/* ===========================
   Magnoveil — Portfolio
   Clean, minimal, modern
   =========================== */

:root {
    --color-bg: #fafafa;
    --color-bg-dark: #0e0b1a;
    --color-text: #1a1a1a;
    --color-text-light: #6b6b6b;
    --color-text-inv: #f0f0f0;
    --color-text-inv-light: #9a9a9a;
    --color-accent: #7F77DD;
    --color-accent-light: #AFA9EC;
    --color-accent-soft: #CECBF6;
    --color-accent-deep: #534AB7;
    --color-accent-dark: #26215C;
    --color-border: #e0e0e0;
    --color-border-dark: #1e1a30;
    --color-card: #ffffff;
    --color-card-dark: #13102a;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s var(--ease);
}

a:hover { opacity: 0.7; }

ul { list-style: none; }

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===========================
   Navigation
   =========================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s var(--ease);
}

.nav--scrolled {
    background: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.nav__container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo:hover { opacity: 1; }

.nav__logo-img {
    height: 48px;
    width: auto;
    transition: height 0.4s var(--ease);
}

.nav--scrolled .nav__logo-img {
    height: 38px;
}

.nav__menu {
    display: flex;
    gap: 2.5rem;
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s var(--ease);
}

.nav__link:hover { opacity: 1; }
.nav__link:hover::after { width: 100%; }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle span {
    width: 24px;
    height: 1.5px;
    background: var(--color-text);
    transition: all 0.3s var(--ease);
}

/* ===========================
   Hero
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
}

.hero__container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero__tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero__title--accent {
    color: var(--color-accent);
}

.hero__subtitle {
    max-width: 480px;
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

.hero__scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 1.2s forwards;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s var(--ease) infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

.btn--primary {
    background: var(--color-accent-deep);
    color: #fff;
}

.btn--primary:hover {
    opacity: 1;
    background: var(--color-accent);
}

.btn--ghost {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn--ghost:hover {
    opacity: 1;
    background: var(--color-accent-deep);
    color: #fff;
    border-color: var(--color-accent-deep);
}

.btn--full { width: 100%; }

/* ===========================
   Sections
   =========================== */
.section {
    padding: 7rem 0;
}

.section--dark {
    background: var(--color-bg-dark);
    color: var(--color-text-inv);
}

.section__header {
    margin-bottom: 4rem;
}

.section__tag {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section--dark .section__tag {
    color: var(--color-accent-light);
}

.section__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    letter-spacing: -0.02em;
}

/* ===========================
   About
   =========================== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about__text {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-top: 0.5rem;
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--color-accent-deep);
}

.stat__label {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

/* ===========================
   Services
   =========================== */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--color-card-dark);
    padding: 2.5rem;
    border: 1px solid var(--color-border-dark);
    transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.service-card:hover {
    border-color: var(--color-accent-dark);
    transform: translateY(-4px);
}

.service-card__icon {
    color: var(--color-accent-light);
    margin-bottom: 1.5rem;
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.service-card__desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-inv-light);
    line-height: 1.7;
}

/* ===========================
   Projects
   =========================== */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.project-card:hover {
    border-color: #bbb;
    transform: translateY(-4px);
}

.project-card__inner {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
    padding: 2rem;
}

.project-card__badge {
    display: inline-block;
    width: fit-content;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.35rem 0.8rem;
    border: 1px solid var(--color-accent-soft);
    margin-bottom: 1rem;
    color: var(--color-accent-deep);
}

.project-card__title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.project-card__desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* ===========================
   Contact
   =========================== */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact__text {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--color-text-inv-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--color-text-inv-light);
    transition: color 0.3s var(--ease);
}

.contact__link:hover {
    opacity: 1;
    color: var(--color-text-inv);
}

.form__group {
    margin-bottom: 1rem;
}

.form__input {
    width: 100%;
    padding: 1rem;
    background: var(--color-card-dark);
    border: 1px solid var(--color-border-dark);
    color: var(--color-text-inv);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    transition: border-color 0.3s var(--ease);
    outline: none;
}

.form__input::placeholder {
    color: var(--color-text-inv-light);
}

.form__input:focus {
    border-color: var(--color-accent-dark);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.section--dark .btn--primary {
    background: var(--color-accent);
    color: #fff;
}

.section--dark .btn--primary:hover {
    background: var(--color-accent-light);
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
}

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

.footer__logo {
    display: flex;
    align-items: center;
}

.footer__logo-img {
    height: 30px;
    width: auto;
}

.footer__copy {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ===========================
   Responsive
   =========================== */
@media (max-width: 900px) {
    .about__grid,
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services__grid,
    .projects__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.4s var(--ease-out);
        border-left: 1px solid var(--color-border);
    }

    .nav__menu--open {
        right: 0;
    }

    .nav__toggle {
        display: flex;
        z-index: 1001;
    }

    .nav__toggle--active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .nav__toggle--active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle--active span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    .nav__logo-img {
        height: 40px;
    }

    .nav--scrolled .nav__logo-img {
        height: 32px;
    }

    .nav__link {
        font-size: 1.1rem;
    }

    .services__grid,
    .projects__grid {
        grid-template-columns: 1fr;
    }

    .hero__title {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .section {
        padding: 5rem 0;
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .footer__inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}