/* =====================================================
   VAIBHAV PORTFOLIO
===================================================== */


/* =====================================================
   COLORS
===================================================== */

:root {

    --bg: #f7f6f2;

    --navy: #182536;

    --blue: #496987;

    --muted: #69737e;

    --line: #d8d7d1;

    --soft: #eeece6;

    --white: #ffffff;

    --container: 1100px;
}


/* =====================================================
   DARK MODE COLORS
===================================================== */

body.dark-mode {

    --bg: #171717;

    --navy: #d8d8d4;

    --blue: #8295a8;

    --muted: #949494;

    --line: #2b2b2b;

    --soft: #202020;

    --white: #171717;
}


/* =====================================================
   RESET
===================================================== */

* {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;

    scroll-padding-top: 85px;
}


body {
    background: var(--bg);

    color: var(--navy);

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    line-height: 1.5;

    overflow-x: hidden;
}


body.menu-open {
    overflow: hidden;
}


a {
    color: inherit;

    text-decoration: none;
}


button {
    font-family: inherit;
}


/* =====================================================
   CONTAINER
===================================================== */

.container {
    width: min(
        var(--container),
        90%
    );

    margin: 0 auto;
}


/* =====================================================
   NAVBAR
===================================================== */

.navbar {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    height: 76px;

    background: var(--bg);

    border-bottom:
        1px solid transparent;

    z-index: 100;

    transition:
        height 0.2s ease,
        border-color 0.2s ease;
}


.navbar.scrolled {
    height: 68px;

    border-color: var(--line);
}


.nav-container {
    width: min(
        var(--container),
        90%
    );

    height: 100%;

    margin: auto;

    display: flex;

    align-items: center;

    justify-content: space-between;
}


.logo {
    font-size: 21px;

    font-weight: 700;

    letter-spacing: -0.7px;
}


.logo:hover {
    color: var(--blue);
}


.nav-menu {
    display: flex;

    align-items: center;

    gap: 28px;
}


.nav-link {
    position: relative;

    color: var(--muted);

    font-size: 13px;

    transition:
        color 0.2s ease;
}


.nav-link:hover,
.nav-link.active {
    color: var(--navy);
}


.nav-link::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -6px;

    width: 0;
    height: 1px;

    background: var(--blue);

    transition:
        width 0.2s ease;
}


.nav-link.active::after {
    width: 100%;
}


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

.menu-button {
    display: none;

    width: 40px;
    height: 40px;

    border: none;

    background: transparent;

    cursor: pointer;

    position: relative;

    z-index: 200;
}


.menu-button span {
    position: absolute;

    left: 10px;

    width: 20px;
    height: 1px;

    background: var(--navy);

    transition:
        transform 0.2s ease;
}


.menu-button span:first-child {
    top: 16px;
}


.menu-button span:last-child {
    top: 23px;
}


.menu-button.open span:first-child {
    transform:
        translateY(3.5px)
        rotate(45deg);
}


.menu-button.open span:last-child {
    transform:
        translateY(-3.5px)
        rotate(-45deg);
}


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

.home-hero {
    min-height: 88vh;

    padding-top: 76px;

    display: flex;

    align-items: center;
}


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

    color: var(--blue);

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 1.7px;
}


.hero-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 1.4fr)
        minmax(260px, 0.6fr);

    gap: 70px;

    align-items: end;
}


.hero-title h1 {
    font-size:
        clamp(58px, 8vw, 100px);

    line-height: 0.92;

    letter-spacing: -6px;

    font-weight: 700;
}


.hero-info {
    padding-bottom: 8px;
}


.hero-info p {
    max-width: 430px;

    color: var(--muted);

    font-size: 16px;

    line-height: 1.65;
}


.hero-buttons {
    display: flex;

    gap: 10px;

    margin-top: 25px;
}


.button {
    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 43px;

    padding: 0 17px;

    border: 1px solid var(--navy);

    font-size: 12px;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}


.button:hover {
    transform: translateY(-2px);
}


.button.primary {
    background: var(--navy);

    color: var(--white);
}


.button.primary:hover {
    background: var(--blue);

    border-color: var(--blue);
}


.button.secondary {
    background: transparent;
}


.button.secondary:hover {
    background: var(--soft);
}


.hero-bottom {
    margin-top: 80px;

    padding-top: 18px;

    border-top: 1px solid var(--line);

    display: flex;

    justify-content: space-between;

    color: var(--muted);

    font-size: 11px;
}


.hero-bottom a:hover {
    color: var(--blue);
}


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

.section {
    padding: 90px 0;

    border-top: 1px solid var(--line);
}


.section-heading-row {
    display: flex;

    align-items: flex-end;

    justify-content: space-between;
}


.section-label {
    margin-bottom: 15px;

    color: var(--blue);

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 1.6px;
}


.section h2 {
    font-size: 46px;

    line-height: 1;

    letter-spacing: -2.5px;
}


/* =====================================================
   LINKS
===================================================== */

.outline-link {
    padding: 11px 15px;

    border: 1px solid var(--navy);

    font-size: 12px;

    transition:
        background 0.2s ease,
        color 0.2s ease;
}


.outline-link:hover {
    background: var(--navy);

    color: var(--white);
}


.text-link {
    display: inline-block;

    margin-top: 18px;

    color: var(--blue);

    font-size: 12px;

    text-decoration: underline;

    text-underline-offset: 5px;
}


.text-link:hover {
    color: var(--navy);
}


/* =====================================================
   PROJECT LIST
===================================================== */

.project-list {
    margin-top: 42px;
}


.project-row {
    display: grid;

    grid-template-columns:
        55px
        minmax(0, 1fr)
        130px;

    gap: 25px;

    padding: 27px 0;

    border-top: 1px solid var(--line);

    transition:
        padding-left 0.2s ease;
}


.project-row:last-child {
    border-bottom: 1px solid var(--line);
}


.project-row:hover {
    padding-left: 7px;
}


.project-number {
    color: var(--blue);

    font-size: 12px;
}


.project-details h3 {
    margin-bottom: 5px;

    font-size: 22px;

    letter-spacing: -0.6px;
}


.project-details p {
    max-width: 620px;

    color: var(--muted);

    font-size: 14px;
}


.tags {
    display: flex;

    flex-wrap: wrap;

    gap: 6px;

    margin-top: 13px;
}


.tags span {
    padding: 4px 8px;

    border: 1px solid var(--line);

    background: var(--soft);

    color: var(--muted);

    font-size: 10px;
}


.project-arrow {
    align-self: center;

    color: var(--muted);

    font-size: 12px;

    text-decoration: underline;

    text-underline-offset: 5px;

    white-space: nowrap;
}


.project-arrow:hover {
    color: var(--blue);
}


/* =====================================================
   HOME ABOUT
===================================================== */

.home-about {
    padding: 90px 0;

    background: var(--soft);
}


.about-preview {
    display: grid;

    grid-template-columns:
        1.3fr
        0.7fr;

    gap: 100px;
}


.about-preview h2 {
    font-size: 50px;

    line-height: 0.98;

    letter-spacing: -2.5px;
}


.about-preview-text {
    padding-top: 32px;
}


.about-preview-text p {
    color: var(--muted);

    font-size: 16px;

    line-height: 1.65;
}


/* =====================================================
   HOME CONTACT
===================================================== */

.home-contact {
    padding: 120px 0;

    border-top: 1px solid var(--line);
}


.home-contact h2 {
    font-size:
        clamp(55px, 8vw, 90px);

    line-height: 0.93;

    letter-spacing: -5px;
}


.home-contact .button {
    margin-top: 28px;
}


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

footer {
    border-top: 1px solid var(--line);
}


.footer-inner {
    min-height: 75px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    color: var(--muted);

    font-size: 11px;
}


.footer-links {
    display: flex;

    gap: 20px;
}


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


/* =====================================================
   PAGE HEADER
===================================================== */

.page-header {
    padding-top: 160px;

    padding-bottom: 65px;
}


.page-header h1 {
    font-size:
        clamp(55px, 8vw, 90px);

    line-height: 0.95;

    letter-spacing: -5px;
}


.page-header-row {
    display: flex;

    align-items: flex-end;

    justify-content: space-between;

    gap: 50px;
}


.page-header-row > div:first-child {
    max-width: 650px;
}


.page-header-row p:not(.section-label) {
    margin-top: 20px;

    color: var(--muted);

    font-size: 16px;
}


/* =====================================================
   PROJECT PAGE
===================================================== */

.all-projects {
    padding-bottom: 100px;
}


.filters {
    display: flex;

    gap: 5px;
}


.filter {
    padding: 7px 11px;

    border: 1px solid transparent;

    background: transparent;

    color: var(--muted);

    font-size: 11px;

    cursor: pointer;
}


.filter:hover,
.filter.active {
    border-color: var(--line);

    color: var(--navy);
}


.project-grid {
    display: grid;

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

    gap: 55px 30px;
}


/* Project card */

.project-card {
    border-bottom: 1px solid var(--line);

    padding-bottom: 28px;
}


/* Project image */

.project-image {
    height: 270px;

    display: flex;

    align-items: flex-end;

    padding: 20px;

    margin-bottom: 22px;

    color: var(--white);

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.4px;
}


/*
   These are deliberately simple color blocks.
   Replace them later with actual project screenshots.
*/

.image-one {
    background: var(--navy);
}


.image-two {
    background: var(--blue);
}


.image-three {
    background: #26394d;
}


.image-four {
    background: #5b7793;
}


.project-card-top {
    display: flex;

    justify-content: space-between;

    gap: 20px;
}


.project-card-top h2 {
    font-size: 23px;

    letter-spacing: -0.7px;
}


.project-card-top > span {
    color: var(--blue);

    font-size: 12px;
}


.project-card-content > p {
    max-width: 500px;

    margin-top: 8px;

    color: var(--muted);

    font-size: 14px;

    line-height: 1.6;
}


.project-card.hidden {
    display: none;
}


/* =====================================================
   ABOUT PAGE
===================================================== */

.about-header {
    padding-bottom: 80px;
}


.about-page {
    padding: 0 0 100px;

    border-top: 1px solid var(--line);
}


.about-page-grid {
    display: grid;

    grid-template-columns:
        1.4fr
        0.6fr;

    gap: 100px;

    padding-top: 75px;
}


.about-copy {
    max-width: 680px;
}


.about-copy p {
    margin-bottom: 23px;

    color: var(--muted);

    font-size: 16px;

    line-height: 1.7;
}


.about-copy .large-copy {
    color: var(--navy);

    font-size: 25px;

    line-height: 1.5;
}


.about-side {
    border-left: 1px solid var(--line);

    padding-left: 35px;
}


.side-block {
    margin-bottom: 42px;
}


.side-title {
    margin-bottom: 13px;

    color: var(--blue);

    font-size: 10px !important;

    font-weight: 700;

    letter-spacing: 1.5px;
}


.side-block p:not(.side-title) {
    margin-bottom: 5px;

    font-size: 13px;

    color: var(--navy);
}


.side-block .muted {
    color: var(--muted) !important;
}


/* Skills */

.skills-section {
    padding: 80px 0;

    background: var(--soft);

    border-top: 1px solid var(--line);
}


.big-skills {
    display: flex;

    flex-wrap: wrap;

    gap: 10px;
}


.big-skills span {
    padding: 10px 14px;

    border: 1px solid var(--line);

    background: var(--bg);

    font-size: 13px;
}


/* =====================================================
   CONTACT PAGE
===================================================== */

.contact-page {
    padding-top: 160px;

    padding-bottom: 110px;
}


.contact-page-grid {
    display: grid;

    grid-template-columns:
        1.4fr
        0.6fr;

    gap: 100px;

    align-items: end;
}


.contact-page h1 {
    font-size:
        clamp(58px, 8vw, 95px);

    line-height: 0.93;

    letter-spacing: -5px;
}


.contact-info {
    padding-bottom: 8px;
}


.contact-info > p {
    max-width: 380px;

    color: var(--muted);

    font-size: 16px;

    line-height: 1.65;
}


.contact-email {
    display: block;

    margin-top: 25px;

    color: var(--blue);

    font-size: 18px;

    text-decoration: underline;

    text-underline-offset: 5px;
}


.copy-button {
    margin-top: 16px;

    padding: 8px 11px;

    border: 1px solid var(--line);

    background: transparent;

    color: var(--muted);

    font-size: 11px;

    cursor: pointer;
}


.copy-button:hover {
    background: var(--soft);

    color: var(--navy);
}


.copy-button.copied {
    color: var(--blue);
}


/* Contact links */

.contact-links-section {
    padding-bottom: 100px;
}


.contact-link-row {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    padding: 23px 0;

    border-top: 1px solid var(--line);

    font-size: 14px;
}


.contact-link-row:last-child {
    border-bottom: 1px solid var(--line);
}


.contact-link-row span {
    color: var(--muted);
}


.contact-link-row a:hover {
    color: var(--blue);
}


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

@media (max-width: 850px) {

    .hero-grid {
        grid-template-columns: 1fr;

        gap: 35px;
    }


    .about-preview,
    .about-page-grid,
    .contact-page-grid {
        grid-template-columns: 1fr;

        gap: 50px;
    }


    .about-side {
        padding-left: 0;

        padding-top: 35px;

        border-left: none;

        border-top: 1px solid var(--line);
    }


    .project-grid {
        grid-template-columns: 1fr;

        gap: 45px;
    }

}


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

@media (max-width: 700px) {

    .theme-button {
    margin-left: auto;

    margin-right: 45px;

    width: 34px;
    height: 34px;
}

    .navbar {
        height: 68px;
    }


    .nav-container {
        width: 90%;
    }


    /* Mobile menu */

    .menu-button {
        display: block;
    }


    .nav-menu {
        position: fixed;

        inset: 0;

        width: 100%;
        height: 100vh;

        background: var(--bg);

        display: flex;

        flex-direction: column;

        align-items: center;

        justify-content: center;

        gap: 25px;

        opacity: 0;

        pointer-events: none;

        transition:
            opacity 0.2s ease;
    }


    .nav-menu.open {
        opacity: 1;

        pointer-events: auto;
    }


    .nav-link {
        font-size: 21px;
    }


    .nav-link::after {
        display: none;
    }


    /* Hero */

    .home-hero {
        min-height: auto;

        padding-top: 145px;

        padding-bottom: 65px;
    }


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

        line-height: 1.5;
    }


    .hero-title h1 {
        font-size:
            clamp(49px, 14vw, 73px);

        letter-spacing: -4px;
    }


    .hero-info p {
        font-size: 15px;
    }


    .hero-bottom {
        margin-top: 55px;
    }


    /* Sections */

    .section {
        padding: 75px 0;
    }


    .section-heading-row {
        display: block;
    }


    .section h2 {
        font-size: 38px;
    }


    .outline-link {
        display: inline-block;

        margin-top: 25px;
    }


    /* Projects */

    .project-list {
        margin-top: 30px;
    }


    .project-row {
        grid-template-columns:
            32px
            minmax(0, 1fr);

        gap: 13px;

        padding: 24px 0;
    }


    .project-row:hover {
        padding-left: 0;
    }


    .project-arrow {
        grid-column: 2;

        justify-self: start;

        margin-top: 3px;
    }


    /* Home about */

    .home-about {
        padding: 75px 0;
    }


    .about-preview h2 {
        font-size: 40px;
    }


    /* Contact */

    .home-contact {
        padding: 90px 0;
    }


    .home-contact h2 {
        font-size:
            clamp(52px, 14vw, 73px);

        letter-spacing: -4px;
    }


    /* Page header */

    .page-header {
        padding-top: 135px;

        padding-bottom: 55px;
    }


    .page-header h1 {
        font-size:
            clamp(52px, 14vw, 72px);

        letter-spacing: -4px;
    }


    .page-header-row {
        display: block;
    }


    .filters {
        margin-top: 28px;
    }


    /* Project page */

    .project-image {
        height: 210px;
    }


    /* About */

    .about-header {
        padding-bottom: 65px;
    }


    .about-page-grid {
        padding-top: 55px;
    }


    .about-copy .large-copy {
        font-size: 21px;
    }


    /* Contact */

    .contact-page {
        padding-top: 135px;

        padding-bottom: 80px;
    }


    .contact-page h1 {
        font-size:
            clamp(52px, 14vw, 73px);

        letter-spacing: -4px;
    }


    .contact-link-row {
        grid-template-columns: 1fr;

        gap: 6px;
    }


    /* Footer */

    .footer-inner {
        min-height: 100px;

        flex-direction: column;

        align-items: flex-start;

        justify-content: center;

        gap: 15px;
    }

}


/* =====================================================
   REDUCED MOTION
===================================================== */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }


    *,
    *::before,
    *::after {
        transition: none !important;
    }

}

/* =====================================================
   THEME BUTTON
===================================================== */

.theme-button {
    width: 36px;
    height: 36px;

    margin-left: 25px;

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

    border: 1px solid var(--line);

    background: transparent;

    color: var(--navy);

    cursor: pointer;

    font-size: 17px;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}


.theme-button:hover {
    background: var(--soft);

    transform: translateY(-1px);
}


.theme-icon {
    line-height: 1;

    transition:
        transform 0.25s ease;
}


.theme-button:hover .theme-icon {
    transform: rotate(15deg);
}