/* ============================================
   Paolo Moro — Personal Site
   Aesthetic: Executive / Dark Refined
   ============================================ */

:root {
    --color-bg: #09090b;
    --color-surface: #111115;
    --color-surface-hover: #18181d;
    --color-text: #ece9e3;
    --color-text-muted: #8a867e;
    --color-text-secondary: #bbb7b0;
    --color-accent: #2d6a4f;
    --color-accent-light: #3a8a66;
    --color-accent-dim: rgba(45,106,79,.1);
    --color-border: #222228;
    --color-border-muted: #1a1a1f;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', 'Segoe UI', sans-serif;
    --max-width: 1080px;
    --radius: 10px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16.5px;
    line-height: 1.75;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* Top accent line */
body::before {
    content: '';
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent) 40%, transparent);
    opacity: .5;
    z-index: 2000;
    pointer-events: none;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-light); }

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

/* ---- Scroll Reveal ---- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .75s ease, transform .75s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .22s; }
.reveal-delay-3 { transition-delay: .34s; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(9,9,11,.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition);
}
.navbar.scrolled {
    background: rgba(9,9,11,.94);
    border-bottom-color: var(--color-border);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: .01em;
}
.nav-logo:hover { color: var(--color-text); opacity: .8; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}
.nav-links a {
    font-size: .78rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: .08em;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 0; height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span {
    display: block; width: 22px; height: 1.5px;
    background: var(--color-text); margin: 5px 0;
    transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 32px 100px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -30%; left: 0; right: 0;
    height: 120%;
    background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(45,106,79,.07) 0%, transparent 65%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 180px;
    background: linear-gradient(to top, var(--color-bg), transparent);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }

.hero-label {
    display: inline-block;
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .22em;
    color: var(--color-accent-light);
    margin-bottom: 32px;
    animation: fadeInDown .7s ease both;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 400;
    letter-spacing: -.025em;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp .7s ease .12s both;
}

.hero-subtitle {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 640px;
    margin: 0 auto 48px;
    animation: fadeInUp .7s ease .24s both;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    animation: fadeInUp .7s ease .36s both;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 6px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary {
    background: var(--color-accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-accent-light);
    color: #fff;
    box-shadow: 0 6px 24px rgba(45,106,79,.3);
    transform: translateY(-1px);
}
.btn-ghost {
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    background: transparent;
}
.btn-ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
    transform: translateY(-1px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2.5s infinite 2s;
}
.scroll-indicator span {
    display: block;
    width: 1px; height: 44px;
    background: linear-gradient(to bottom, rgba(45,106,79,.6), transparent);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 110px 0;
    position: relative;
}
.section + .section {
    border-top: 1px solid var(--color-border-muted);
}

.section-label {
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .22em;
    color: var(--color-accent);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-label::before {
    content: '';
    display: block;
    width: 24px; height: 1px;
    background: var(--color-accent);
    opacity: .6;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 400;
    line-height: 1.25;
    margin-bottom: 28px;
    letter-spacing: -.01em;
}
.section-text {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    max-width: 660px;
    line-height: 1.85;
}

/* ============================================
   SKILLS CARDS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 64px;
}
.skill-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 44px 40px;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    position: relative;
}
.skill-card:hover {
    border-color: rgba(45,106,79,.25);
    box-shadow: 0 0 0 1px rgba(45,106,79,.08), 0 16px 48px rgba(0,0,0,.4);
    transform: translateY(-3px);
}

.skill-icon {
    width: 42px; height: 42px;
    border-radius: 8px;
    background: var(--color-accent-dim);
    border: 1px solid rgba(45,106,79,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    color: var(--color-accent);
}

.skill-tag {
    font-size: .65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .16em;
    color: var(--color-accent);
    margin-bottom: 12px;
}
.skill-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 16px;
    line-height: 1.4;
    color: var(--color-text);
}
.skill-card p {
    color: var(--color-text-muted);
    font-size: .9rem;
    line-height: 1.8;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 110px 0;
    text-align: center;
    position: relative;
}
.contact-section::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 280px;
    background: radial-gradient(ellipse 50% 70% at 50% 100%, rgba(45,106,79,.04) 0%, transparent 70%);
    pointer-events: none;
}

.contact-inner {
    position: relative;
    z-index: 1;
    max-width: 580px;
    margin: 0 auto;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
    margin-top: 44px;
    text-align: left;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: .95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #4a4845;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(45,106,79,.5);
    box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.form-group textarea { min-height: 150px; resize: vertical; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 24px 0 28px;
}
.form-consent input[type="checkbox"] {
    width: 16px; height: 16px;
    margin-top: 3px;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}
.form-consent label {
    font-size: .8rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    text-transform: none;
    letter-spacing: 0;
}

.form-submit {
    text-align: center;
}
.form-msg {
    margin-bottom: 16px;
    font-size: .88rem;
    text-align: center;
    padding: 12px 16px;
    border-radius: 6px;
}
.form-msg.success {
    color: #6ecf8e;
    background: rgba(110,207,142,.06);
    border: 1px solid rgba(110,207,142,.15);
}
.form-msg.error {
    color: #e67373;
    background: rgba(230,115,115,.06);
    border: 1px solid rgba(230,115,115,.15);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--color-border-muted);
}
.site-footer p {
    font-size: .8rem;
    color: var(--color-text-muted);
    letter-spacing: .02em;
}
.footer-links {
    margin-top: 10px;
    font-size: .8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-text); }
.footer-sep { color: var(--color-border); margin: 0 12px; }

/* ============================================
   PRIVACY PAGE
   ============================================ */
.privacy-page {
    padding: 148px 32px 100px;
    max-width: 720px;
    margin: 0 auto;
}
.privacy-page h1 {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: -.015em;
}
.privacy-page .last-updated {
    font-size: .85rem;
    color: var(--color-text-muted);
    margin-bottom: 56px;
    letter-spacing: .04em;
}
.privacy-page h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    margin-top: 44px;
    margin-bottom: 16px;
    color: var(--color-text);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border-muted);
}
.privacy-page p,
.privacy-page li {
    color: var(--color-text-secondary);
    font-size: .95rem;
    line-height: 1.8;
}
.privacy-page p + p { margin-top: 12px; }
.privacy-page ul {
    list-style: none;
    padding-left: 0;
    margin: 14px 0;
}
.privacy-page ul li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
}
.privacy-page ul li::before {
    content: '';
    position: absolute;
    left: 0; top: 12px;
    width: 5px; height: 1px;
    background: var(--color-accent);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed;
        top: 72px; left: 0; right: 0;
        background: rgba(9,9,11,.97);
        backdrop-filter: blur(24px);
        flex-direction: column;
        gap: 0;
        padding: 8px 0;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-110%);
        transition: transform var(--transition);
    }
    .nav-links.open { transform: translateY(0); }
    .nav-links li { width: 100%; }
    .nav-links a { display: block; padding: 14px 32px; }
    .nav-links a::after { display: none; }

    .hero { min-height: auto; padding: 140px 20px 90px; }
    .hero-subtitle { font-size: 1rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .skill-card { padding: 32px 28px; }
    .section { padding: 80px 0; }
    .scroll-indicator { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .privacy-page { padding: 120px 20px 80px; }
}