================================= */

.intro-section {
    max-width: 900px;

    margin: auto;

    padding: 110px 30px 90px;

    text-align: center;
}

.intro-section h2 {
    margin-top: 18px;

    font-family: "Cinzel", serif;

    font-size: clamp(34px, 5vw, 52px);

    color: #e8d5ac;

    line-height: 1.25;
}

.intro-section h2 span {
    color: #c39a52;
}

.intro-section p:not(.section-label) {
    margin: 18px auto;

    max-width: 780px;

    color: #bfb08f;

    line-height: 2;
}


/* =========================================================
   FEATURED ARCHITECTURE
========================================================= */

.featured-architecture {
    width: 88%;
    max-width: 1250px;

    margin: 0 auto 120px;

    display: grid;

    grid-template-columns: 1fr 1fr;

    background: #211910;

    border: 1px solid #5f4b2e;

    overflow: hidden;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3);
}

.featured-image {
    min-height: 500px;

    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: 0.6s ease;
}

.featured-architecture:hover .featured-image img {
    transform: scale(1.04);
}

.featured-content {
    padding: 65px 55px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-content h2 {
    margin: 18px 0 25px;

    font-family: "Cinzel", serif;

    font-size: 40px;

    line-height: 1.3;

    color: #ead9b5;
}

.featured-content h2 span {
    color: #c39a52;
}

.featured-content > p:not(.section-label) {
    margin-bottom: 18px;

    color: #b8a98a;

    font-size: 14px;

    line-height: 1.9;
}

.featured-stats {
    margin-top: 25px;

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    border-top: 1px solid #5f4b2e;
    border-left: 1px solid #5f4b2e;
}

.featured-stats div {
    padding: 18px;

    border-right: 1px solid #5f4b2e;
    border-bottom: 1px solid #5f4b2e;
}

.featured-stats strong {
    display: block;

    margin-bottom: 4px;

    color: #c7a45d;

    font-family: "Cinzel", serif;

    font-size: 12px;

    letter-spacing: 2px;
}

.featured-stats small {
    color: #897b60;

    font-size: 11px;
}


/* =========================================================
   SECTION HEADINGS
========================================================= */

.section-heading {
    max-width: 900px;

    margin: auto;

    padding: 0 30px;

    text-align: center;
}

.section-heading h2 {
    margin-top: 15px;

    font-family: "Cinzel", serif;

    font-size: clamp(35px, 5vw, 55px);

    line-height: 1.2;

    color: #e8d5ac;
}


/* =========================================================
   ARCHITECTURAL TIMELINE
========================================================= */

.architecture-timeline {
    padding: 110px 20px;

    background: #0f0c09;

    border-top: 1px solid #4c3a23;
    border-bottom: 1px solid #4c3a23;
}

.timeline {
    width: 90%;
    max-width: 1000px;

    margin: 70px auto 0;

    position: relative;
}

.timeline::before {
    content: "";

    position: absolute;

    left: 50%;

    top: 0;
    bottom: 0;

    width: 1px;

    background: #66502f;

    transform: translateX(-50%);
}

.timeline-item {
    width: 50%;

    position: relative;

    padding: 20px 45px;
}

.timeline-item:nth-child(odd) {
    text-align: right;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
}

.timeline-date {
    margin-bottom: 10px;

    color: #b08a4d;

    font-family: "Cinzel", serif;

    font-size: 12px;

    letter-spacing: 1px;
}

.timeline-card {
    padding: 28px;

    background: #211910;

    border: 1px solid #5f4b2e;

    transition: 0.3s ease;
}

.timeline-card:hover {
    transform: translateY(-5px);

    border-color: #b08a4d;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.3);
}

.timeline-card > span {
    display: block;

    margin-bottom: 10px;

    color: #765c35;

    font-family: "Cinzel", serif;

    font-size: 12px;
}

.timeline-card h3 {
    margin-bottom: 12px;

    color: #d7b56d;

    font-family: "Cinzel", serif;

    font-size: 21px;
}

.timeline-card p {
    color: #aa9b7b;

    font-size: 13px;

    line-height: 1.8;
}


/* =========================================================
   ERA SECTIONS
========================================================= */

.architecture-era {
    padding: 120px 5%;

    border-bottom: 1px solid #4c3a23;
}

.indus-era {
    background: #17120d;
}

.south-india {
    background: #1b150f;
}

.north-india {
    background: #17120d;
}

.indo-islamic {
    background: #1b150f;
}

.mughal-era {
    background: #17120d;
}

.era-header {
    max-width: 950px;

    margin: auto;

    text-align: center;
}

.era-header h2 {
    margin: 15px 0;

    font-family: "Cinzel", serif;

    font-size: clamp(35px, 5vw, 58px);

    line-height: 1.2;

    color: #e8d5ac;
}

.era-header h2 span {
    color: #c39a52;
}

.era-header > p:not(.section-label):not(.era-date) {
    max-width: 800px;

    margin: 20px auto;

    color: #a99b7e;

    font-size: 14px;

    line-height: 2;
}

.era-date {
    color: #927143;

    font-family: "Cinzel", serif;

    font-size: 13px;

    letter-spacing: 2px;
}


/* =========================================================
   INFORMATION CARDS
========================================================= */

.content-grid {
    width: 90%;
    max-width: 1200px;

    margin: 65px auto 0;

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 22px;
}

.info-card {
    position: relative;

    padding: 35px 30px;

    background: #211910;

    border: 1px solid #5f4b2e;

    transition: 0.35s ease;

    overflow: hidden;
}

.info-card::before {
    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 0;
    height: 2px;

    background: #b08a4d;

    transition: 0.35s ease;
}

.info-card:hover {
    transform: translateY(-7px);

    border-color: #9a7845;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.28);
}

.info-card:hover::before {
    width: 100%;
}

.info-card.large {
    grid-column: span 2;
}

.card-number {
    display: block;

    margin-bottom: 10px;

    color: #765c35;

    font-family: "Cinzel", serif;

    font-size: 12px;

    letter-spacing: 2px;
}

.card-icon {
    display: block;

    margin-bottom: 15px;

    font-size: 32px;
}

.info-card h3 {
    margin-bottom: 15px;

    color: #d7b56d;

    font-family: "Cinzel", serif;

    font-size: 22px;
}

.info-card p {
    margin-bottom: 13px;

    color: #a99b7e;

    font-size: 13px;

    line-height: 1.9;
}


/* =========================================================
   MASTERPIECE
========================================================= */

.masterpiece-section {
    min-height: 650px;

    padding: 120px 8%;

    display: flex;
    align-items: center;

    background:
        linear-gradient(
            rgba(15, 11, 7, 0.82),
            rgba(15, 11, 7, 0.96)
        ),
        url("../assets/images/indian-architecture.webp");

    background-size: cover;
    background-position: center;

    border-bottom: 1px solid #4c3a23;
}

.masterpiece-content {
    max-width: 850px;

    margin: auto;

    text-align: center;
}

.masterpiece-content h2 {
    margin: 18px 0 5px;

    font-family: "Cinzel", serif;

    font-size: clamp(42px, 6vw, 70px);

    color: #ead9b5;
}

.masterpiece-content h2 span {
    color: #c39a52;
}

.masterpiece-date {
    margin-bottom: 30px;

    color: #a17c48;

    font-family: "Cinzel", serif;

    font-size: 13px;

    letter-spacing: 2px;
}

.masterpiece-content > p:not(.section-label):not(.masterpiece-date) {
    max-width: 780px;

    margin: 15px auto;

    color: #c0b293;

    font-size: 14px;

    line-height: 2;
}

.masterpiece-facts {
    max-width: 750px;

    margin: 45px auto 0;

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    border-top: 1px solid #5f4b2e;
    border-left: 1px solid #5f4b2e;
}

.masterpiece-facts div {
    padding: 20px 12px;

    border-right: 1px solid #5f4b2e;
    border-bottom: 1px solid #5f4b2e;
}

.masterpiece-facts strong {
    display: block;

    margin-bottom: 5px;

    color: #a17c48;

    font-family: "Cinzel", serif;

    font-size: 10px;

    letter-spacing: 1px;
}

.masterpiece-facts span {
    color: #d3c09b;

    font-size: 12px;
}


/* =========================================================
   ENGINEERING
========================================================= */

.engineering-section {
    padding: 120px 5%;

    background: #0f0c09;

    border-bottom: 1px solid #4c3a23;
}

.engineering-grid {
    width: 90%;
    max-width: 1200px;

    margin: 65px auto 0;

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 22px;
}

.engineering-grid > div {
    padding: 35px 30px;

    background: #19140e;

    border: 1px solid #514028;

    transition: 0.3s ease;
}

.engineering-grid > div:hover {
    transform: translateY(-6px);

    border-color: #a17c48;
}

.engineering-grid span {
    display: block;

    margin-bottom: 15px;

    font-size: 30px;
}

.engineering-grid h3 {
    margin-bottom: 12px;

    color: #d7b56d;

    font-family: "Cinzel", serif;

    font-size: 20px;
}

.engineering-grid p {
    color: #9f9278;

    font-size: 13px;

    line-height: 1.9;
}


/* =========================================================
   LEGACY
========================================================= */

.legacy-section {
    padding: 120px 5%;

    background: #17120d;

    border-bottom: 1px solid #4c3a23;
}

.legacy-section .section-heading h2 span {
    color: #c39a52;
}

.legacy-grid {
    width: 90%;
    max-width: 1100px;

    margin: 65px auto 0;

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 25px;
}

.legacy-grid article {
    padding: 40px;

    background: #211910;

    border: 1px solid #5f4b2e;

    transition: 0.3s ease;
}

.legacy-grid article:hover {
    transform: translateY(-6px);

    border-color: #b08a4d;
}

.legacy-grid article > span {
    color: #80623a;

    font-family: "Cinzel", serif;

    font-size: 12px;

    letter-spacing: 2px;
}

.legacy-grid h3 {
    margin: 12px 0;

    color: #d7b56d;

    font-family: "Cinzel", serif;

    font-size: 22px;
}

.legacy-grid p {
    color: #a99b7e;

    font-size: 13px;

    line-height: 1.9;
}


/* =========================================================
   ENDING
========================================================= */

.architecture-ending {
    padding: 130px 30px;

    text-align: center;

    background:
        radial-gradient(
            circle at center,
            #211910 0%,
            #0b0907 70%
        );
}

.architecture-ending h2 {
    max-width: 900px;

    margin: 20px auto;

    font-family: "Cinzel", serif;

    font-size: clamp(38px, 6vw, 68px);

    line-height: 1.25;

    color: #ead9b5;
}

.architecture-ending h2 span {
    color: #c39a52;
}

.architecture-ending > p:not(.section-label) {
    max-width: 800px;

    margin: 18px auto;

    color: #a99b7e;

    font-size: 14px;

    line-height: 2;
}


/* =========================================================
   FOOTER
========================================================= */

footer {
    padding: 65px 20px;

    text-align: center;

    background: #0b0907;

    border-top: 1px solid #4c3a23;
}

.footer-logo {
    color: #c29a52;

    font-family: "Cinzel", serif;

    font-size: 18px;

    letter-spacing: 3px;
}

footer p {
    margin-top: 15px;

    color: #85775d;

    font-size: 13px;
}

.footer-line {
    width: 100px;
    height: 1px;

    margin: 25px auto;

    background: #725631;
}

.developer strong,
.powered strong {
    color: #c39a52;

    font-family: "Cinzel", serif;
}

.copyright {
    margin-top: 18px !important;

    color: #685d4b !important;

    font-size: 11px !important;

    letter-spacing: 1px;
}


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

@media (max-width: 1000px) {

    .navbar {
        padding: 20px 4%;

        flex-direction: column;

        gap: 20px;
    }

    .navbar nav {
        flex-wrap: wrap;

        justify-content: center;

        gap: 16px;
    }

    .featured-architecture {
        grid-template-columns: 1fr;
    }

    .featured-image {
        min-height: 400px;
    }

    .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-card.large {
        grid-column: span 2;
    }

    .engineering-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .masterpiece-facts {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 750px) {

    .architecture-hero {
        min-height: 620px;
    }

    .architecture-hero h1 {
        letter-spacing: 4px;
    }

    .featured-content {
        padding: 45px 30px;
    }

    .timeline::before {
        left: 12px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;

        margin-left: 0;

        padding-left: 40px;

        text-align: left;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .info-card.large {
        grid-column: span 1;
    }

    .engineering-grid {
        grid-template-columns: 1fr;
    }

    .legacy-grid {
        grid-template-columns: 1fr;
    }
}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 500px) {

    .navbar {
        padding: 18px 15px;
    }

    .logo {
        font-size: 14px;
    }

    .logo-symbol {
        font-size: 22px;
    }

    .navbar nav {
        gap: 12px;
    }

    .navbar nav a {
        font-size: 10px;
    }

    .architecture-hero {
        min-height: 600px;
    }

    .hero-content {
        padding: 30px 20px;
    }

    .hero-label {
        font-size: 10px;

        letter-spacing: 3px;
    }

    .architecture-hero h1 {
        font-size: 43px;

        letter-spacing: 2px;
    }

    .hero-description {
        font-size: 13px;

        line-height: 1.8;
    }

    .intro-section,
    .architecture-era,
    .engineering-section,
    .legacy-section {
        padding-top: 80px;
        padding-bottom: 80px;
    }

    .featured-architecture {
        width: 94%;
    }

    .featured-image {
        min-height: 280px;
    }

    .featured-content {
        padding: 35px 22px;
    }

    .featured-content h2 {
        font-size: 30px;
    }

    .featured-stats {
        grid-template-columns: 1fr;
    }

    .timeline {
        width: 100%;
    }

    .timeline-item {
        padding-right: 0;
    }

    .timeline-card {
        padding: 22px;
    }

    .masterpiece-section {
        padding: 90px 20px;
    }

    .masterpiece-facts {
        grid-template-columns: 1fr 1fr;
    }

    .legacy-grid article {
        padding: 30px 25px;
    }

    .architecture-ending {
        padding: 90px 20px;
    }

    .architecture-ending h2 {
        font-size: 37px;
    }

}

/* =========================================================
   EDUCATIONAL DISCLAIMER
   ========================================================= */

.disclaimer-section {
    padding: 90px 6%;

    background:
        linear-gradient(
            180deg,
            #0b0a08,
            #11100c
        );

    border-top: 1px solid #3d3020;
}


.disclaimer-card {
    max-width: 950px;

    margin: auto;

    padding: 45px 50px;

    background:
        linear-gradient(
            145deg,
            #19160f,
            #100f0b
        );

    border: 1px solid #51432b;

    text-align: center;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.28);
}


.disclaimer-label {
    font-family: "Cinzel", serif;

    font-size: 10px;

    letter-spacing: 4px;

    color: #a98248;
}


.disclaimer-card h2 {
    margin: 14px 0 22px;

    font-family: "Cinzel", serif;

    font-size: 27px;

    color: #ddc99a;
}


.disclaimer-card p {
    max-width: 800px;

    margin: 0 auto 18px;

    color: #958a76;

    font-size: 12px;

    line-height: 1.9;
}


.disclaimer-card .disclaimer-note {
    margin-top: 25px;

    padding-top: 20px;

    border-top: 1px solid #403522;

    color: #b49a68;

    font-size: 11px;
}


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

@media (max-width: 700px) {

    .disclaimer-section {
        padding: 65px 5%;
    }

    .disclaimer-card {
        padding: 32px 22px;
    }

    .disclaimer-card h2 {
        font-size: 22px;
    }

    .disclaimer-card p {
        font-size: 11px;
    }
}